[188663.259942]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188663.259970] CPU: 7 PID: 831234 Comm: obs Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188663.259972] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188663.259978] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188663.259980] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188663.259981] RSP: 0018:ffff9f92c3b1fc70 EFLAGS: 00010293
[188663.259983] RAX: 0000000000000000 RBX: ffff9f92c3b1fd88 RCX: 0000000000000000
[188663.259984] RDX: 0000000085008003 RSI: 0000000000000000 RDI: 0000000000000000
[188663.259986] RBP: ffff9f92c3b1fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188663.259987] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188663.259988] R13: ffff8f04a18d4c00 R14: ffff8f061a45ab00 R15: ffffffffc2d8c380
[188663.259990] FS:  00007efd6edf1140(0000) GS:ffff8f0a7ebc0000(0000) knlGS:0000000000000000
[188663.259991] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188663.259993] CR2: 00007fce5eaa5000 CR3: 00000007ba94e002 CR4: 00000000001606e0
[188663.259994] Call Trace:
[188663.260002]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188663.260009]  video_usercopy+0x2b5/0x670 [videodev]
[188663.260014]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188663.260020]  video_ioctl2+0x15/0x20 [videodev]
[188663.260025]  v4l2_ioctl+0x4c/0x60 [videodev]
[188663.260028]  do_vfs_ioctl+0x407/0x670
[188663.260031]  ? putname+0x4a/0x50
[188663.260033]  ksys_ioctl+0x67/0x90
[188663.260034]  __x64_sys_ioctl+0x1a/0x20
[188663.260037]  do_syscall_64+0x57/0x190
[188663.260041]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188663.260043] RIP: 0033:0x7efd77a2550b
[188663.260045] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[188663.260046] RSP: 002b:00007ffe44677f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[188663.260048] RAX: ffffffffffffffda RBX: 000055829071e3c0 RCX: 00007efd77a2550b
[188663.260049] RDX: 00007ffe44677f70 RSI: 0000000080685600 RDI: 0000000000000047
[188663.260051] RBP: 00007ffe446780c0 R08: 0000000000000000 R09: 0000000000000001
[188663.260052] R10: 00007efd34135b07 R11: 0000000000000202 R12: 0000000000000029
[188663.260053] R13: 00007efd3413f37c R14: 00007ffe44678370 R15: 00007efd783b7e28
[188663.260055] ---[ end trace df6fe33c3271d9f3 ]---
[188663.260072] ------------[ cut here ]------------
[188663.260079] WARNING: CPU: 7 PID: 831234 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188663.260080] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188663.260103]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188663.260123] CPU: 7 PID: 831234 Comm: obs Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188663.260124] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188663.260129] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188663.260131] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188663.260132] RSP: 0018:ffff9f92c3b1fc70 EFLAGS: 00010206
[188663.260134] RAX: 0000000000000000 RBX: ffff9f92c3b1fd88 RCX: 8520800085208000
[188663.260135] RDX: 0000000085008003 RSI: 0000000085008000 RDI: 0000000000000000
[188663.260136] RBP: ffff9f92c3b1fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188663.260137] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188663.260139] R13: ffff8f04a18d4c00 R14: ffff8f061a45ab00 R15: ffffffffc2d8c380
[188663.260140] FS:  00007efd6edf1140(0000) GS:ffff8f0a7ebc0000(0000) knlGS:0000000000000000
[188663.260141] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188663.260143] CR2: 00007fce5eaa5000 CR3: 00000007ba94e002 CR4: 00000000001606e0
[188663.260144] Call Trace:
[188663.260149]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188663.260155]  video_usercopy+0x2b5/0x670 [videodev]
[188663.260160]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188663.260166]  video_ioctl2+0x15/0x20 [videodev]
[188663.260170]  v4l2_ioctl+0x4c/0x60 [videodev]
[188663.260172]  do_vfs_ioctl+0x407/0x670
[188663.260174]  ? putname+0x4a/0x50
[188663.260176]  ksys_ioctl+0x67/0x90
[188663.260178]  __x64_sys_ioctl+0x1a/0x20
[188663.260180]  do_syscall_64+0x57/0x190
[188663.260182]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188663.260184] RIP: 0033:0x7efd77a2550b
[188663.260185] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[188663.260187] RSP: 002b:00007ffe44677f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
[188663.260188] RAX: ffffffffffffffda RBX: 000055829071e3c0 RCX: 00007efd77a2550b
[188663.260189] RDX: 00007ffe44677f70 RSI: 0000000080685600 RDI: 0000000000000047
[188663.260191] RBP: 00007ffe446780c0 R08: 0000000000000000 R09: 0000000000000001
[188663.260192] R10: 00007efd34135b07 R11: 0000000000000202 R12: 0000000000000029
[188663.260193] R13: 00007efd3413f37c R14: 00007ffe44678370 R15: 00007efd783b7e28
[188663.260195] ---[ end trace df6fe33c3271d9f4 ]---
[188669.555958] ------------[ cut here ]------------
[188669.555978] WARNING: CPU: 5 PID: 839328 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[188669.555980] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188669.556010]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188669.556033] CPU: 5 PID: 839328 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188669.556035] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188669.556041] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188669.556043] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188669.556044] RSP: 0018:ffff9f92cec2fc70 EFLAGS: 00010293
[188669.556045] RAX: 0000000000000000 RBX: ffff9f92cec2fd88 RCX: 0000000000000000
[188669.556047] RDX: 0000000085008003 RSI: 0000000000000001 RDI: 0000000000000000
[188669.556048] RBP: ffff9f92cec2fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188669.556049] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188669.556050] R13: ffff8f047be8db00 R14: ffff8f03f7424620 R15: ffffffffc2d8c380
[188669.556051] FS:  00007fce39977700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188669.556053] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188669.556054] CR2: 00003baa69562000 CR3: 00000002e21aa003 CR4: 00000000001606e0
[188669.556055] Call Trace:
[188669.556063]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188669.556067]  ? __switch_to_asm+0x34/0x70
[188669.556069]  ? __switch_to_asm+0x40/0x70
[188669.556071]  ? __switch_to_asm+0x34/0x70
[188669.556073]  ? syscall_return_via_sysret+0xf/0x7f
[188669.556075]  ? __switch_to_asm+0x34/0x70
[188669.556077]  ? __switch_to_asm+0x40/0x70
[188669.556078]  ? __switch_to_asm+0x34/0x70
[188669.556080]  ? __switch_to_asm+0x40/0x70
[188669.556085]  video_usercopy+0x2b5/0x670 [videodev]
[188669.556089]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188669.556092]  ? hrtimer_try_to_cancel+0x2c/0x110
[188669.556097]  video_ioctl2+0x15/0x20 [videodev]
[188669.556101]  v4l2_ioctl+0x4c/0x60 [videodev]
[188669.556104]  do_vfs_ioctl+0x407/0x670
[188669.556105]  ? hrtimer_nanosleep+0xc2/0x1a0
[188669.556107]  ksys_ioctl+0x67/0x90
[188669.556109]  __x64_sys_ioctl+0x1a/0x20
[188669.556112]  do_syscall_64+0x57/0x190
[188669.556114]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188669.556116] RIP: 0033:0x7fce69bae007
[188669.556117] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188669.556119] RSP: 002b:00007fce39974bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188669.556120] RAX: ffffffffffffffda RBX: 0000000000000060 RCX: 00007fce69bae007
[188669.556121] RDX: 00007fce39974e00 RSI: ffffffff80685600 RDI: 0000000000000060
[188669.556122] RBP: ffffffff80685600 R08: 0000000000000001 R09: 0000000000000030
[188669.556123] R10: fffffffffffb0cb0 R11: 0000000000000246 R12: 0000000000000060
[188669.556124] R13: 00007fce39974e00 R14: 0000000000000015 R15: 00007fce235558a3
[188669.556126] ---[ end trace df6fe33c3271d9f5 ]---
[188669.556145] ------------[ cut here ]------------
[188669.556150] WARNING: CPU: 5 PID: 839328 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188669.556151] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188669.556168]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188669.556184] CPU: 5 PID: 839328 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188669.556185] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188669.556190] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188669.556191] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188669.556192] RSP: 0018:ffff9f92cec2fc70 EFLAGS: 00010202
[188669.556194] RAX: 0000000000000000 RBX: ffff9f92cec2fd88 RCX: 8520800185208001
[188669.556195] RDX: 0000000085008003 RSI: 0000000085008001 RDI: 0000000000000000
[188669.556196] RBP: ffff9f92cec2fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188669.556197] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188669.556198] R13: ffff8f047be8db00 R14: ffff8f03f7424620 R15: ffffffffc2d8c380
[188669.556199] FS:  00007fce39977700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188669.556200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188669.556201] CR2: 00003baa69562000 CR3: 00000002e21aa003 CR4: 00000000001606e0
[188669.556202] Call Trace:
[188669.556207]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188669.556209]  ? __switch_to_asm+0x34/0x70
[188669.556211]  ? __switch_to_asm+0x40/0x70
[188669.556213]  ? __switch_to_asm+0x34/0x70
[188669.556215]  ? syscall_return_via_sysret+0xf/0x7f
[188669.556216]  ? __switch_to_asm+0x34/0x70
[188669.556218]  ? __switch_to_asm+0x40/0x70
[188669.556220]  ? __switch_to_asm+0x34/0x70
[188669.556221]  ? __switch_to_asm+0x40/0x70
[188669.556226]  video_usercopy+0x2b5/0x670 [videodev]
[188669.556230]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188669.556233]  ? hrtimer_try_to_cancel+0x2c/0x110
[188669.556237]  video_ioctl2+0x15/0x20 [videodev]
[188669.556241]  v4l2_ioctl+0x4c/0x60 [videodev]
[188669.556243]  do_vfs_ioctl+0x407/0x670
[188669.556244]  ? hrtimer_nanosleep+0xc2/0x1a0
[188669.556246]  ksys_ioctl+0x67/0x90
[188669.556247]  __x64_sys_ioctl+0x1a/0x20
[188669.556250]  do_syscall_64+0x57/0x190
[188669.556252]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188669.556253] RIP: 0033:0x7fce69bae007
[188669.556255] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188669.556256] RSP: 002b:00007fce39974bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188669.556257] RAX: ffffffffffffffda RBX: 0000000000000060 RCX: 00007fce69bae007
[188669.556258] RDX: 00007fce39974e00 RSI: ffffffff80685600 RDI: 0000000000000060
[188669.556259] RBP: ffffffff80685600 R08: 0000000000000001 R09: 0000000000000030
[188669.556260] R10: fffffffffffb0cb0 R11: 0000000000000246 R12: 0000000000000060
[188669.556261] R13: 00007fce39974e00 R14: 0000000000000015 R15: 00007fce235558a3
[188669.556263] ---[ end trace df6fe33c3271d9f6 ]---
[188669.556328] ------------[ cut here ]------------
[188669.556334] WARNING: CPU: 5 PID: 839328 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[188669.556335] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188669.556351]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188669.556368] CPU: 5 PID: 839328 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188669.556369] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188669.556373] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188669.556375] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188669.556376] RSP: 0018:ffff9f92cec2fc70 EFLAGS: 00010293
[188669.556377] RAX: 0000000000000000 RBX: ffff9f92cec2fd88 RCX: 0000000000000000
[188669.556378] RDX: 0000000085008003 RSI: 0000000000000001 RDI: 0000000000000000
[188669.556379] RBP: ffff9f92cec2fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188669.556380] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188669.556381] R13: ffff8f047be8db00 R14: ffff8f03f7424620 R15: ffffffffc2d8c380
[188669.556382] FS:  00007fce39977700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188669.556383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188669.556384] CR2: 00003baa69562000 CR3: 00000002e21aa003 CR4: 00000000001606e0
[188669.556385] Call Trace:
[188669.556390]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188669.556393]  ? ttwu_do_wakeup+0x1e/0x150
[188669.556398]  video_usercopy+0x2b5/0x670 [videodev]
[188669.556402]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188669.556407]  video_ioctl2+0x15/0x20 [videodev]
[188669.556411]  v4l2_ioctl+0x4c/0x60 [videodev]
[188669.556413]  do_vfs_ioctl+0x407/0x670
[188669.556416]  ? do_futex+0x19c/0x1e0
[188669.556418]  ksys_ioctl+0x67/0x90
[188669.556419]  __x64_sys_ioctl+0x1a/0x20
[188669.556422]  do_syscall_64+0x57/0x190
[188669.556424]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188669.556425] RIP: 0033:0x7fce69bae007
[188669.556427] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188669.556428] RSP: 002b:00007fce39974db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188669.556429] RAX: ffffffffffffffda RBX: 00007fcdac049710 RCX: 00007fce69bae007
[188669.556430] RDX: 00007fce39974e80 RSI: ffffffff80685600 RDI: 0000000000000060
[188669.556431] RBP: ffffffff80685600 R08: 0000000000000000 R09: 0000000000000000
[188669.556432] R10: 0000000000000048 R11: 0000000000000246 R12: 0000000000000060
[188669.556433] R13: 00007fce39974e80 R14: 0000000000000015 R15: 00007fce235558a3
[188669.556435] ---[ end trace df6fe33c3271d9f7 ]---
[188669.556452] ------------[ cut here ]------------
[188669.556456] WARNING: CPU: 5 PID: 839328 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188669.556457] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188669.556473]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188669.556488] CPU: 5 PID: 839328 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188669.556489] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188669.556493] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188669.556495] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188669.556496] RSP: 0018:ffff9f92cec2fc70 EFLAGS: 00010202
[188669.556497] RAX: 0000000000000000 RBX: ffff9f92cec2fd88 RCX: 8520800185208001
[188669.556498] RDX: 0000000085008003 RSI: 0000000085008001 RDI: 0000000000000000
[188669.556499] RBP: ffff9f92cec2fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188669.556500] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188669.556501] R13: ffff8f047be8db00 R14: ffff8f03f7424620 R15: ffffffffc2d8c380
[188669.556502] FS:  00007fce39977700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188669.556503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188669.556504] CR2: 00003baa69562000 CR3: 00000002e21aa003 CR4: 00000000001606e0
[188669.556505] Call Trace:
[188669.556510]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188669.556512]  ? ttwu_do_wakeup+0x1e/0x150
[188669.556517]  video_usercopy+0x2b5/0x670 [videodev]
[188669.556521]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188669.556526]  video_ioctl2+0x15/0x20 [videodev]
[188669.556530]  v4l2_ioctl+0x4c/0x60 [videodev]
[188669.556532]  do_vfs_ioctl+0x407/0x670
[188669.556534]  ? do_futex+0x19c/0x1e0
[188669.556536]  ksys_ioctl+0x67/0x90
[188669.556537]  __x64_sys_ioctl+0x1a/0x20
[188669.556539]  do_syscall_64+0x57/0x190
[188669.556542]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188669.556543] RIP: 0033:0x7fce69bae007
[188669.556544] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188669.556545] RSP: 002b:00007fce39974db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188669.556546] RAX: ffffffffffffffda RBX: 00007fcdac049710 RCX: 00007fce69bae007
[188669.556547] RDX: 00007fce39974e80 RSI: ffffffff80685600 RDI: 0000000000000060
[188669.556548] RBP: ffffffff80685600 R08: 0000000000000000 R09: 0000000000000000
[188669.556549] R10: 0000000000000048 R11: 0000000000000246 R12: 0000000000000060
[188669.556550] R13: 00007fce39974e80 R14: 0000000000000015 R15: 00007fce235558a3
[188669.556552] ---[ end trace df6fe33c3271d9f8 ]---
[188815.096391] ------------[ cut here ]------------
[188815.096404] WARNING: CPU: 5 PID: 842484 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[188815.096405] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188815.096423]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188815.096443] CPU: 5 PID: 842484 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188815.096444] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188815.096450] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188815.096451] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188815.096452] RSP: 0018:ffff9f92ce42fc70 EFLAGS: 00010293
[188815.096453] RAX: 0000000000000000 RBX: ffff9f92ce42fd88 RCX: 0000000000000000
[188815.096454] RDX: 0000000085008003 RSI: 0000000000000001 RDI: 0000000000000000
[188815.096455] RBP: ffff9f92ce42fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188815.096455] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188815.096456] R13: ffff8f0a02d52900 R14: ffff8f065e514120 R15: ffffffffc2d8c380
[188815.096457] FS:  00007fce39176700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188815.096458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188815.096459] CR2: 000000000251c1b8 CR3: 00000002e21aa001 CR4: 00000000001606e0
[188815.096460] Call Trace:
[188815.096466]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188815.096470]  ? __switch_to_asm+0x34/0x70
[188815.096472]  ? __switch_to_asm+0x40/0x70
[188815.096473]  ? __switch_to_asm+0x34/0x70
[188815.096475]  ? syscall_return_via_sysret+0xf/0x7f
[188815.096477]  ? __switch_to_asm+0x34/0x70
[188815.096478]  ? __switch_to_asm+0x40/0x70
[188815.096479]  ? __switch_to_asm+0x34/0x70
[188815.096480]  ? __switch_to_asm+0x40/0x70
[188815.096485]  video_usercopy+0x2b5/0x670 [videodev]
[188815.096488]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188815.096491]  ? hrtimer_try_to_cancel+0x2c/0x110
[188815.096494]  video_ioctl2+0x15/0x20 [videodev]
[188815.096498]  v4l2_ioctl+0x4c/0x60 [videodev]
[188815.096500]  do_vfs_ioctl+0x407/0x670
[188815.096501]  ? hrtimer_nanosleep+0xc2/0x1a0
[188815.096502]  ksys_ioctl+0x67/0x90
[188815.096504]  __x64_sys_ioctl+0x1a/0x20
[188815.096506]  do_syscall_64+0x57/0x190
[188815.096508]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188815.096509] RIP: 0033:0x7fce69bae007
[188815.096510] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188815.096511] RSP: 002b:00007fce391706c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188815.096512] RAX: ffffffffffffffda RBX: 0000000000000050 RCX: 00007fce69bae007
[188815.096513] RDX: 00007fce39170900 RSI: ffffffff80685600 RDI: 0000000000000050
[188815.096514] RBP: ffffffff80685600 R08: 0000000000000001 R09: 0000000000000030
[188815.096514] R10: fffffffffffbd580 R11: 0000000000000246 R12: 0000000000000050
[188815.096515] R13: 00007fce39170900 R14: 0000000000000015 R15: 00007fce235558a3
[188815.096517] ---[ end trace df6fe33c3271d9f9 ]---
[188815.096550] ------------[ cut here ]------------
[188815.096555] WARNING: CPU: 5 PID: 842484 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188815.096556] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188815.096571]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188815.096596] CPU: 5 PID: 842484 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188815.096597] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188815.096600] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188815.096602] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188815.096602] RSP: 0018:ffff9f92ce42fc70 EFLAGS: 00010202
[188815.096603] RAX: 0000000000000000 RBX: ffff9f92ce42fd88 RCX: 8520800185208001
[188815.096604] RDX: 0000000085008003 RSI: 0000000085008001 RDI: 0000000000000000
[188815.096605] RBP: ffff9f92ce42fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188815.096605] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188815.096606] R13: ffff8f0a02d52900 R14: ffff8f065e514120 R15: ffffffffc2d8c380
[188815.096607] FS:  00007fce39176700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188815.096608] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188815.096609] CR2: 000000000251c1b8 CR3: 00000002e21aa001 CR4: 00000000001606e0
[188815.096609] Call Trace:
[188815.096613]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188815.096614]  ? __switch_to_asm+0x34/0x70
[188815.096616]  ? __switch_to_asm+0x40/0x70
[188815.096617]  ? __switch_to_asm+0x34/0x70
[188815.096618]  ? syscall_return_via_sysret+0xf/0x7f
[188815.096620]  ? __switch_to_asm+0x34/0x70
[188815.096621]  ? __switch_to_asm+0x40/0x70
[188815.096622]  ? __switch_to_asm+0x34/0x70
[188815.096623]  ? __switch_to_asm+0x40/0x70
[188815.096626]  video_usercopy+0x2b5/0x670 [videodev]
[188815.096630]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188815.096631]  ? hrtimer_try_to_cancel+0x2c/0x110
[188815.096635]  video_ioctl2+0x15/0x20 [videodev]
[188815.096638]  v4l2_ioctl+0x4c/0x60 [videodev]
[188815.096639]  do_vfs_ioctl+0x407/0x670
[188815.096640]  ? hrtimer_nanosleep+0xc2/0x1a0
[188815.096642]  ksys_ioctl+0x67/0x90
[188815.096643]  __x64_sys_ioctl+0x1a/0x20
[188815.096645]  do_syscall_64+0x57/0x190
[188815.096647]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188815.096647] RIP: 0033:0x7fce69bae007
[188815.096648] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188815.096649] RSP: 002b:00007fce391706c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188815.096650] RAX: ffffffffffffffda RBX: 0000000000000050 RCX: 00007fce69bae007
[188815.096651] RDX: 00007fce39170900 RSI: ffffffff80685600 RDI: 0000000000000050
[188815.096652] RBP: ffffffff80685600 R08: 0000000000000001 R09: 0000000000000030
[188815.096652] R10: fffffffffffbd580 R11: 0000000000000246 R12: 0000000000000050
[188815.096653] R13: 00007fce39170900 R14: 0000000000000015 R15: 00007fce235558a3
[188815.096655] ---[ end trace df6fe33c3271d9fa ]---
[188815.096717] ------------[ cut here ]------------
[188815.096721] WARNING: CPU: 5 PID: 842484 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[188815.096722] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188815.096736]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188815.096751] CPU: 5 PID: 842484 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188815.096752] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188815.096755] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188815.096756] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188815.096757] RSP: 0018:ffff9f92ce42fc70 EFLAGS: 00010293
[188815.096758] RAX: 0000000000000000 RBX: ffff9f92ce42fd88 RCX: 0000000000000000
[188815.096759] RDX: 0000000085008003 RSI: 0000000000000001 RDI: 0000000000000000
[188815.096759] RBP: ffff9f92ce42fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188815.096760] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188815.096761] R13: ffff8f0a02d52900 R14: ffff8f065e514120 R15: ffffffffc2d8c380
[188815.096762] FS:  00007fce39176700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188815.096763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188815.096763] CR2: 000000000251c1b8 CR3: 00000002e21aa001 CR4: 00000000001606e0
[188815.096764] Call Trace:
[188815.096767]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188815.096770]  ? enqueue_entity+0x128/0x660
[188815.096772]  ? enqueue_task_fair+0x16d/0x5a0
[188815.096775]  video_usercopy+0x2b5/0x670 [videodev]
[188815.096778]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188815.096780]  ? wake_up_q+0x40/0x70
[188815.096783]  video_ioctl2+0x15/0x20 [videodev]
[188815.096786]  v4l2_ioctl+0x4c/0x60 [videodev]
[188815.096787]  do_vfs_ioctl+0x407/0x670
[188815.096790]  ? do_futex+0x160/0x1e0
[188815.096791]  ksys_ioctl+0x67/0x90
[188815.096792]  __x64_sys_ioctl+0x1a/0x20
[188815.096794]  do_syscall_64+0x57/0x190
[188815.096796]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188815.096797] RIP: 0033:0x7fce69bae007
[188815.096798] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188815.096799] RSP: 002b:00007fce391708b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188815.096800] RAX: ffffffffffffffda RBX: 00007fcd5c15b4d0 RCX: 00007fce69bae007
[188815.096800] RDX: 00007fce39170980 RSI: ffffffff80685600 RDI: 0000000000000050
[188815.096801] RBP: ffffffff80685600 R08: 0000000000000000 R09: 0000000000000000
[188815.096802] R10: 0000000000000048 R11: 0000000000000246 R12: 0000000000000050
[188815.096802] R13: 00007fce39170980 R14: 0000000000000015 R15: 00007fce235558a3
[188815.096804] ---[ end trace df6fe33c3271d9fb ]---
[188815.096816] ------------[ cut here ]------------
[188815.096819] WARNING: CPU: 5 PID: 842484 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188815.096820] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188815.096833]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188815.096847] CPU: 5 PID: 842484 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188815.096848] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188815.096851] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188815.096851] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188815.096852] RSP: 0018:ffff9f92ce42fc70 EFLAGS: 00010202
[188815.096853] RAX: 0000000000000000 RBX: ffff9f92ce42fd88 RCX: 8520800185208001
[188815.096854] RDX: 0000000085008003 RSI: 0000000085008001 RDI: 0000000000000000
[188815.096854] RBP: ffff9f92ce42fc98 R08: 0000000000000000 R09: 0000000000ffff0a
[188815.096855] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188815.096856] R13: ffff8f0a02d52900 R14: ffff8f065e514120 R15: ffffffffc2d8c380
[188815.096857] FS:  00007fce39176700(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[188815.096858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188815.096858] CR2: 000000000251c1b8 CR3: 00000002e21aa001 CR4: 00000000001606e0
[188815.096859] Call Trace:
[188815.096862]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188815.096864]  ? enqueue_entity+0x128/0x660
[188815.096865]  ? enqueue_task_fair+0x16d/0x5a0
[188815.096868]  video_usercopy+0x2b5/0x670 [videodev]
[188815.096871]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188815.096873]  ? wake_up_q+0x40/0x70
[188815.096877]  video_ioctl2+0x15/0x20 [videodev]
[188815.096879]  v4l2_ioctl+0x4c/0x60 [videodev]
[188815.096881]  do_vfs_ioctl+0x407/0x670
[188815.096883]  ? do_futex+0x160/0x1e0
[188815.096884]  ksys_ioctl+0x67/0x90
[188815.096885]  __x64_sys_ioctl+0x1a/0x20
[188815.096886]  do_syscall_64+0x57/0x190
[188815.096888]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188815.096889] RIP: 0033:0x7fce69bae007
[188815.096890] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188815.096890] RSP: 002b:00007fce391708b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188815.096891] RAX: ffffffffffffffda RBX: 00007fcd5c15b4d0 RCX: 00007fce69bae007
[188815.096892] RDX: 00007fce39170980 RSI: ffffffff80685600 RDI: 0000000000000050
[188815.096893] RBP: ffffffff80685600 R08: 0000000000000000 R09: 0000000000000000
[188815.096893] R10: 0000000000000048 R11: 0000000000000246 R12: 0000000000000050
[188815.096894] R13: 00007fce39170980 R14: 0000000000000015 R15: 00007fce235558a3
[188815.096895] ---[ end trace df6fe33c3271d9fc ]---
[188890.384140] ------------[ cut here ]------------
[188890.384196] WARNING: CPU: 4 PID: 842849 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[188890.384199] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188890.384246]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188890.384295] CPU: 4 PID: 842849 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188890.384297] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188890.384330] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188890.384335] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188890.384336] RSP: 0018:ffff9f92c1113c70 EFLAGS: 00010293
[188890.384338] RAX: 0000000000000000 RBX: ffff9f92c1113d88 RCX: 0000000000000000
[188890.384339] RDX: 0000000085008003 RSI: 0000000000000001 RDI: 0000000000000000
[188890.384340] RBP: ffff9f92c1113c98 R08: 0000000000000000 R09: 0000000000ffff0a
[188890.384341] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188890.384342] R13: ffff8f066f54da00 R14: ffff8f061a45ade0 R15: ffffffffc2d8c380
[188890.384344] FS:  00007fcdd55f3700(0000) GS:ffff8f0a7eb00000(0000) knlGS:0000000000000000
[188890.384345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188890.384346] CR2: 000000000251c1b8 CR3: 00000002e21aa006 CR4: 00000000001606e0
[188890.384347] Call Trace:
[188890.384373]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188890.384382]  ? __switch_to_asm+0x34/0x70
[188890.384386]  ? __switch_to_asm+0x40/0x70
[188890.384388]  ? __switch_to_asm+0x34/0x70
[188890.384392]  ? syscall_return_via_sysret+0xf/0x7f
[188890.384398]  ? __switch_to_asm+0x34/0x70
[188890.384401]  ? __switch_to_asm+0x40/0x70
[188890.384405]  ? __switch_to_asm+0x34/0x70
[188890.384407]  ? __switch_to_asm+0x40/0x70
[188890.384431]  video_usercopy+0x2b5/0x670 [videodev]
[188890.384441]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188890.384450]  ? hrtimer_try_to_cancel+0x2c/0x110
[188890.384461]  video_ioctl2+0x15/0x20 [videodev]
[188890.384468]  v4l2_ioctl+0x4c/0x60 [videodev]
[188890.384474]  do_vfs_ioctl+0x407/0x670
[188890.384476]  ? hrtimer_nanosleep+0xc2/0x1a0
[188890.384479]  ksys_ioctl+0x67/0x90
[188890.384482]  __x64_sys_ioctl+0x1a/0x20
[188890.384487]  do_syscall_64+0x57/0x190
[188890.384493]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188890.384494] RIP: 0033:0x7fce69bae007
[188890.384497] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188890.384498] RSP: 002b:00007fcdd55ecec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188890.384499] RAX: ffffffffffffffda RBX: 000000000000002b RCX: 00007fce69bae007
[188890.384500] RDX: 00007fcdd55ed100 RSI: ffffffff80685600 RDI: 000000000000002b
[188890.384501] RBP: ffffffff80685600 R08: 0000000000000001 R09: 0000000000000030
[188890.384502] R10: fffffffffffffdf0 R11: 0000000000000246 R12: 000000000000002b
[188890.384503] R13: 00007fcdd55ed100 R14: 0000000000000015 R15: 00007fce235558a3
[188890.384505] ---[ end trace df6fe33c3271d9fd ]---
[188890.384584] ------------[ cut here ]------------
[188890.384599] WARNING: CPU: 4 PID: 842849 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188890.384601] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188890.384632]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188890.384666] CPU: 4 PID: 842849 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188890.384668] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188890.384681] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188890.384683] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188890.384684] RSP: 0018:ffff9f92c1113c70 EFLAGS: 00010202
[188890.384685] RAX: 0000000000000000 RBX: ffff9f92c1113d88 RCX: 8520800185208001
[188890.384686] RDX: 0000000085008003 RSI: 0000000085008001 RDI: 0000000000000000
[188890.384687] RBP: ffff9f92c1113c98 R08: 0000000000000000 R09: 0000000000ffff0a
[188890.384687] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188890.384688] R13: ffff8f066f54da00 R14: ffff8f061a45ade0 R15: ffffffffc2d8c380
[188890.384690] FS:  00007fcdd55f3700(0000) GS:ffff8f0a7eb00000(0000) knlGS:0000000000000000
[188890.384690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188890.384691] CR2: 000000000251c1b8 CR3: 00000002e21aa006 CR4: 00000000001606e0
[188890.384692] Call Trace:
[188890.384700]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188890.384708]  ? __switch_to_asm+0x34/0x70
[188890.384710]  ? __switch_to_asm+0x40/0x70
[188890.384713]  ? __switch_to_asm+0x34/0x70
[188890.384716]  ? syscall_return_via_sysret+0xf/0x7f
[188890.384718]  ? __switch_to_asm+0x34/0x70
[188890.384720]  ? __switch_to_asm+0x40/0x70
[188890.384722]  ? __switch_to_asm+0x34/0x70
[188890.384723]  ? __switch_to_asm+0x40/0x70
[188890.384733]  video_usercopy+0x2b5/0x670 [videodev]
[188890.384741]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188890.384745]  ? hrtimer_try_to_cancel+0x2c/0x110
[188890.384753]  video_ioctl2+0x15/0x20 [videodev]
[188890.384760]  v4l2_ioctl+0x4c/0x60 [videodev]
[188890.384765]  do_vfs_ioctl+0x407/0x670
[188890.384767]  ? hrtimer_nanosleep+0xc2/0x1a0
[188890.384769]  ksys_ioctl+0x67/0x90
[188890.384771]  __x64_sys_ioctl+0x1a/0x20
[188890.384775]  do_syscall_64+0x57/0x190
[188890.384778]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188890.384779] RIP: 0033:0x7fce69bae007
[188890.384781] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188890.384782] RSP: 002b:00007fcdd55ecec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188890.384784] RAX: ffffffffffffffda RBX: 000000000000002b RCX: 00007fce69bae007
[188890.384785] RDX: 00007fcdd55ed100 RSI: ffffffff80685600 RDI: 000000000000002b
[188890.384786] RBP: ffffffff80685600 R08: 0000000000000001 R09: 0000000000000030
[188890.384787] R10: fffffffffffffdf0 R11: 0000000000000246 R12: 000000000000002b
[188890.384788] R13: 00007fcdd55ed100 R14: 0000000000000015 R15: 00007fce235558a3
[188890.384790] ---[ end trace df6fe33c3271d9fe ]---
[188890.384905] ------------[ cut here ]------------
[188890.384918] WARNING: CPU: 4 PID: 842849 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[188890.384920] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188890.384951]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188890.384980] CPU: 4 PID: 842849 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188890.384981] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188890.384992] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[188890.384995] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[188890.384996] RSP: 0018:ffff9f92c1113c70 EFLAGS: 00010293
[188890.384997] RAX: 0000000000000000 RBX: ffff9f92c1113d88 RCX: 0000000000000000
[188890.384998] RDX: 0000000085008003 RSI: 0000000000000001 RDI: 0000000000000000
[188890.384998] RBP: ffff9f92c1113c98 R08: 0000000000000000 R09: 0000000000ffff0a
[188890.384999] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188890.385000] R13: ffff8f066f54da00 R14: ffff8f061a45ade0 R15: ffffffffc2d8c380
[188890.385002] FS:  00007fcdd55f3700(0000) GS:ffff8f0a7eb00000(0000) knlGS:0000000000000000
[188890.385003] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188890.385004] CR2: 000000000251c1b8 CR3: 00000002e21aa006 CR4: 00000000001606e0
[188890.385004] Call Trace:
[188890.385013]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188890.385025]  ? ttwu_do_wakeup+0x1e/0x150
[188890.385032]  video_usercopy+0x2b5/0x670 [videodev]
[188890.385039]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188890.385045]  video_ioctl2+0x15/0x20 [videodev]
[188890.385052]  v4l2_ioctl+0x4c/0x60 [videodev]
[188890.385057]  do_vfs_ioctl+0x407/0x670
[188890.385066]  ? do_futex+0x19c/0x1e0
[188890.385068]  ksys_ioctl+0x67/0x90
[188890.385071]  __x64_sys_ioctl+0x1a/0x20
[188890.385075]  do_syscall_64+0x57/0x190
[188890.385079]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188890.385081] RIP: 0033:0x7fce69bae007
[188890.385083] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188890.385084] RSP: 002b:00007fcdd55ed0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188890.385086] RAX: ffffffffffffffda RBX: 00007fcd44452fe0 RCX: 00007fce69bae007
[188890.385086] RDX: 00007fcdd55ed180 RSI: ffffffff80685600 RDI: 000000000000002b
[188890.385087] RBP: ffffffff80685600 R08: 0000000000000000 R09: 0000000000000000
[188890.385088] R10: 0000000000000048 R11: 0000000000000246 R12: 000000000000002b
[188890.385089] R13: 00007fcdd55ed180 R14: 0000000000000015 R15: 00007fce235558a3
[188890.385091] ---[ end trace df6fe33c3271d9ff ]---
[188890.385172] ------------[ cut here ]------------
[188890.385187] WARNING: CPU: 4 PID: 842849 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[188890.385188] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[188890.385221]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[188890.385260] CPU: 4 PID: 842849 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[188890.385261] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[188890.385274] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[188890.385276] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[188890.385277] RSP: 0018:ffff9f92c1113c70 EFLAGS: 00010202
[188890.385278] RAX: 0000000000000000 RBX: ffff9f92c1113d88 RCX: 8520800185208001
[188890.385279] RDX: 0000000085008003 RSI: 0000000085008001 RDI: 0000000000000000
[188890.385280] RBP: ffff9f92c1113c98 R08: 0000000000000000 R09: 0000000000ffff0a
[188890.385281] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[188890.385282] R13: ffff8f066f54da00 R14: ffff8f061a45ade0 R15: ffffffffc2d8c380
[188890.385283] FS:  00007fcdd55f3700(0000) GS:ffff8f0a7eb00000(0000) knlGS:0000000000000000
[188890.385284] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[188890.385285] CR2: 000000000251c1b8 CR3: 00000002e21aa006 CR4: 00000000001606e0
[188890.385286] Call Trace:
[188890.385293]  __video_do_ioctl+0x1a7/0x410 [videodev]
[188890.385302]  ? ttwu_do_wakeup+0x1e/0x150
[188890.385308]  video_usercopy+0x2b5/0x670 [videodev]
[188890.385313]  ? v4l_s_fmt+0x670/0x670 [videodev]
[188890.385322]  video_ioctl2+0x15/0x20 [videodev]
[188890.385327]  v4l2_ioctl+0x4c/0x60 [videodev]
[188890.385330]  do_vfs_ioctl+0x407/0x670
[188890.385336]  ? do_futex+0x19c/0x1e0
[188890.385337]  ksys_ioctl+0x67/0x90
[188890.385339]  __x64_sys_ioctl+0x1a/0x20
[188890.385342]  do_syscall_64+0x57/0x190
[188890.385346]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[188890.385348] RIP: 0033:0x7fce69bae007
[188890.385350] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[188890.385351] RSP: 002b:00007fcdd55ed0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[188890.385352] RAX: ffffffffffffffda RBX: 00007fcd44452fe0 RCX: 00007fce69bae007
[188890.385353] RDX: 00007fcdd55ed180 RSI: ffffffff80685600 RDI: 000000000000002b
[188890.385354] RBP: ffffffff80685600 R08: 0000000000000000 R09: 0000000000000000
[188890.385355] R10: 0000000000000048 R11: 0000000000000246 R12: 000000000000002b
[188890.385356] R13: 00007fcdd55ed180 R14: 0000000000000015 R15: 00007fce235558a3
[188890.385358] ---[ end trace df6fe33c3271da00 ]---
[189940.496317] usb 3-3: new high-speed USB device number 7 using xhci_hcd
[189940.647521] usb 3-3: New USB device found, idVendor=2717, idProduct=ff40, bcdDevice= 4.14
[189940.647524] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[189940.647526] usb 3-3: Product: Redmi K20
[189940.647527] usb 3-3: Manufacturer: Xiaomi
[189940.647528] usb 3-3: SerialNumber: 669ee26a
[189942.220498] usb 3-3: reset high-speed USB device number 7 using xhci_hcd
[189942.374885] usb 3-3: usbfs: process 866778 (events) did not claim interface 0 before use
[189942.632498] usb 3-3: reset high-speed USB device number 7 using xhci_hcd
[190755.424302] device enp4s0 left promiscuous mode
[190755.424632] bridge-enp4s0: disabled promiscuous mode
[190755.849774]  zd32: p1 p2 p3
[190840.917217] usb 3-3: usbfs: process 866769 (gvfsd-mtp) did not claim interface 0 before use
[214991.943473] userif-3: sent link down event.
[214991.943477] userif-3: sent link up event.
[224970.833025] steam[1499368]: segfault at 0 ip 00000000f79aa065 sp 00000000fffc6d8c error 4 in libc-2.31.so[f7922000+15b000]
[224970.833034] Code: 40 38 ca 0f 84 4d 01 00 00 80 f9 00 0f 84 71 01 00 00 40 4f 75 14 8a 08 38 ca 0f 84 36 01 00 00 80 f9 00 0f 84 5a 01 00 00 40 <8b> 08 bd ff fe fe fe bf ff fe fe fe 01 cd 31 cd 01 cf 8d 40 04 0f
[225836.940638] ------------[ cut here ]------------
[225836.940653] WARNING: CPU: 1 PID: 1540802 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[225836.940654] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[225836.940683]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[225836.940710] CPU: 1 PID: 1540802 Comm: VideoCapture Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[225836.940712] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[225836.940719] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[225836.940721] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[225836.940723] RSP: 0018:ffff9f92c3d57c70 EFLAGS: 00010293
[225836.940725] RAX: 0000000000000000 RBX: ffff9f92c3d57d88 RCX: 0000000000000000
[225836.940726] RDX: 0000000085008003 RSI: 0000000000000000 RDI: 0000000000000000
[225836.940727] RBP: ffff9f92c3d57c98 R08: 0000000000000000 R09: 0000000000ffff0a
[225836.940728] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[225836.940730] R13: ffff8f09b7db0000 R14: ffff8f0649bc0fc0 R15: ffffffffc2d8c380
[225836.940732] FS:  00007f6c35d63700(0000) GS:ffff8f0a7ea40000(0000) knlGS:0000000000000000
[225836.940733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[225836.940734] CR2: 00007f6be2015240 CR3: 000000023d27c001 CR4: 00000000001606e0
[225836.940735] Call Trace:
[225836.940744]  __video_do_ioctl+0x1a7/0x410 [videodev]
[225836.940750]  video_usercopy+0x2b5/0x670 [videodev]
[225836.940755]  ? v4l_s_fmt+0x670/0x670 [videodev]
[225836.940760]  video_ioctl2+0x15/0x20 [videodev]
[225836.940765]  v4l2_ioctl+0x4c/0x60 [videodev]
[225836.940768]  do_vfs_ioctl+0x407/0x670
[225836.940771]  ? putname+0x4a/0x50
[225836.940773]  ksys_ioctl+0x67/0x90
[225836.940774]  __x64_sys_ioctl+0x1a/0x20
[225836.940777]  do_syscall_64+0x57/0x190
[225836.940780]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[225836.940782] RIP: 0033:0x7f6c51cfa50b
[225836.940784] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[225836.940785] RSP: 002b:00007f6c35d628c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[225836.940787] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c51cfa50b
[225836.940788] RDX: 00007f6c35d62900 RSI: 0000000080685600 RDI: 0000000000000168
[225836.940790] RBP: 0000000000000168 R08: 0000000000000000 R09: 000000000000000c
[225836.940791] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c4dc4e5bc
[225836.940792] R13: 00007f6c35d628e0 R14: 0000000000000002 R15: 00007f6c35d62900
[225836.940793] ---[ end trace df6fe33c3271da01 ]---
[225836.940828] ------------[ cut here ]------------
[225836.940836] WARNING: CPU: 1 PID: 1540802 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[225836.940837] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[225836.940871]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[225836.940905] CPU: 1 PID: 1540802 Comm: VideoCapture Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[225836.940906] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[225836.940912] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[225836.940913] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[225836.940914] RSP: 0018:ffff9f92c3d57c70 EFLAGS: 00010206
[225836.940915] RAX: 0000000000000000 RBX: ffff9f92c3d57d88 RCX: 8520800085208000
[225836.940916] RDX: 0000000085008003 RSI: 0000000085008000 RDI: 0000000000000000
[225836.940917] RBP: ffff9f92c3d57c98 R08: 0000000000000000 R09: 0000000000ffff0a
[225836.940918] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[225836.940920] R13: ffff8f09b7db0000 R14: ffff8f0649bc0fc0 R15: ffffffffc2d8c380
[225836.940921] FS:  00007f6c35d63700(0000) GS:ffff8f0a7ea40000(0000) knlGS:0000000000000000
[225836.940923] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[225836.940924] CR2: 00007f6be2015240 CR3: 000000023d27c001 CR4: 00000000001606e0
[225836.940925] Call Trace:
[225836.940931]  __video_do_ioctl+0x1a7/0x410 [videodev]
[225836.940935]  video_usercopy+0x2b5/0x670 [videodev]
[225836.940940]  ? v4l_s_fmt+0x670/0x670 [videodev]
[225836.940946]  video_ioctl2+0x15/0x20 [videodev]
[225836.940951]  v4l2_ioctl+0x4c/0x60 [videodev]
[225836.940953]  do_vfs_ioctl+0x407/0x670
[225836.940956]  ? putname+0x4a/0x50
[225836.940958]  ksys_ioctl+0x67/0x90
[225836.940960]  __x64_sys_ioctl+0x1a/0x20
[225836.940963]  do_syscall_64+0x57/0x190
[225836.940966]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[225836.940968] RIP: 0033:0x7f6c51cfa50b
[225836.940969] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[225836.940970] RSP: 002b:00007f6c35d628c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[225836.940971] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c51cfa50b
[225836.940972] RDX: 00007f6c35d62900 RSI: 0000000080685600 RDI: 0000000000000168
[225836.940973] RBP: 0000000000000168 R08: 0000000000000000 R09: 000000000000000c
[225836.940974] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c4dc4e5bc
[225836.940976] R13: 00007f6c35d628e0 R14: 0000000000000002 R15: 00007f6c35d62900
[225836.940978] ---[ end trace df6fe33c3271da02 ]---
[226803.097736] steam[1573203]: segfault at 0 ip 00000000f7a12065 sp 00000000ffd7f69c error 4 in libc-2.31.so[f798a000+15b000]
[226803.097743] Code: 40 38 ca 0f 84 4d 01 00 00 80 f9 00 0f 84 71 01 00 00 40 4f 75 14 8a 08 38 ca 0f 84 36 01 00 00 80 f9 00 0f 84 5a 01 00 00 40 <8b> 08 bd ff fe fe fe bf ff fe fe fe 01 cd 31 cd 01 cf 8d 40 04 0f
[227492.120628] ------------[ cut here ]------------
[227492.120643] WARNING: CPU: 6 PID: 1589240 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[227492.120644] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[227492.120672]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[227492.120701] CPU: 6 PID: 1589240 Comm: VideoCapture Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[227492.120702] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[227492.120708] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[227492.120711] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[227492.120712] RSP: 0018:ffff9f92c30ebc70 EFLAGS: 00010293
[227492.120714] RAX: 0000000000000000 RBX: ffff9f92c30ebd88 RCX: 0000000000000000
[227492.120715] RDX: 0000000085008003 RSI: 0000000000000000 RDI: 0000000000000000
[227492.120716] RBP: ffff9f92c30ebc98 R08: 0000000000000000 R09: 0000000000ffff0a
[227492.120717] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[227492.120719] R13: ffff8f040ed8d100 R14: ffff8f06755d7de0 R15: ffffffffc2d8c380
[227492.120720] FS:  00007f6c36d31700(0000) GS:ffff8f0a7eb80000(0000) knlGS:0000000000000000
[227492.120721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[227492.120723] CR2: 00007f6c1cf1fffc CR3: 000000023d27c002 CR4: 00000000001606e0
[227492.120724] Call Trace:
[227492.120732]  __video_do_ioctl+0x1a7/0x410 [videodev]
[227492.120739]  video_usercopy+0x2b5/0x670 [videodev]
[227492.120745]  ? v4l_s_fmt+0x670/0x670 [videodev]
[227492.120751]  video_ioctl2+0x15/0x20 [videodev]
[227492.120756]  v4l2_ioctl+0x4c/0x60 [videodev]
[227492.120760]  do_vfs_ioctl+0x407/0x670
[227492.120762]  ? putname+0x4a/0x50
[227492.120764]  ksys_ioctl+0x67/0x90
[227492.120766]  __x64_sys_ioctl+0x1a/0x20
[227492.120770]  do_syscall_64+0x57/0x190
[227492.120774]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[227492.120776] RIP: 0033:0x7f6c51cfa50b
[227492.120778] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[227492.120779] RSP: 002b:00007f6c36d308c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[227492.120781] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c51cfa50b
[227492.120782] RDX: 00007f6c36d30900 RSI: 0000000080685600 RDI: 000000000000015f
[227492.120783] RBP: 000000000000015f R08: 0000000000000000 R09: 000000000000000c
[227492.120785] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c4dc4e5bc
[227492.120786] R13: 00007f6c36d308e0 R14: 0000000000000002 R15: 00007f6c36d30900
[227492.120788] ---[ end trace df6fe33c3271da03 ]---
[227492.120802] ------------[ cut here ]------------
[227492.120808] WARNING: CPU: 6 PID: 1589240 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[227492.120809] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[227492.120831]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[227492.120851] CPU: 6 PID: 1589240 Comm: VideoCapture Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[227492.120852] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[227492.120857] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[227492.120859] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[227492.120860] RSP: 0018:ffff9f92c30ebc70 EFLAGS: 00010206
[227492.120862] RAX: 0000000000000000 RBX: ffff9f92c30ebd88 RCX: 8520800085208000
[227492.120863] RDX: 0000000085008003 RSI: 0000000085008000 RDI: 0000000000000000
[227492.120864] RBP: ffff9f92c30ebc98 R08: 0000000000000000 R09: 0000000000ffff0a
[227492.120866] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[227492.120867] R13: ffff8f040ed8d100 R14: ffff8f06755d7de0 R15: ffffffffc2d8c380
[227492.120868] FS:  00007f6c36d31700(0000) GS:ffff8f0a7eb80000(0000) knlGS:0000000000000000
[227492.120869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[227492.120871] CR2: 00007f6c1cf1fffc CR3: 000000023d27c002 CR4: 00000000001606e0
[227492.120872] Call Trace:
[227492.120878]  __video_do_ioctl+0x1a7/0x410 [videodev]
[227492.120884]  video_usercopy+0x2b5/0x670 [videodev]
[227492.120889]  ? v4l_s_fmt+0x670/0x670 [videodev]
[227492.120895]  video_ioctl2+0x15/0x20 [videodev]
[227492.120900]  v4l2_ioctl+0x4c/0x60 [videodev]
[227492.120902]  do_vfs_ioctl+0x407/0x670
[227492.120905]  ? putname+0x4a/0x50
[227492.120906]  ksys_ioctl+0x67/0x90
[227492.120908]  __x64_sys_ioctl+0x1a/0x20
[227492.120910]  do_syscall_64+0x57/0x190
[227492.120913]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[227492.120914] RIP: 0033:0x7f6c51cfa50b
[227492.120916] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[227492.120917] RSP: 002b:00007f6c36d308c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[227492.120919] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6c51cfa50b
[227492.120920] RDX: 00007f6c36d30900 RSI: 0000000080685600 RDI: 000000000000015f
[227492.120921] RBP: 000000000000015f R08: 0000000000000000 R09: 000000000000000c
[227492.120923] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6c4dc4e5bc
[227492.120924] R13: 00007f6c36d308e0 R14: 0000000000000002 R15: 00007f6c36d30900
[227492.120926] ---[ end trace df6fe33c3271da04 ]---
[230193.958967] usb 3-3: USB disconnect, device number 7
[232646.277422] audit: type=1107 audit(1601811365.073:158): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[232646.279376] audit: type=1107 audit(1601811365.077:159): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[232646.312922] audit: type=1107 audit(1601811365.109:160): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[232730.013078] audit: type=1107 audit(1601811448.809:161): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[232730.026696] audit: type=1107 audit(1601811448.825:162): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241284.020593] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[241284.020603] CPU: 7 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[241284.020605] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[241284.020607] Call Trace:
[241284.020617]  dump_stack+0x6d/0x9a
[241284.020623]  warn_alloc.cold+0x7b/0xdf
[241284.020627]  __alloc_pages_slowpath+0xe07/0xe50
[241284.020931]  ? _nv035326rm+0x25/0x80 [nvidia]
[241284.020938]  ? get_page_from_freelist+0x6b/0x390
[241284.020942]  __alloc_pages_nodemask+0x2d0/0x320
[241284.020946]  alloc_pages_current+0x87/0xe0
[241284.020950]  kmalloc_order+0x1f/0x80
[241284.020952]  kmalloc_order_trace+0x24/0xa0
[241284.020955]  __kmalloc+0x220/0x280
[241284.020959]  ? remove_wait_queue+0x47/0x50
[241284.020983]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[241284.021005]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[241284.021024]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[241284.021028]  ? prep_new_page+0x128/0x160
[241284.021032]  ? __alloc_pages_nodemask+0x173/0x320
[241284.021034]  ? alloc_pages_current+0x87/0xe0
[241284.021037]  ? kmalloc_order+0x63/0x80
[241284.021039]  ? kmalloc_order_trace+0x24/0xa0
[241284.021054]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241284.021056]  ? __kmalloc+0x220/0x280
[241284.021070]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241284.021093]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[241284.021106]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241284.021109]  ? __kmalloc+0x220/0x280
[241284.021112]  ? _copy_from_user+0x3e/0x60
[241284.021126]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241284.021140]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[241284.021153]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[241284.021167]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[241284.021355]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[241284.021358]  ? do_vfs_ioctl+0x407/0x670
[241284.021362]  ? __schedule+0x167/0x740
[241284.021366]  ? recalibrate_cpu_khz+0x10/0x10
[241284.021369]  ? ksys_ioctl+0x67/0x90
[241284.021371]  ? schedule+0x42/0xb0
[241284.021374]  ? __x64_sys_ioctl+0x1a/0x20
[241284.021378]  ? do_syscall_64+0x57/0x190
[241284.021381]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[241284.021395] Mem-Info:
[241284.021402] active_anon:1580771 inactive_anon:322509 isolated_anon:0
                 active_file:734483 inactive_file:306472 isolated_file:0
                 unevictable:16696 dirty:1724 writeback:0 unstable:0
                 slab_reclaimable:131547 slab_unreclaimable:1152057
                 mapped:450067 shmem:63831 pagetables:27684 bounce:0
                 free:655438 free_pcp:231 free_cma:0
[241284.021406] Node 0 active_anon:6323084kB inactive_anon:1290036kB active_file:2937932kB inactive_file:1225888kB unevictable:66784kB isolated(anon):0kB isolated(file):0kB mapped:1800268kB dirty:6896kB writeback:0kB shmem:255324kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[241284.021409] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241284.021414] lowmem_reserve[]: 0 3366 31939 31939 31939
[241284.021417] Node 0 DMA32 free:505072kB min:7116kB low:10560kB high:14004kB active_anon:278580kB inactive_anon:2876kB active_file:61364kB inactive_file:6876kB unevictable:16kB writepending:68kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241284.021422] lowmem_reserve[]: 0 0 28573 28573 28573
[241284.021425] Node 0 Normal free:2100788kB min:60432kB low:89688kB high:118944kB active_anon:6045300kB inactive_anon:1287028kB active_file:2876568kB inactive_file:1220244kB unevictable:66768kB writepending:6824kB present:29868032kB managed:29267296kB mlocked:66768kB kernel_stack:30984kB pagetables:110652kB bounce:0kB free_pcp:924kB local_pcp:4kB free_cma:0kB
[241284.021430] lowmem_reserve[]: 0 0 0 0 0
[241284.021433] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[241284.021444] Node 0 DMA32: 9261*4kB (UE) 21640*8kB (UE) 18387*16kB (UE) 17*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 504900kB
[241284.021452] Node 0 Normal: 858*4kB (UMEH) 107935*8kB (UMEH) 76815*16kB (UMEH) 88*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2100560kB
[241284.021464] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[241284.021466] 1105953 total pagecache pages
[241284.021472] 3339 pages in swap cache
[241284.021474] Swap cache stats: add 33141, delete 29803, find 4087037/4091763
[241284.021476] Free swap  = 30524668kB
[241284.021477] Total swap = 30605308kB
[241284.021478] 8375149 pages RAM
[241284.021480] 0 pages HighMem/MovableOnly
[241284.021481] 166589 pages reserved
[241284.021482] 0 pages cma reserved
[241284.021483] 0 pages hwpoisoned
[241302.926534] audit: type=1107 audit(1601820021.637:163): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241312.099600] audit: type=1107 audit(1601820030.813:164): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241323.756793] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[241323.756811] CPU: 0 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[241323.756812] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[241323.756814] Call Trace:
[241323.756822]  dump_stack+0x6d/0x9a
[241323.756826]  warn_alloc.cold+0x7b/0xdf
[241323.756829]  __alloc_pages_slowpath+0xe07/0xe50
[241323.757002]  ? os_acquire_spinlock+0x12/0x20 [nvidia]
[241323.757005]  ? get_page_from_freelist+0x6b/0x390
[241323.757008]  __alloc_pages_nodemask+0x2d0/0x320
[241323.757011]  alloc_pages_current+0x87/0xe0
[241323.757013]  kmalloc_order+0x1f/0x80
[241323.757015]  kmalloc_order_trace+0x24/0xa0
[241323.757017]  __kmalloc+0x220/0x280
[241323.757033]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[241323.757050]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[241323.757065]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[241323.757067]  ? prep_new_page+0x128/0x160
[241323.757070]  ? __alloc_pages_nodemask+0x173/0x320
[241323.757072]  ? alloc_pages_current+0x87/0xe0
[241323.757074]  ? kmalloc_order+0x63/0x80
[241323.757075]  ? kmalloc_order_trace+0x24/0xa0
[241323.757086]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241323.757087]  ? __kmalloc+0x220/0x280
[241323.757097]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241323.757116]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[241323.757126]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241323.757128]  ? __kmalloc+0x220/0x280
[241323.757130]  ? _copy_from_user+0x3e/0x60
[241323.757149]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241323.757159]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[241323.757168]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[241323.757178]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[241323.757299]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[241323.757302]  ? do_vfs_ioctl+0x407/0x670
[241323.757305]  ? __schedule+0x167/0x740
[241323.757308]  ? recalibrate_cpu_khz+0x10/0x10
[241323.757310]  ? ksys_ioctl+0x67/0x90
[241323.757311]  ? schedule+0x42/0xb0
[241323.757313]  ? __x64_sys_ioctl+0x1a/0x20
[241323.757316]  ? do_syscall_64+0x57/0x190
[241323.757318]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[241323.757320] Mem-Info:
[241323.757324] active_anon:1446095 inactive_anon:321605 isolated_anon:0
                 active_file:734305 inactive_file:302719 isolated_file:0
                 unevictable:16696 dirty:3852 writeback:0 unstable:0
                 slab_reclaimable:129424 slab_unreclaimable:1141803
                 mapped:428333 shmem:57125 pagetables:27635 bounce:0
                 free:765068 free_pcp:63 free_cma:0
[241323.757328] Node 0 active_anon:5784380kB inactive_anon:1286420kB active_file:2937220kB inactive_file:1210876kB unevictable:66784kB isolated(anon):0kB isolated(file):0kB mapped:1713332kB dirty:15408kB writeback:0kB shmem:228500kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[241323.757329] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241323.757333] lowmem_reserve[]: 0 3366 31939 31939 31939
[241323.757335] Node 0 DMA32 free:551436kB min:7116kB low:10560kB high:14004kB active_anon:223044kB inactive_anon:3004kB active_file:61364kB inactive_file:6876kB unevictable:16kB writepending:128kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241323.757339] lowmem_reserve[]: 0 0 28573 28573 28573
[241323.757341] Node 0 Normal free:2492944kB min:60432kB low:89688kB high:118944kB active_anon:5561856kB inactive_anon:1283044kB active_file:2875856kB inactive_file:1204000kB unevictable:66768kB writepending:15280kB present:29868032kB managed:29267296kB mlocked:66768kB kernel_stack:30400kB pagetables:110456kB bounce:0kB free_pcp:252kB local_pcp:0kB free_cma:0kB
[241323.757344] lowmem_reserve[]: 0 0 0 0 0
[241323.757346] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[241323.757353] Node 0 DMA32: 13366*4kB (UME) 22048*8kB (UME) 18324*16kB (UME) 877*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 551096kB
[241323.757358] Node 0 Normal: 12969*4kB (UMEH) 131677*8kB (UMEH) 83592*16kB (UMEH) 1574*32kB (MEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2494924kB
[241323.757366] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[241323.757367] 1095220 total pagecache pages
[241323.757372] 3334 pages in swap cache
[241323.757373] Swap cache stats: add 33194, delete 29861, find 4087846/4092572
[241323.757374] Free swap  = 30524668kB
[241323.757375] Total swap = 30605308kB
[241323.757376] 8375149 pages RAM
[241323.757377] 0 pages HighMem/MovableOnly
[241323.757377] 166589 pages reserved
[241323.757378] 0 pages cma reserved
[241323.757379] 0 pages hwpoisoned
[241343.680046] audit: type=1107 audit(1601820062.393:165): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241352.868904] audit: type=1107 audit(1601820071.580:166): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241367.108282] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[241367.108290] CPU: 1 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[241367.108291] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[241367.108291] Call Trace:
[241367.108298]  dump_stack+0x6d/0x9a
[241367.108301]  warn_alloc.cold+0x7b/0xdf
[241367.108304]  __alloc_pages_slowpath+0xe07/0xe50
[241367.108308]  ? __switch_to_asm+0x34/0x70
[241367.108310]  ? __switch_to_asm+0x40/0x70
[241367.108312]  ? __switch_to_asm+0x40/0x70
[241367.108314]  ? __switch_to_asm+0x40/0x70
[241367.108316]  ? __switch_to_asm+0x34/0x70
[241367.108318]  ? __switch_to_asm+0x40/0x70
[241367.108320]  ? get_page_from_freelist+0x6b/0x390
[241367.108322]  __alloc_pages_nodemask+0x2d0/0x320
[241367.108325]  alloc_pages_current+0x87/0xe0
[241367.108328]  kmalloc_order+0x1f/0x80
[241367.108330]  kmalloc_order_trace+0x24/0xa0
[241367.108332]  __kmalloc+0x220/0x280
[241367.108347]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[241367.108362]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[241367.108374]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[241367.108376]  ? prep_new_page+0x128/0x160
[241367.108378]  ? __alloc_pages_nodemask+0x173/0x320
[241367.108379]  ? alloc_pages_current+0x87/0xe0
[241367.108381]  ? kmalloc_order+0x63/0x80
[241367.108383]  ? kmalloc_order_trace+0x24/0xa0
[241367.108393]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241367.108394]  ? __kmalloc+0x220/0x280
[241367.108403]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241367.108417]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[241367.108424]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241367.108425]  ? __kmalloc+0x220/0x280
[241367.108427]  ? _copy_from_user+0x3e/0x60
[241367.108433]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241367.108440]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[241367.108449]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[241367.108460]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[241367.108586]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[241367.108588]  ? do_vfs_ioctl+0x407/0x670
[241367.108590]  ? __schedule+0x167/0x740
[241367.108592]  ? __cgroup_account_cputime+0x28/0x30
[241367.108594]  ? sched_clock_cpu+0x11/0xb0
[241367.108595]  ? ksys_ioctl+0x67/0x90
[241367.108596]  ? schedule+0x42/0xb0
[241367.108597]  ? __x64_sys_ioctl+0x1a/0x20
[241367.108599]  ? do_syscall_64+0x57/0x190
[241367.108601]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[241367.108602] Mem-Info:
[241367.108605] active_anon:1444178 inactive_anon:323519 isolated_anon:0
                 active_file:733215 inactive_file:292354 isolated_file:0
                 unevictable:16696 dirty:121 writeback:0 unstable:0
                 slab_reclaimable:126087 slab_unreclaimable:1127045
                 mapped:430478 shmem:57337 pagetables:27736 bounce:0
                 free:768550 free_pcp:194 free_cma:0
[241367.108607] Node 0 active_anon:5776712kB inactive_anon:1294076kB active_file:2932860kB inactive_file:1169416kB unevictable:66784kB isolated(anon):0kB isolated(file):0kB mapped:1721912kB dirty:484kB writeback:0kB shmem:229348kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[241367.108608] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241367.108611] lowmem_reserve[]: 0 3366 31939 31939 31939
[241367.108612] Node 0 DMA32 free:517164kB min:7116kB low:10560kB high:14004kB active_anon:223040kB inactive_anon:3004kB active_file:60912kB inactive_file:6876kB unevictable:16kB writepending:4kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241367.108615] lowmem_reserve[]: 0 0 28573 28573 28573
[241367.108616] Node 0 Normal free:2541144kB min:60432kB low:89688kB high:118944kB active_anon:5553672kB inactive_anon:1291072kB active_file:2871948kB inactive_file:1162880kB unevictable:66768kB writepending:480kB present:29868032kB managed:29267296kB mlocked:66768kB kernel_stack:30416kB pagetables:110860kB bounce:0kB free_pcp:764kB local_pcp:0kB free_cma:0kB
[241367.108618] lowmem_reserve[]: 0 0 0 0 0
[241367.108620] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[241367.108624] Node 0 DMA32: 12867*4kB (UE) 21794*8kB (UE) 18189*16kB (UE) 1*32kB (E) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 516876kB
[241367.108627] Node 0 Normal: 23636*4kB (UMEH) 139190*8kB (UMEH) 83180*16kB (UMEH) 36*32kB (UMH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2541888kB
[241367.108632] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[241367.108633] 1083959 total pagecache pages
[241367.108638] 3304 pages in swap cache
[241367.108639] Swap cache stats: add 33312, delete 30009, find 4088721/4093447
[241367.108640] Free swap  = 30523900kB
[241367.108641] Total swap = 30605308kB
[241367.108642] 8375149 pages RAM
[241367.108643] 0 pages HighMem/MovableOnly
[241367.108643] 166589 pages reserved
[241367.108644] 0 pages cma reserved
[241367.108645] 0 pages hwpoisoned
[241386.089407] audit: type=1107 audit(1601820104.800:167): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241395.305506] audit: type=1107 audit(1601820114.016:168): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241411.964237] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[241411.964248] CPU: 7 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[241411.964250] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[241411.964252] Call Trace:
[241411.964263]  dump_stack+0x6d/0x9a
[241411.964268]  warn_alloc.cold+0x7b/0xdf
[241411.964273]  __alloc_pages_slowpath+0xe07/0xe50
[241411.964279]  ? __switch_to_asm+0x34/0x70
[241411.964282]  ? __switch_to_asm+0x40/0x70
[241411.964285]  ? __switch_to_asm+0x40/0x70
[241411.964288]  ? __switch_to_asm+0x40/0x70
[241411.964291]  ? __switch_to_asm+0x34/0x70
[241411.964294]  ? __switch_to_asm+0x40/0x70
[241411.964305]  ? get_page_from_freelist+0x6b/0x390
[241411.964306]  __alloc_pages_nodemask+0x2d0/0x320
[241411.964308]  alloc_pages_current+0x87/0xe0
[241411.964310]  kmalloc_order+0x1f/0x80
[241411.964311]  kmalloc_order_trace+0x24/0xa0
[241411.964313]  __kmalloc+0x220/0x280
[241411.964315]  ? remove_wait_queue+0x47/0x50
[241411.964329]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[241411.964340]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[241411.964349]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[241411.964351]  ? prep_new_page+0x128/0x160
[241411.964353]  ? __alloc_pages_nodemask+0x173/0x320
[241411.964354]  ? alloc_pages_current+0x87/0xe0
[241411.964356]  ? kmalloc_order+0x63/0x80
[241411.964357]  ? kmalloc_order_trace+0x24/0xa0
[241411.964364]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241411.964365]  ? __kmalloc+0x220/0x280
[241411.964371]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241411.964383]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[241411.964390]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241411.964391]  ? __kmalloc+0x220/0x280
[241411.964393]  ? _copy_from_user+0x3e/0x60
[241411.964400]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241411.964406]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[241411.964413]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[241411.964420]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[241411.964534]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[241411.964536]  ? do_vfs_ioctl+0x407/0x670
[241411.964538]  ? __schedule+0x167/0x740
[241411.964540]  ? recalibrate_cpu_khz+0x10/0x10
[241411.964542]  ? ksys_ioctl+0x67/0x90
[241411.964543]  ? schedule+0x42/0xb0
[241411.964544]  ? __x64_sys_ioctl+0x1a/0x20
[241411.964546]  ? do_syscall_64+0x57/0x190
[241411.964548]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[241411.964549] Mem-Info:
[241411.964551] active_anon:1442290 inactive_anon:325723 isolated_anon:0
                 active_file:731249 inactive_file:289748 isolated_file:0
                 unevictable:16696 dirty:256 writeback:0 unstable:0
                 slab_reclaimable:124063 slab_unreclaimable:1108740
                 mapped:429978 shmem:57518 pagetables:27823 bounce:0
                 free:772794 free_pcp:0 free_cma:0
[241411.964554] Node 0 active_anon:5769160kB inactive_anon:1302892kB active_file:2924996kB inactive_file:1158992kB unevictable:66784kB isolated(anon):0kB isolated(file):0kB mapped:1719912kB dirty:1024kB writeback:0kB shmem:230072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[241411.964555] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241411.964557] lowmem_reserve[]: 0 3366 31939 31939 31939
[241411.964558] Node 0 DMA32 free:540548kB min:7116kB low:10560kB high:14004kB active_anon:223040kB inactive_anon:3004kB active_file:60620kB inactive_file:7072kB unevictable:16kB writepending:0kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241411.964561] lowmem_reserve[]: 0 0 28573 28573 28573
[241411.964562] Node 0 Normal free:2534736kB min:60432kB low:89688kB high:118944kB active_anon:5546120kB inactive_anon:1299888kB active_file:2864376kB inactive_file:1151920kB unevictable:66768kB writepending:1024kB present:29868032kB managed:29267296kB mlocked:66768kB kernel_stack:30240kB pagetables:111208kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241411.964565] lowmem_reserve[]: 0 0 0 0 0
[241411.964566] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[241411.964570] Node 0 DMA32: 12877*4kB (UE) 21767*8kB (UE) 18170*16kB (U) 755*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 540524kB
[241411.964574] Node 0 Normal: 13541*4kB (UMEH) 139548*8kB (UMEH) 83680*16kB (UMEH) 793*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2536596kB
[241411.964578] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[241411.964579] 1079564 total pagecache pages
[241411.964583] 3287 pages in swap cache
[241411.964584] Swap cache stats: add 33369, delete 30083, find 4089649/4094375
[241411.964585] Free swap  = 30523644kB
[241411.964585] Total swap = 30605308kB
[241411.964586] 8375149 pages RAM
[241411.964587] 0 pages HighMem/MovableOnly
[241411.964587] 166589 pages reserved
[241411.964588] 0 pages cma reserved
[241411.964588] 0 pages hwpoisoned
[241431.018248] audit: type=1107 audit(1601820149.728:169): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241440.233920] audit: type=1107 audit(1601820158.944:170): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241456.411142] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[241456.411159] CPU: 7 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[241456.411160] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[241456.411161] Call Trace:
[241456.411167]  dump_stack+0x6d/0x9a
[241456.411171]  warn_alloc.cold+0x7b/0xdf
[241456.411173]  __alloc_pages_slowpath+0xe07/0xe50
[241456.411176]  ? __switch_to_asm+0x34/0x70
[241456.411177]  ? __switch_to_asm+0x40/0x70
[241456.411179]  ? __switch_to_asm+0x40/0x70
[241456.411180]  ? __switch_to_asm+0x40/0x70
[241456.411181]  ? __switch_to_asm+0x34/0x70
[241456.411183]  ? __switch_to_asm+0x40/0x70
[241456.411184]  ? get_page_from_freelist+0x6b/0x390
[241456.411186]  __alloc_pages_nodemask+0x2d0/0x320
[241456.411188]  alloc_pages_current+0x87/0xe0
[241456.411190]  kmalloc_order+0x1f/0x80
[241456.411191]  kmalloc_order_trace+0x24/0xa0
[241456.411193]  __kmalloc+0x220/0x280
[241456.411195]  ? remove_wait_queue+0x47/0x50
[241456.411209]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[241456.411221]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[241456.411231]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[241456.411233]  ? prep_new_page+0x128/0x160
[241456.411235]  ? __alloc_pages_nodemask+0x173/0x320
[241456.411236]  ? alloc_pages_current+0x87/0xe0
[241456.411237]  ? kmalloc_order+0x63/0x80
[241456.411239]  ? kmalloc_order_trace+0x24/0xa0
[241456.411246]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241456.411247]  ? __kmalloc+0x220/0x280
[241456.411254]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241456.411266]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[241456.411273]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241456.411275]  ? __kmalloc+0x220/0x280
[241456.411277]  ? _copy_from_user+0x3e/0x60
[241456.411284]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[241456.411291]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[241456.411298]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[241456.411305]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[241456.411421]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[241456.411423]  ? do_vfs_ioctl+0x407/0x670
[241456.411425]  ? __schedule+0x167/0x740
[241456.411428]  ? recalibrate_cpu_khz+0x10/0x10
[241456.411429]  ? ksys_ioctl+0x67/0x90
[241456.411430]  ? schedule+0x42/0xb0
[241456.411431]  ? __x64_sys_ioctl+0x1a/0x20
[241456.411433]  ? do_syscall_64+0x57/0x190
[241456.411435]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[241456.411436] Mem-Info:
[241456.411439] active_anon:1446220 inactive_anon:328176 isolated_anon:0
                 active_file:726084 inactive_file:285999 isolated_file:0
                 unevictable:16696 dirty:406 writeback:0 unstable:0
                 slab_reclaimable:121454 slab_unreclaimable:1091112
                 mapped:435897 shmem:57427 pagetables:28064 bounce:0
                 free:776921 free_pcp:0 free_cma:0
[241456.411442] Node 0 active_anon:5784880kB inactive_anon:1312704kB active_file:2904336kB inactive_file:1143996kB unevictable:66784kB isolated(anon):0kB isolated(file):0kB mapped:1743588kB dirty:1624kB writeback:0kB shmem:229708kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[241456.411443] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241456.411445] lowmem_reserve[]: 0 3366 31939 31939 31939
[241456.411446] Node 0 DMA32 free:542664kB min:7116kB low:10560kB high:14004kB active_anon:222340kB inactive_anon:3696kB active_file:58336kB inactive_file:7060kB unevictable:16kB writepending:4kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241456.411449] lowmem_reserve[]: 0 0 28573 28573 28573
[241456.411450] Node 0 Normal free:2549128kB min:60432kB low:89688kB high:118944kB active_anon:5562540kB inactive_anon:1309008kB active_file:2846000kB inactive_file:1136936kB unevictable:66768kB writepending:1620kB present:29868032kB managed:29267296kB mlocked:66768kB kernel_stack:30544kB pagetables:112172kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[241456.411452] lowmem_reserve[]: 0 0 0 0 0
[241456.411454] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[241456.411458] Node 0 DMA32: 13036*4kB (UME) 21747*8kB (UME) 18178*16kB (U) 809*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 542856kB
[241456.411462] Node 0 Normal: 13420*4kB (UMEH) 143322*8kB (UMEH) 83761*16kB (UMEH) 275*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2551024kB
[241456.411467] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[241456.411468] 1070395 total pagecache pages
[241456.411472] 3292 pages in swap cache
[241456.411473] Swap cache stats: add 33464, delete 30173, find 4090556/4095282
[241456.411474] Free swap  = 30522876kB
[241456.411475] Total swap = 30605308kB
[241456.411475] 8375149 pages RAM
[241456.411476] 0 pages HighMem/MovableOnly
[241456.411476] 166589 pages reserved
[241456.411477] 0 pages cma reserved
[241456.411478] 0 pages hwpoisoned
[241475.431960] audit: type=1107 audit(1601820194.139:171): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[241484.625046] audit: type=1107 audit(1601820203.339:172): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242121.687951] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242121.687957] CPU: 2 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242121.687958] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242121.687959] Call Trace:
[242121.687965]  dump_stack+0x6d/0x9a
[242121.687968]  warn_alloc.cold+0x7b/0xdf
[242121.687970]  __alloc_pages_slowpath+0xe07/0xe50
[242121.687973]  ? __switch_to_asm+0x34/0x70
[242121.687975]  ? __switch_to_asm+0x40/0x70
[242121.687976]  ? __switch_to_asm+0x40/0x70
[242121.687978]  ? __switch_to_asm+0x40/0x70
[242121.687979]  ? __switch_to_asm+0x34/0x70
[242121.687981]  ? __switch_to_asm+0x40/0x70
[242121.687982]  ? get_page_from_freelist+0x6b/0x390
[242121.687984]  __alloc_pages_nodemask+0x2d0/0x320
[242121.687986]  alloc_pages_current+0x87/0xe0
[242121.687988]  kmalloc_order+0x1f/0x80
[242121.687989]  kmalloc_order_trace+0x24/0xa0
[242121.687990]  ? __switch_to_asm+0x34/0x70
[242121.687992]  __kmalloc+0x220/0x280
[242121.687993]  ? __switch_to_asm+0x34/0x70
[242121.688007]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242121.688018]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242121.688028]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242121.688030]  ? prep_new_page+0x128/0x160
[242121.688031]  ? __alloc_pages_nodemask+0x173/0x320
[242121.688033]  ? alloc_pages_current+0x87/0xe0
[242121.688034]  ? kmalloc_order+0x63/0x80
[242121.688035]  ? kmalloc_order_trace+0x24/0xa0
[242121.688043]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242121.688044]  ? __kmalloc+0x220/0x280
[242121.688050]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242121.688063]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242121.688070]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242121.688071]  ? __kmalloc+0x220/0x280
[242121.688073]  ? _copy_from_user+0x3e/0x60
[242121.688080]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242121.688087]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242121.688094]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242121.688101]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242121.688215]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242121.688217]  ? do_vfs_ioctl+0x407/0x670
[242121.688219]  ? __schedule+0x167/0x740
[242121.688222]  ? recalibrate_cpu_khz+0x10/0x10
[242121.688223]  ? ksys_ioctl+0x67/0x90
[242121.688224]  ? schedule+0x42/0xb0
[242121.688225]  ? __x64_sys_ioctl+0x1a/0x20
[242121.688227]  ? do_syscall_64+0x57/0x190
[242121.688229]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242121.688230] Mem-Info:
[242121.688233] active_anon:1541495 inactive_anon:326857 isolated_anon:0
                 active_file:614301 inactive_file:273947 isolated_file:0
                 unevictable:17188 dirty:2447 writeback:0 unstable:0
                 slab_reclaimable:102370 slab_unreclaimable:867054
                 mapped:470181 shmem:57523 pagetables:29297 bounce:0
                 free:906200 free_pcp:122 free_cma:0
[242121.688236] Node 0 active_anon:6165980kB inactive_anon:1307428kB active_file:2457204kB inactive_file:1095788kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1880724kB dirty:9788kB writeback:0kB shmem:230092kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242121.688237] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242121.688239] lowmem_reserve[]: 0 3366 31939 31939 31939
[242121.688241] Node 0 DMA32 free:635964kB min:7116kB low:10560kB high:14004kB active_anon:222348kB inactive_anon:3688kB active_file:26460kB inactive_file:7232kB unevictable:16kB writepending:8kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242121.688244] lowmem_reserve[]: 0 0 28573 28573 28573
[242121.688245] Node 0 Normal free:2972944kB min:60432kB low:89688kB high:118944kB active_anon:5943340kB inactive_anon:1303740kB active_file:2430744kB inactive_file:1088556kB unevictable:68736kB writepending:9780kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30368kB pagetables:117104kB bounce:0kB free_pcp:488kB local_pcp:0kB free_cma:0kB
[242121.688247] lowmem_reserve[]: 0 0 0 0 0
[242121.688248] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242121.688253] Node 0 DMA32: 13583*4kB (UE) 21213*8kB (UE) 17805*16kB (UE) 3969*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 635924kB
[242121.688256] Node 0 Normal: 18849*4kB (UMH) 133741*8kB (UEH) 105162*16kB (UEH) 4520*32kB (UEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2974348kB
[242121.688261] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242121.688262] 946736 total pagecache pages
[242121.688266] 3212 pages in swap cache
[242121.688267] Swap cache stats: add 34576, delete 31364, find 4104021/4108747
[242121.688268] Free swap  = 30518780kB
[242121.688268] Total swap = 30605308kB
[242121.688269] 8375149 pages RAM
[242121.688270] 0 pages HighMem/MovableOnly
[242121.688270] 166589 pages reserved
[242121.688271] 0 pages cma reserved
[242121.688271] 0 pages hwpoisoned
[242140.329842] audit: type=1107 audit(1601820859.033:173): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242149.548470] audit: type=1107 audit(1601820868.253:174): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242188.398851] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242188.398857] CPU: 4 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242188.398858] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242188.398859] Call Trace:
[242188.398866]  dump_stack+0x6d/0x9a
[242188.398870]  warn_alloc.cold+0x7b/0xdf
[242188.398873]  __alloc_pages_slowpath+0xe07/0xe50
[242188.398877]  ? __switch_to_asm+0x34/0x70
[242188.398879]  ? __switch_to_asm+0x40/0x70
[242188.398881]  ? __switch_to_asm+0x40/0x70
[242188.398882]  ? __switch_to_asm+0x40/0x70
[242188.398884]  ? __switch_to_asm+0x34/0x70
[242188.398885]  ? __switch_to_asm+0x40/0x70
[242188.398887]  ? get_page_from_freelist+0x6b/0x390
[242188.398888]  __alloc_pages_nodemask+0x2d0/0x320
[242188.398890]  alloc_pages_current+0x87/0xe0
[242188.398893]  kmalloc_order+0x1f/0x80
[242188.398894]  kmalloc_order_trace+0x24/0xa0
[242188.398896]  __kmalloc+0x220/0x280
[242188.398898]  ? remove_wait_queue+0x47/0x50
[242188.398912]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242188.398923]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242188.398933]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242188.398935]  ? prep_new_page+0x128/0x160
[242188.398936]  ? __alloc_pages_nodemask+0x173/0x320
[242188.398938]  ? alloc_pages_current+0x87/0xe0
[242188.398939]  ? kmalloc_order+0x63/0x80
[242188.398940]  ? kmalloc_order_trace+0x24/0xa0
[242188.398947]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242188.398948]  ? __kmalloc+0x220/0x280
[242188.398955]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242188.398967]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242188.398973]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242188.398974]  ? __kmalloc+0x220/0x280
[242188.398976]  ? _copy_from_user+0x3e/0x60
[242188.398983]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242188.398989]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242188.398996]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242188.399003]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242188.399115]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242188.399117]  ? do_vfs_ioctl+0x407/0x670
[242188.399120]  ? __schedule+0x167/0x740
[242188.399122]  ? recalibrate_cpu_khz+0x10/0x10
[242188.399123]  ? ksys_ioctl+0x67/0x90
[242188.399124]  ? schedule+0x42/0xb0
[242188.399125]  ? __x64_sys_ioctl+0x1a/0x20
[242188.399128]  ? do_syscall_64+0x57/0x190
[242188.399129]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242188.399143] Mem-Info:
[242188.399149] active_anon:1519563 inactive_anon:327787 isolated_anon:0
                 active_file:606148 inactive_file:275661 isolated_file:0
                 unevictable:17188 dirty:1541 writeback:8 unstable:0
                 slab_reclaimable:101672 slab_unreclaimable:847554
                 mapped:473974 shmem:57559 pagetables:29492 bounce:0
                 free:883710 free_pcp:0 free_cma:0
[242188.399153] Node 0 active_anon:6078252kB inactive_anon:1311148kB active_file:2424592kB inactive_file:1102644kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1895896kB dirty:6164kB writeback:32kB shmem:230236kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242188.399157] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242188.399162] lowmem_reserve[]: 0 3366 31939 31939 31939
[242188.399171] Node 0 DMA32 free:522696kB min:7116kB low:10560kB high:14004kB active_anon:222348kB inactive_anon:3688kB active_file:26464kB inactive_file:7268kB unevictable:16kB writepending:12kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242188.399177] lowmem_reserve[]: 0 0 28573 28573 28573
[242188.399184] Node 0 Normal free:2996252kB min:60432kB low:89688kB high:118944kB active_anon:5855904kB inactive_anon:1307460kB active_file:2397892kB inactive_file:1095376kB unevictable:68736kB writepending:6184kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30128kB pagetables:117884kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242188.399189] lowmem_reserve[]: 0 0 0 0 0
[242188.399197] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242188.399201] Node 0 DMA32: 13604*4kB (UE) 21211*8kB (UE) 17776*16kB (U) 431*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 522312kB
[242188.399205] Node 0 Normal: 26257*4kB (UMEH) 141111*8kB (UMEH) 107060*16kB (UMEH) 1536*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2997820kB
[242188.399210] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242188.399211] 940326 total pagecache pages
[242188.399215] 3211 pages in swap cache
[242188.399216] Swap cache stats: add 34645, delete 31434, find 4105370/4110096
[242188.399216] Free swap  = 30518524kB
[242188.399217] Total swap = 30605308kB
[242188.399218] 8375149 pages RAM
[242188.399218] 0 pages HighMem/MovableOnly
[242188.399219] 166589 pages reserved
[242188.399219] 0 pages cma reserved
[242188.399220] 0 pages hwpoisoned
[242206.869593] audit: type=1107 audit(1601820925.572:175): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242216.116565] audit: type=1107 audit(1601820934.820:176): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242244.107671] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242244.107677] CPU: 4 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242244.107678] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242244.107679] Call Trace:
[242244.107687]  dump_stack+0x6d/0x9a
[242244.107690]  warn_alloc.cold+0x7b/0xdf
[242244.107692]  __alloc_pages_slowpath+0xe07/0xe50
[242244.107696]  ? __switch_to_asm+0x34/0x70
[242244.107697]  ? __switch_to_asm+0x40/0x70
[242244.107699]  ? __switch_to_asm+0x40/0x70
[242244.107701]  ? __switch_to_asm+0x40/0x70
[242244.107702]  ? __switch_to_asm+0x34/0x70
[242244.107704]  ? __switch_to_asm+0x40/0x70
[242244.107705]  ? get_page_from_freelist+0x6b/0x390
[242244.107707]  __alloc_pages_nodemask+0x2d0/0x320
[242244.107709]  alloc_pages_current+0x87/0xe0
[242244.107711]  kmalloc_order+0x1f/0x80
[242244.107712]  kmalloc_order_trace+0x24/0xa0
[242244.107714]  __kmalloc+0x220/0x280
[242244.107716]  ? remove_wait_queue+0x47/0x50
[242244.107732]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242244.107744]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242244.107754]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242244.107756]  ? prep_new_page+0x128/0x160
[242244.107758]  ? __alloc_pages_nodemask+0x173/0x320
[242244.107759]  ? alloc_pages_current+0x87/0xe0
[242244.107760]  ? kmalloc_order+0x63/0x80
[242244.107761]  ? kmalloc_order_trace+0x24/0xa0
[242244.107768]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242244.107770]  ? __kmalloc+0x220/0x280
[242244.107776]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242244.107788]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242244.107794]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242244.107795]  ? __kmalloc+0x220/0x280
[242244.107797]  ? _copy_from_user+0x3e/0x60
[242244.107804]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242244.107810]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242244.107817]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242244.107823]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242244.107936]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242244.107938]  ? do_vfs_ioctl+0x407/0x670
[242244.107940]  ? __schedule+0x167/0x740
[242244.107943]  ? recalibrate_cpu_khz+0x10/0x10
[242244.107944]  ? ksys_ioctl+0x67/0x90
[242244.107945]  ? schedule+0x42/0xb0
[242244.107946]  ? __x64_sys_ioctl+0x1a/0x20
[242244.107949]  ? do_syscall_64+0x57/0x190
[242244.107950]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242244.107963] Mem-Info:
[242244.107966] active_anon:1517544 inactive_anon:329434 isolated_anon:0
                 active_file:602876 inactive_file:276416 isolated_file:0
                 unevictable:17188 dirty:139 writeback:0 unstable:0
                 slab_reclaimable:99274 slab_unreclaimable:842294
                 mapped:475682 shmem:57839 pagetables:29521 bounce:0
                 free:839571 free_pcp:3 free_cma:0
[242244.107969] Node 0 active_anon:6070176kB inactive_anon:1317736kB active_file:2411504kB inactive_file:1105664kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1902728kB dirty:556kB writeback:0kB shmem:231356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242244.107969] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242244.107972] lowmem_reserve[]: 0 3366 31939 31939 31939
[242244.107973] Node 0 DMA32 free:537736kB min:7116kB low:10560kB high:14004kB active_anon:215308kB inactive_anon:10956kB active_file:26376kB inactive_file:7260kB unevictable:16kB writepending:4kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242244.107975] lowmem_reserve[]: 0 0 28573 28573 28573
[242244.107977] Node 0 Normal free:2804656kB min:60432kB low:89688kB high:118944kB active_anon:5854868kB inactive_anon:1306780kB active_file:2385128kB inactive_file:1098404kB unevictable:68736kB writepending:552kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30012kB pagetables:118000kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB
[242244.107979] lowmem_reserve[]: 0 0 0 0 0
[242244.107980] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242244.107984] Node 0 DMA32: 13546*4kB (UE) 20566*8kB (UE) 17323*16kB (U) 1308*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 537736kB
[242244.107988] Node 0 Normal: 2230*4kB (UMEH) 130384*8kB (UMEH) 108395*16kB (UMEH) 540*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2805384kB
[242244.107993] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242244.107994] 938093 total pagecache pages
[242244.107998] 3198 pages in swap cache
[242244.108000] Swap cache stats: add 34705, delete 31507, find 4106507/4111233
[242244.108002] Free swap  = 30518524kB
[242244.108004] Total swap = 30605308kB
[242244.108006] 8375149 pages RAM
[242244.108008] 0 pages HighMem/MovableOnly
[242244.108012] 166589 pages reserved
[242244.108014] 0 pages cma reserved
[242244.108016] 0 pages hwpoisoned
[242262.710065] audit: type=1107 audit(1601820981.412:177): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242271.965183] audit: type=1107 audit(1601820990.668:178): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242298.708396] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242298.708404] CPU: 0 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242298.708405] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242298.708407] Call Trace:
[242298.708414]  dump_stack+0x6d/0x9a
[242298.708418]  warn_alloc.cold+0x7b/0xdf
[242298.708421]  __alloc_pages_slowpath+0xe07/0xe50
[242298.708424]  ? __switch_to_asm+0x34/0x70
[242298.708427]  ? __switch_to_asm+0x40/0x70
[242298.708429]  ? __switch_to_asm+0x40/0x70
[242298.708431]  ? __switch_to_asm+0x40/0x70
[242298.708433]  ? __switch_to_asm+0x34/0x70
[242298.708435]  ? __switch_to_asm+0x40/0x70
[242298.708437]  ? get_page_from_freelist+0x6b/0x390
[242298.708439]  __alloc_pages_nodemask+0x2d0/0x320
[242298.708442]  alloc_pages_current+0x87/0xe0
[242298.708444]  kmalloc_order+0x1f/0x80
[242298.708446]  kmalloc_order_trace+0x24/0xa0
[242298.708448]  __kmalloc+0x220/0x280
[242298.708451]  ? remove_wait_queue+0x47/0x50
[242298.708468]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242298.708484]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242298.708499]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242298.708501]  ? prep_new_page+0x128/0x160
[242298.708504]  ? __alloc_pages_nodemask+0x173/0x320
[242298.708506]  ? alloc_pages_current+0x87/0xe0
[242298.708508]  ? kmalloc_order+0x63/0x80
[242298.708509]  ? kmalloc_order_trace+0x24/0xa0
[242298.708520]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242298.708522]  ? __kmalloc+0x220/0x280
[242298.708532]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242298.708549]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242298.708560]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242298.708562]  ? __kmalloc+0x220/0x280
[242298.708564]  ? _copy_from_user+0x3e/0x60
[242298.708575]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242298.708585]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242298.708597]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242298.708608]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242298.708755]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242298.708757]  ? do_vfs_ioctl+0x407/0x670
[242298.708760]  ? __schedule+0x167/0x740
[242298.708763]  ? recalibrate_cpu_khz+0x10/0x10
[242298.708765]  ? ksys_ioctl+0x67/0x90
[242298.708766]  ? schedule+0x42/0xb0
[242298.708768]  ? __x64_sys_ioctl+0x1a/0x20
[242298.708771]  ? do_syscall_64+0x57/0x190
[242298.708773]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242298.708775] Mem-Info:
[242298.708779] active_anon:1515261 inactive_anon:331574 isolated_anon:0
                 active_file:599045 inactive_file:278066 isolated_file:0
                 unevictable:17188 dirty:1353 writeback:0 unstable:0
                 slab_reclaimable:98604 slab_unreclaimable:833139
                 mapped:475078 shmem:57781 pagetables:29546 bounce:0
                 free:876093 free_pcp:0 free_cma:0
[242298.708783] Node 0 active_anon:6061044kB inactive_anon:1326296kB active_file:2396180kB inactive_file:1112264kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1900312kB dirty:5412kB writeback:0kB shmem:231124kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242298.708784] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242298.708788] lowmem_reserve[]: 0 3366 31939 31939 31939
[242298.708791] Node 0 DMA32 free:533088kB min:7116kB low:10560kB high:14004kB active_anon:213616kB inactive_anon:12844kB active_file:26028kB inactive_file:7004kB unevictable:16kB writepending:12kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242298.708794] lowmem_reserve[]: 0 0 28573 28573 28573
[242298.708796] Node 0 Normal free:2955392kB min:60432kB low:89688kB high:118944kB active_anon:5847428kB inactive_anon:1313452kB active_file:2370152kB inactive_file:1105260kB unevictable:68736kB writepending:5392kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30240kB pagetables:118100kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242298.708800] lowmem_reserve[]: 0 0 0 0 0
[242298.708802] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242298.708810] Node 0 DMA32: 13456*4kB (UME) 20064*8kB (UME) 16484*16kB (U) 1709*32kB (UM) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 532768kB
[242298.708816] Node 0 Normal: 6342*4kB (UMEH) 142223*8kB (UMEH) 109440*16kB (UMEH) 1281*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 2956976kB
[242298.708825] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242298.708826] 935858 total pagecache pages
[242298.708831] 3199 pages in swap cache
[242298.708832] Swap cache stats: add 34753, delete 31554, find 4107630/4112356
[242298.708833] Free swap  = 30518012kB
[242298.708834] Total swap = 30605308kB
[242298.708835] 8375149 pages RAM
[242298.708836] 0 pages HighMem/MovableOnly
[242298.708837] 166589 pages reserved
[242298.708838] 0 pages cma reserved
[242298.708839] 0 pages hwpoisoned
[242317.325333] audit: type=1107 audit(1601821036.031:179): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242326.504281] audit: type=1107 audit(1601821045.211:180): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242351.114502] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242351.114508] CPU: 0 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242351.114509] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242351.114510] Call Trace:
[242351.114516]  dump_stack+0x6d/0x9a
[242351.114520]  warn_alloc.cold+0x7b/0xdf
[242351.114522]  __alloc_pages_slowpath+0xe07/0xe50
[242351.114524]  ? __switch_to_asm+0x34/0x70
[242351.114526]  ? __switch_to_asm+0x40/0x70
[242351.114527]  ? __switch_to_asm+0x40/0x70
[242351.114528]  ? __switch_to_asm+0x40/0x70
[242351.114529]  ? __switch_to_asm+0x34/0x70
[242351.114530]  ? __switch_to_asm+0x40/0x70
[242351.114532]  ? get_page_from_freelist+0x6b/0x390
[242351.114534]  __alloc_pages_nodemask+0x2d0/0x320
[242351.114535]  alloc_pages_current+0x87/0xe0
[242351.114537]  kmalloc_order+0x1f/0x80
[242351.114538]  kmalloc_order_trace+0x24/0xa0
[242351.114540]  __kmalloc+0x220/0x280
[242351.114554]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242351.114564]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242351.114574]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242351.114575]  ? prep_new_page+0x128/0x160
[242351.114577]  ? __alloc_pages_nodemask+0x173/0x320
[242351.114578]  ? alloc_pages_current+0x87/0xe0
[242351.114580]  ? kmalloc_order+0x63/0x80
[242351.114581]  ? kmalloc_order_trace+0x24/0xa0
[242351.114587]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242351.114588]  ? __kmalloc+0x220/0x280
[242351.114595]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242351.114607]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242351.114613]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242351.114614]  ? __kmalloc+0x220/0x280
[242351.114616]  ? _copy_from_user+0x3e/0x60
[242351.114622]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242351.114629]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242351.114636]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242351.114642]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242351.114760]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242351.114762]  ? do_vfs_ioctl+0x407/0x670
[242351.114763]  ? __schedule+0x167/0x740
[242351.114766]  ? recalibrate_cpu_khz+0x10/0x10
[242351.114767]  ? ksys_ioctl+0x67/0x90
[242351.114768]  ? schedule+0x42/0xb0
[242351.114769]  ? __x64_sys_ioctl+0x1a/0x20
[242351.114771]  ? do_syscall_64+0x57/0x190
[242351.114773]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242351.114774] Mem-Info:
[242351.114777] active_anon:1516271 inactive_anon:332564 isolated_anon:0
                 active_file:590139 inactive_file:278492 isolated_file:0
                 unevictable:17188 dirty:2177 writeback:0 unstable:0
                 slab_reclaimable:97191 slab_unreclaimable:814821
                 mapped:476858 shmem:58026 pagetables:29628 bounce:0
                 free:879211 free_pcp:0 free_cma:0
[242351.114779] Node 0 active_anon:6065084kB inactive_anon:1330256kB active_file:2360556kB inactive_file:1113968kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1907432kB dirty:8708kB writeback:0kB shmem:232104kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242351.114780] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242351.114783] lowmem_reserve[]: 0 3366 31939 31939 31939
[242351.114784] Node 0 DMA32 free:485788kB min:7116kB low:10560kB high:14004kB active_anon:213196kB inactive_anon:12844kB active_file:26008kB inactive_file:6852kB unevictable:16kB writepending:8kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242351.114787] lowmem_reserve[]: 0 0 28573 28573 28573
[242351.114788] Node 0 Normal free:3015164kB min:60432kB low:89688kB high:118944kB active_anon:5851888kB inactive_anon:1317412kB active_file:2334548kB inactive_file:1107116kB unevictable:68736kB writepending:8700kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30208kB pagetables:118428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242351.114790] lowmem_reserve[]: 0 0 0 0 0
[242351.114791] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242351.114795] Node 0 DMA32: 13457*4kB (UME) 19861*8kB (UME) 16341*16kB (UM) 348*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 485308kB
[242351.114799] Node 0 Normal: 8486*4kB (UMEH) 148416*8kB (UMEH) 111577*16kB (UMEH) 253*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3016392kB
[242351.114804] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242351.114804] 927659 total pagecache pages
[242351.114809] 3199 pages in swap cache
[242351.114810] Swap cache stats: add 34782, delete 31583, find 4108689/4113415
[242351.114810] Free swap  = 30517756kB
[242351.114811] Total swap = 30605308kB
[242351.114812] 8375149 pages RAM
[242351.114812] 0 pages HighMem/MovableOnly
[242351.114813] 166589 pages reserved
[242351.114813] 0 pages cma reserved
[242351.114814] 0 pages hwpoisoned
[242369.749587] audit: type=1107 audit(1601821088.455:181): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242378.983904] audit: type=1107 audit(1601821097.687:182): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242393.402575] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242393.402581] CPU: 6 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242393.402582] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242393.402583] Call Trace:
[242393.402590]  dump_stack+0x6d/0x9a
[242393.402593]  warn_alloc.cold+0x7b/0xdf
[242393.402595]  __alloc_pages_slowpath+0xe07/0xe50
[242393.402598]  ? __switch_to_asm+0x34/0x70
[242393.402600]  ? __switch_to_asm+0x40/0x70
[242393.402602]  ? __switch_to_asm+0x40/0x70
[242393.402604]  ? __switch_to_asm+0x40/0x70
[242393.402605]  ? __switch_to_asm+0x34/0x70
[242393.402607]  ? __switch_to_asm+0x40/0x70
[242393.402608]  ? get_page_from_freelist+0x6b/0x390
[242393.402610]  __alloc_pages_nodemask+0x2d0/0x320
[242393.402612]  alloc_pages_current+0x87/0xe0
[242393.402614]  kmalloc_order+0x1f/0x80
[242393.402615]  kmalloc_order_trace+0x24/0xa0
[242393.402617]  __kmalloc+0x220/0x280
[242393.402619]  ? remove_wait_queue+0x47/0x50
[242393.402632]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242393.402644]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242393.402653]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242393.402655]  ? prep_new_page+0x128/0x160
[242393.402657]  ? __alloc_pages_nodemask+0x173/0x320
[242393.402659]  ? alloc_pages_current+0x87/0xe0
[242393.402660]  ? kmalloc_order+0x63/0x80
[242393.402661]  ? kmalloc_order_trace+0x24/0xa0
[242393.402668]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242393.402669]  ? __kmalloc+0x220/0x280
[242393.402676]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242393.402688]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242393.402695]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242393.402696]  ? __kmalloc+0x220/0x280
[242393.402698]  ? _copy_from_user+0x3e/0x60
[242393.402705]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242393.402711]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242393.402718]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242393.402725]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242393.402835]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242393.402838]  ? do_vfs_ioctl+0x407/0x670
[242393.402840]  ? __schedule+0x167/0x740
[242393.402842]  ? recalibrate_cpu_khz+0x10/0x10
[242393.402843]  ? ksys_ioctl+0x67/0x90
[242393.402844]  ? schedule+0x42/0xb0
[242393.402846]  ? __x64_sys_ioctl+0x1a/0x20
[242393.402848]  ? do_syscall_64+0x57/0x190
[242393.402849]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242393.402851] Mem-Info:
[242393.402854] active_anon:1511748 inactive_anon:332364 isolated_anon:0
                 active_file:586940 inactive_file:279342 isolated_file:0
                 unevictable:17188 dirty:543 writeback:0 unstable:0
                 slab_reclaimable:95531 slab_unreclaimable:806387
                 mapped:481507 shmem:57908 pagetables:29782 bounce:0
                 free:883157 free_pcp:0 free_cma:0
[242393.402856] Node 0 active_anon:6046992kB inactive_anon:1329456kB active_file:2347760kB inactive_file:1117368kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1926028kB dirty:2172kB writeback:0kB shmem:231632kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242393.402857] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242393.402860] lowmem_reserve[]: 0 3366 31939 31939 31939
[242393.402861] Node 0 DMA32 free:482268kB min:7116kB low:10560kB high:14004kB active_anon:213228kB inactive_anon:12844kB active_file:23824kB inactive_file:6776kB unevictable:16kB writepending:76kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242393.402864] lowmem_reserve[]: 0 0 28573 28573 28573
[242393.402865] Node 0 Normal free:3034468kB min:60432kB low:89688kB high:118944kB active_anon:5834056kB inactive_anon:1316612kB active_file:2323936kB inactive_file:1110592kB unevictable:68736kB writepending:2432kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30344kB pagetables:119044kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242393.402867] lowmem_reserve[]: 0 0 0 0 0
[242393.402868] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242393.402873] Node 0 DMA32: 13508*4kB (UME) 19854*8kB (UME) 16315*16kB (UM) 258*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 482160kB
[242393.402877] Node 0 Normal: 10721*4kB (UMEH) 146128*8kB (UMEH) 112634*16kB (UMEH) 647*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3036548kB
[242393.402882] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242393.402882] 925206 total pagecache pages
[242393.402887] 3198 pages in swap cache
[242393.402888] Swap cache stats: add 34787, delete 31589, find 4109566/4114292
[242393.402888] Free swap  = 30517756kB
[242393.402889] Total swap = 30605308kB
[242393.402889] 8375149 pages RAM
[242393.402890] 0 pages HighMem/MovableOnly
[242393.402891] 166589 pages reserved
[242393.402891] 0 pages cma reserved
[242393.402892] 0 pages hwpoisoned
[242412.362646] audit: type=1107 audit(1601821131.066:183): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242421.574534] audit: type=1107 audit(1601821140.278:184): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242503.648352] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[242503.648358] CPU: 5 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[242503.648359] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[242503.648360] Call Trace:
[242503.648366]  dump_stack+0x6d/0x9a
[242503.648370]  warn_alloc.cold+0x7b/0xdf
[242503.648372]  __alloc_pages_slowpath+0xe07/0xe50
[242503.648375]  ? __switch_to_asm+0x34/0x70
[242503.648377]  ? __switch_to_asm+0x40/0x70
[242503.648378]  ? __switch_to_asm+0x40/0x70
[242503.648380]  ? __switch_to_asm+0x40/0x70
[242503.648381]  ? __switch_to_asm+0x34/0x70
[242503.648383]  ? __switch_to_asm+0x40/0x70
[242503.648384]  ? get_page_from_freelist+0x6b/0x390
[242503.648386]  __alloc_pages_nodemask+0x2d0/0x320
[242503.648388]  alloc_pages_current+0x87/0xe0
[242503.648389]  kmalloc_order+0x1f/0x80
[242503.648391]  kmalloc_order_trace+0x24/0xa0
[242503.648392]  __kmalloc+0x220/0x280
[242503.648394]  ? remove_wait_queue+0x47/0x50
[242503.648408]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[242503.648419]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[242503.648428]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[242503.648430]  ? prep_new_page+0x128/0x160
[242503.648432]  ? __alloc_pages_nodemask+0x173/0x320
[242503.648433]  ? alloc_pages_current+0x87/0xe0
[242503.648435]  ? kmalloc_order+0x63/0x80
[242503.648436]  ? kmalloc_order_trace+0x24/0xa0
[242503.648443]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242503.648444]  ? __kmalloc+0x220/0x280
[242503.648450]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242503.648463]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[242503.648470]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242503.648471]  ? __kmalloc+0x220/0x280
[242503.648472]  ? _copy_from_user+0x3e/0x60
[242503.648479]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[242503.648486]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[242503.648493]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[242503.648500]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[242503.648608]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[242503.648610]  ? do_vfs_ioctl+0x407/0x670
[242503.648612]  ? __schedule+0x167/0x740
[242503.648615]  ? recalibrate_cpu_khz+0x10/0x10
[242503.648616]  ? ksys_ioctl+0x67/0x90
[242503.648617]  ? schedule+0x42/0xb0
[242503.648618]  ? __x64_sys_ioctl+0x1a/0x20
[242503.648620]  ? do_syscall_64+0x57/0x190
[242503.648622]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[242503.648642] Mem-Info:
[242503.648645] active_anon:1525767 inactive_anon:333502 isolated_anon:0
                 active_file:581486 inactive_file:280389 isolated_file:0
                 unevictable:17188 dirty:2319 writeback:0 unstable:0
                 slab_reclaimable:94099 slab_unreclaimable:776529
                 mapped:490722 shmem:58309 pagetables:29862 bounce:0
                 free:1093488 free_pcp:0 free_cma:0
[242503.648651] Node 0 active_anon:6103068kB inactive_anon:1334008kB active_file:2325944kB inactive_file:1121556kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:1962888kB dirty:9276kB writeback:0kB shmem:233236kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[242503.648652] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242503.648655] lowmem_reserve[]: 0 3366 31939 31939 31939
[242503.648656] Node 0 DMA32 free:676160kB min:7116kB low:10560kB high:14004kB active_anon:213988kB inactive_anon:12848kB active_file:23392kB inactive_file:6108kB unevictable:16kB writepending:20kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242503.648659] lowmem_reserve[]: 0 0 28573 28573 28573
[242503.648660] Node 0 Normal free:3681900kB min:60432kB low:89688kB high:118944kB active_anon:5889080kB inactive_anon:1321160kB active_file:2302552kB inactive_file:1115448kB unevictable:68736kB writepending:9396kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30144kB pagetables:119364kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[242503.648662] lowmem_reserve[]: 0 0 0 0 0
[242503.648663] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[242503.648668] Node 0 DMA32: 13310*4kB (UME) 19387*8kB (UME) 15933*16kB (UE) 6653*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 676160kB
[242503.648671] Node 0 Normal: 8785*4kB (UMEH) 154856*8kB (UMEH) 119144*16kB (UMEH) 15653*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3682980kB
[242503.648676] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[242503.648677] 921198 total pagecache pages
[242503.648682] 3199 pages in swap cache
[242503.648683] Swap cache stats: add 34820, delete 31621, find 4111814/4116540
[242503.648683] Free swap  = 30517756kB
[242503.648684] Total swap = 30605308kB
[242503.648685] 8375149 pages RAM
[242503.648685] 0 pages HighMem/MovableOnly
[242503.648686] 166589 pages reserved
[242503.648686] 0 pages cma reserved
[242503.648687] 0 pages hwpoisoned
[242522.302436] audit: type=1107 audit(1601821241.001:185): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[242531.622623] audit: type=1107 audit(1601821250.325:186): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243177.451471] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[243177.451479] CPU: 2 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[243177.451480] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[243177.451481] Call Trace:
[243177.451487]  dump_stack+0x6d/0x9a
[243177.451491]  warn_alloc.cold+0x7b/0xdf
[243177.451494]  __alloc_pages_slowpath+0xe07/0xe50
[243177.451498]  ? __switch_to_asm+0x34/0x70
[243177.451500]  ? __switch_to_asm+0x40/0x70
[243177.451502]  ? __switch_to_asm+0x40/0x70
[243177.451504]  ? __switch_to_asm+0x40/0x70
[243177.451505]  ? __switch_to_asm+0x34/0x70
[243177.451507]  ? __switch_to_asm+0x40/0x70
[243177.451509]  ? get_page_from_freelist+0x6b/0x390
[243177.451511]  __alloc_pages_nodemask+0x2d0/0x320
[243177.451514]  alloc_pages_current+0x87/0xe0
[243177.451516]  kmalloc_order+0x1f/0x80
[243177.451517]  kmalloc_order_trace+0x24/0xa0
[243177.451519]  __kmalloc+0x220/0x280
[243177.451522]  ? remove_wait_queue+0x47/0x50
[243177.451536]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[243177.451550]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[243177.451562]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[243177.451564]  ? prep_new_page+0x128/0x160
[243177.451567]  ? __alloc_pages_nodemask+0x173/0x320
[243177.451569]  ? alloc_pages_current+0x87/0xe0
[243177.451570]  ? kmalloc_order+0x63/0x80
[243177.451571]  ? kmalloc_order_trace+0x24/0xa0
[243177.451580]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243177.451582]  ? __kmalloc+0x220/0x280
[243177.451590]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243177.451606]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[243177.451615]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243177.451616]  ? __kmalloc+0x220/0x280
[243177.451618]  ? _copy_from_user+0x3e/0x60
[243177.451627]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243177.451635]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[243177.451644]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[243177.451653]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[243177.451780]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[243177.451782]  ? do_vfs_ioctl+0x407/0x670
[243177.451785]  ? __schedule+0x167/0x740
[243177.451788]  ? recalibrate_cpu_khz+0x10/0x10
[243177.451789]  ? ksys_ioctl+0x67/0x90
[243177.451790]  ? schedule+0x42/0xb0
[243177.451792]  ? __x64_sys_ioctl+0x1a/0x20
[243177.451794]  ? do_syscall_64+0x57/0x190
[243177.451797]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[243177.451798] Mem-Info:
[243177.451802] active_anon:1495287 inactive_anon:332194 isolated_anon:0
                 active_file:532422 inactive_file:271156 isolated_file:0
                 unevictable:17188 dirty:416 writeback:0 unstable:0
                 slab_reclaimable:85690 slab_unreclaimable:677036
                 mapped:503103 shmem:56958 pagetables:30210 bounce:0
                 free:1320378 free_pcp:72 free_cma:0
[243177.451806] Node 0 active_anon:5981148kB inactive_anon:1328776kB active_file:2129688kB inactive_file:1084624kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:2012412kB dirty:1664kB writeback:0kB shmem:227832kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[243177.451807] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243177.451810] lowmem_reserve[]: 0 3366 31939 31939 31939
[243177.451812] Node 0 DMA32 free:850276kB min:7116kB low:10560kB high:14004kB active_anon:213188kB inactive_anon:12844kB active_file:22944kB inactive_file:5916kB unevictable:16kB writepending:0kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243177.451815] lowmem_reserve[]: 0 0 28573 28573 28573
[243177.451817] Node 0 Normal free:4415344kB min:60432kB low:89688kB high:118944kB active_anon:5767720kB inactive_anon:1315932kB active_file:2106744kB inactive_file:1079000kB unevictable:68736kB writepending:1664kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30160kB pagetables:120756kB bounce:0kB free_pcp:288kB local_pcp:0kB free_cma:0kB
[243177.451819] lowmem_reserve[]: 0 0 0 0 0
[243177.451821] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[243177.451827] Node 0 DMA32: 12912*4kB (UME) 18221*8kB (UE) 15002*16kB (UE) 12901*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 850280kB
[243177.451831] Node 0 Normal: 4193*4kB (UMEH) 160628*8kB (UMEH) 129841*16kB (UMEH) 32379*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 4417172kB
[243177.451837] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[243177.451838] 861660 total pagecache pages
[243177.451843] 3215 pages in swap cache
[243177.451844] Swap cache stats: add 35077, delete 31862, find 4125463/4130191
[243177.451845] Free swap  = 30516732kB
[243177.451845] Total swap = 30605308kB
[243177.451846] 8375149 pages RAM
[243177.451847] 0 pages HighMem/MovableOnly
[243177.451848] 166589 pages reserved
[243177.451848] 0 pages cma reserved
[243177.451849] 0 pages hwpoisoned
[243196.139511] audit: type=1107 audit(1601821914.835:187): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243205.333697] audit: type=1107 audit(1601821924.031:188): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243331.304379] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[243331.304386] CPU: 3 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[243331.304387] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[243331.304388] Call Trace:
[243331.304395]  dump_stack+0x6d/0x9a
[243331.304398]  warn_alloc.cold+0x7b/0xdf
[243331.304400]  __alloc_pages_slowpath+0xe07/0xe50
[243331.304403]  ? __switch_to_asm+0x34/0x70
[243331.304404]  ? __switch_to_asm+0x40/0x70
[243331.304405]  ? __switch_to_asm+0x40/0x70
[243331.304406]  ? __switch_to_asm+0x40/0x70
[243331.304408]  ? __switch_to_asm+0x34/0x70
[243331.304409]  ? __switch_to_asm+0x40/0x70
[243331.304410]  ? get_page_from_freelist+0x6b/0x390
[243331.304412]  __alloc_pages_nodemask+0x2d0/0x320
[243331.304414]  alloc_pages_current+0x87/0xe0
[243331.304416]  kmalloc_order+0x1f/0x80
[243331.304417]  kmalloc_order_trace+0x24/0xa0
[243331.304419]  __kmalloc+0x220/0x280
[243331.304421]  ? remove_wait_queue+0x47/0x50
[243331.304433]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[243331.304443]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[243331.304453]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[243331.304454]  ? prep_new_page+0x128/0x160
[243331.304456]  ? __alloc_pages_nodemask+0x173/0x320
[243331.304457]  ? alloc_pages_current+0x87/0xe0
[243331.304458]  ? kmalloc_order+0x63/0x80
[243331.304459]  ? kmalloc_order_trace+0x24/0xa0
[243331.304466]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243331.304467]  ? __kmalloc+0x220/0x280
[243331.304473]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243331.304485]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[243331.304491]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243331.304492]  ? __kmalloc+0x220/0x280
[243331.304494]  ? _copy_from_user+0x3e/0x60
[243331.304501]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243331.304507]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[243331.304514]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[243331.304520]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[243331.304629]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[243331.304631]  ? do_vfs_ioctl+0x407/0x670
[243331.304633]  ? __schedule+0x167/0x740
[243331.304635]  ? recalibrate_cpu_khz+0x10/0x10
[243331.304636]  ? ksys_ioctl+0x67/0x90
[243331.304637]  ? schedule+0x42/0xb0
[243331.304638]  ? __x64_sys_ioctl+0x1a/0x20
[243331.304641]  ? do_syscall_64+0x57/0x190
[243331.304642]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[243331.304665] Mem-Info:
[243331.304668] active_anon:1483242 inactive_anon:332422 isolated_anon:0
                 active_file:530485 inactive_file:270364 isolated_file:0
                 unevictable:17188 dirty:2089 writeback:0 unstable:0
                 slab_reclaimable:84723 slab_unreclaimable:658377
                 mapped:504671 shmem:57250 pagetables:30308 bounce:0
                 free:1378747 free_pcp:3 free_cma:0
[243331.304671] Node 0 active_anon:5932968kB inactive_anon:1329688kB active_file:2121940kB inactive_file:1081456kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:2018684kB dirty:8356kB writeback:0kB shmem:229000kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[243331.304672] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243331.304674] lowmem_reserve[]: 0 3366 31939 31939 31939
[243331.304676] Node 0 DMA32 free:893032kB min:7116kB low:10560kB high:14004kB active_anon:213192kB inactive_anon:12844kB active_file:22808kB inactive_file:6024kB unevictable:16kB writepending:12kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243331.304679] lowmem_reserve[]: 0 0 28573 28573 28573
[243331.304684] Node 0 Normal free:4606064kB min:60432kB low:89688kB high:118944kB active_anon:5719988kB inactive_anon:1316844kB active_file:2099132kB inactive_file:1075432kB unevictable:68736kB writepending:8344kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30372kB pagetables:121148kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243331.304688] lowmem_reserve[]: 0 0 0 0 0
[243331.304694] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[243331.304708] Node 0 DMA32: 12732*4kB (UME) 17821*8kB (UE) 14775*16kB (UME) 14461*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 892648kB
[243331.304716] Node 0 Normal: 18142*4kB (UMEH) 161098*8kB (UMEH) 129468*16kB (UMEH) 36647*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 4607336kB
[243331.304721] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[243331.304722] 859129 total pagecache pages
[243331.304727] 3200 pages in swap cache
[243331.304728] Swap cache stats: add 35342, delete 32142, find 4128585/4133313
[243331.304728] Free swap  = 30515708kB
[243331.304729] Total swap = 30605308kB
[243331.304729] 8375149 pages RAM
[243331.304730] 0 pages HighMem/MovableOnly
[243331.304730] 166589 pages reserved
[243331.304731] 0 pages cma reserved
[243331.304731] 0 pages hwpoisoned
[243349.889383] audit: type=1107 audit(1601822068.581:189): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243359.120444] audit: type=1107 audit(1601822077.813:190): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243380.101105] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[243380.101113] CPU: 6 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[243380.101114] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[243380.101115] Call Trace:
[243380.101123]  dump_stack+0x6d/0x9a
[243380.101128]  warn_alloc.cold+0x7b/0xdf
[243380.101131]  __alloc_pages_slowpath+0xe07/0xe50
[243380.101135]  ? __switch_to_asm+0x34/0x70
[243380.101137]  ? __switch_to_asm+0x40/0x70
[243380.101139]  ? __switch_to_asm+0x40/0x70
[243380.101141]  ? __switch_to_asm+0x40/0x70
[243380.101143]  ? __switch_to_asm+0x34/0x70
[243380.101145]  ? __switch_to_asm+0x40/0x70
[243380.101147]  ? get_page_from_freelist+0x6b/0x390
[243380.101149]  __alloc_pages_nodemask+0x2d0/0x320
[243380.101152]  alloc_pages_current+0x87/0xe0
[243380.101154]  kmalloc_order+0x1f/0x80
[243380.101156]  kmalloc_order_trace+0x24/0xa0
[243380.101158]  __kmalloc+0x220/0x280
[243380.101161]  ? remove_wait_queue+0x47/0x50
[243380.101180]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[243380.101195]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[243380.101209]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[243380.101212]  ? prep_new_page+0x128/0x160
[243380.101214]  ? __alloc_pages_nodemask+0x173/0x320
[243380.101216]  ? alloc_pages_current+0x87/0xe0
[243380.101218]  ? kmalloc_order+0x63/0x80
[243380.101220]  ? kmalloc_order_trace+0x24/0xa0
[243380.101230]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243380.101232]  ? __kmalloc+0x220/0x280
[243380.101241]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243380.101258]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[243380.101267]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243380.101269]  ? __kmalloc+0x220/0x280
[243380.101271]  ? _copy_from_user+0x3e/0x60
[243380.101280]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243380.101289]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[243380.101299]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[243380.101308]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[243380.101451]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[243380.101453]  ? do_vfs_ioctl+0x407/0x670
[243380.101456]  ? __schedule+0x167/0x740
[243380.101459]  ? recalibrate_cpu_khz+0x10/0x10
[243380.101461]  ? ksys_ioctl+0x67/0x90
[243380.101463]  ? schedule+0x42/0xb0
[243380.101464]  ? __x64_sys_ioctl+0x1a/0x20
[243380.101467]  ? do_syscall_64+0x57/0x190
[243380.101469]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[243380.101478] Mem-Info:
[243380.101483] active_anon:1484016 inactive_anon:332789 isolated_anon:0
                 active_file:530357 inactive_file:271509 isolated_file:0
                 unevictable:17188 dirty:217 writeback:0 unstable:0
                 slab_reclaimable:84551 slab_unreclaimable:659519
                 mapped:506329 shmem:57417 pagetables:30429 bounce:0
                 free:1262244 free_pcp:126 free_cma:0
[243380.101488] Node 0 active_anon:5936064kB inactive_anon:1331156kB active_file:2121428kB inactive_file:1086036kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:2025316kB dirty:868kB writeback:0kB shmem:229668kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[243380.101489] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243380.101494] lowmem_reserve[]: 0 3366 31939 31939 31939
[243380.101497] Node 0 DMA32 free:886272kB min:7116kB low:10560kB high:14004kB active_anon:213240kB inactive_anon:12844kB active_file:22756kB inactive_file:6076kB unevictable:16kB writepending:0kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243380.101502] lowmem_reserve[]: 0 0 28573 28573 28573
[243380.101503] Node 0 Normal free:4146812kB min:60432kB low:89688kB high:118944kB active_anon:5722824kB inactive_anon:1318312kB active_file:2098672kB inactive_file:1079960kB unevictable:68736kB writepending:868kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30560kB pagetables:121632kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243380.101508] lowmem_reserve[]: 0 0 0 0 0
[243380.101509] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[243380.101515] Node 0 DMA32: 12660*4kB (UE) 17644*8kB (UE) 14677*16kB (UE) 14364*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 886272kB
[243380.101520] Node 0 Normal: 3831*4kB (UMEH) 158813*8kB (UMEH) 129267*16kB (UEH) 24759*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 4148180kB
[243380.101526] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[243380.101527] 860328 total pagecache pages
[243380.101532] 3208 pages in swap cache
[243380.101533] Swap cache stats: add 35405, delete 32197, find 4129580/4134308
[243380.101534] Free swap  = 30515452kB
[243380.101535] Total swap = 30605308kB
[243380.101536] 8375149 pages RAM
[243380.101537] 0 pages HighMem/MovableOnly
[243380.101537] 166589 pages reserved
[243380.101538] 0 pages cma reserved
[243380.101539] 0 pages hwpoisoned
[243398.709186] audit: type=1107 audit(1601822117.401:191): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243407.875444] audit: type=1107 audit(1601822126.569:192): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243421.639630] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[243421.639641] CPU: 7 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[243421.639642] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[243421.639644] Call Trace:
[243421.639654]  dump_stack+0x6d/0x9a
[243421.639660]  warn_alloc.cold+0x7b/0xdf
[243421.639664]  __alloc_pages_slowpath+0xe07/0xe50
[243421.639669]  ? __switch_to_asm+0x34/0x70
[243421.639672]  ? __switch_to_asm+0x40/0x70
[243421.639675]  ? __switch_to_asm+0x40/0x70
[243421.639677]  ? __switch_to_asm+0x40/0x70
[243421.639680]  ? __switch_to_asm+0x34/0x70
[243421.639683]  ? __switch_to_asm+0x40/0x70
[243421.639686]  ? get_page_from_freelist+0x6b/0x390
[243421.639690]  __alloc_pages_nodemask+0x2d0/0x320
[243421.639693]  alloc_pages_current+0x87/0xe0
[243421.639697]  kmalloc_order+0x1f/0x80
[243421.639699]  kmalloc_order_trace+0x24/0xa0
[243421.639702]  __kmalloc+0x220/0x280
[243421.639706]  ? remove_wait_queue+0x47/0x50
[243421.639728]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[243421.639752]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[243421.639772]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[243421.639776]  ? prep_new_page+0x128/0x160
[243421.639780]  ? __alloc_pages_nodemask+0x173/0x320
[243421.639783]  ? alloc_pages_current+0x87/0xe0
[243421.639785]  ? kmalloc_order+0x63/0x80
[243421.639788]  ? kmalloc_order_trace+0x24/0xa0
[243421.639802]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243421.639805]  ? __kmalloc+0x220/0x280
[243421.639819]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243421.639845]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[243421.639860]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243421.639862]  ? __kmalloc+0x220/0x280
[243421.639866]  ? _copy_from_user+0x3e/0x60
[243421.639880]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243421.639894]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[243421.639909]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[243421.639924]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[243421.640131]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[243421.640136]  ? do_vfs_ioctl+0x407/0x670
[243421.640139]  ? __schedule+0x167/0x740
[243421.640143]  ? recalibrate_cpu_khz+0x10/0x10
[243421.640146]  ? ksys_ioctl+0x67/0x90
[243421.640148]  ? schedule+0x42/0xb0
[243421.640151]  ? __x64_sys_ioctl+0x1a/0x20
[243421.640155]  ? do_syscall_64+0x57/0x190
[243421.640159]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[243421.640162] Mem-Info:
[243421.640167] active_anon:1480681 inactive_anon:333175 isolated_anon:0
                 active_file:529381 inactive_file:272662 isolated_file:0
                 unevictable:17188 dirty:526 writeback:0 unstable:0
                 slab_reclaimable:84510 slab_unreclaimable:657708
                 mapped:506996 shmem:57348 pagetables:30537 bounce:0
                 free:1158515 free_pcp:0 free_cma:0
[243421.640173] Node 0 active_anon:5922724kB inactive_anon:1332700kB active_file:2117524kB inactive_file:1090648kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:2027984kB dirty:2104kB writeback:0kB shmem:229392kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[243421.640175] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243421.640180] lowmem_reserve[]: 0 3366 31939 31939 31939
[243421.640183] Node 0 DMA32 free:883280kB min:7116kB low:10560kB high:14004kB active_anon:213060kB inactive_anon:12972kB active_file:22756kB inactive_file:6076kB unevictable:16kB writepending:4kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243421.640189] lowmem_reserve[]: 0 0 28573 28573 28573
[243421.640192] Node 0 Normal free:3734888kB min:60432kB low:89688kB high:118944kB active_anon:5709664kB inactive_anon:1319728kB active_file:2094768kB inactive_file:1084572kB unevictable:68736kB writepending:2100kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30400kB pagetables:122064kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243421.640196] lowmem_reserve[]: 0 0 0 0 0
[243421.640199] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[243421.640209] Node 0 DMA32: 12640*4kB (UME) 17550*8kB (UE) 14612*16kB (UME) 14329*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 883280kB
[243421.640217] Node 0 Normal: 4488*4kB (UMEH) 152093*8kB (UMEH) 129151*16kB (UEH) 13531*32kB (UEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3735896kB
[243421.640228] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[243421.640230] 860422 total pagecache pages
[243421.640237] 3204 pages in swap cache
[243421.640239] Swap cache stats: add 35427, delete 32223, find 4130427/4135156
[243421.640240] Free swap  = 30515452kB
[243421.640241] Total swap = 30605308kB
[243421.640243] 8375149 pages RAM
[243421.640244] 0 pages HighMem/MovableOnly
[243421.640245] 166589 pages reserved
[243421.640246] 0 pages cma reserved
[243421.640248] 0 pages hwpoisoned
[243440.583833] audit: type=1107 audit(1601822159.276:193): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243449.839558] audit: type=1107 audit(1601822168.532:194): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[243452.637836] Xorg: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[243452.637844] CPU: 4 PID: 2810432 Comm: Xorg Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[243452.637845] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[243452.637846] Call Trace:
[243452.637864]  dump_stack+0x6d/0x9a
[243452.637868]  warn_alloc.cold+0x7b/0xdf
[243452.637871]  __alloc_pages_slowpath+0xe07/0xe50
[243452.638094]  ? _nv021313rm+0x28/0xf0 [nvidia]
[243452.638099]  ? get_page_from_freelist+0x6b/0x390
[243452.638102]  __alloc_pages_nodemask+0x2d0/0x320
[243452.638105]  alloc_pages_current+0x87/0xe0
[243452.638108]  kmalloc_order+0x1f/0x80
[243452.638109]  kmalloc_order_trace+0x24/0xa0
[243452.638404]  ? _nv007301rm+0xf9/0x1a0 [nvidia]
[243452.638407]  __kmalloc+0x220/0x280
[243452.638641]  ? _nv021313rm+0x28/0xf0 [nvidia]
[243452.638657]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[243452.638673]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[243452.638687]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[243452.638690]  ? prep_new_page+0x128/0x160
[243452.638693]  ? __alloc_pages_nodemask+0x173/0x320
[243452.638695]  ? alloc_pages_current+0x87/0xe0
[243452.638698]  ? kmalloc_order+0x63/0x80
[243452.638699]  ? kmalloc_order_trace+0x24/0xa0
[243452.638709]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243452.638711]  ? __kmalloc+0x220/0x280
[243452.638721]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243452.638738]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[243452.638748]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243452.638750]  ? __kmalloc+0x220/0x280
[243452.638752]  ? _copy_from_user+0x3e/0x60
[243452.638762]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[243452.638772]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[243452.638782]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[243452.638792]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[243452.638913]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[243452.638915]  ? do_vfs_ioctl+0x407/0x670
[243452.638918]  ? do_user_addr_fault+0x216/0x450
[243452.638920]  ? ksys_ioctl+0x67/0x90
[243452.638922]  ? __x64_sys_ioctl+0x1a/0x20
[243452.638925]  ? do_syscall_64+0x57/0x190
[243452.638928]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[243452.638930] Mem-Info:
[243452.638934] active_anon:1486091 inactive_anon:333393 isolated_anon:0
                 active_file:529365 inactive_file:273876 isolated_file:0
                 unevictable:17188 dirty:3092 writeback:0 unstable:0
                 slab_reclaimable:84461 slab_unreclaimable:654744
                 mapped:508695 shmem:57439 pagetables:30629 bounce:0
                 free:1101800 free_pcp:0 free_cma:0
[243452.638938] Node 0 active_anon:5944364kB inactive_anon:1333572kB active_file:2117460kB inactive_file:1095504kB unevictable:68752kB isolated(anon):0kB isolated(file):0kB mapped:2034780kB dirty:12368kB writeback:0kB shmem:229756kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[243452.638940] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243452.638943] lowmem_reserve[]: 0 3366 31939 31939 31939
[243452.638945] Node 0 DMA32 free:883228kB min:7116kB low:10560kB high:14004kB active_anon:213112kB inactive_anon:12972kB active_file:22756kB inactive_file:6076kB unevictable:16kB writepending:12kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:0kB pagetables:84kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243452.638949] lowmem_reserve[]: 0 0 28573 28573 28573
[243452.638950] Node 0 Normal free:3508080kB min:60432kB low:89688kB high:118944kB active_anon:5731252kB inactive_anon:1320600kB active_file:2094704kB inactive_file:1089428kB unevictable:68736kB writepending:12356kB present:29868032kB managed:29267296kB mlocked:68736kB kernel_stack:30656kB pagetables:122432kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[243452.638954] lowmem_reserve[]: 0 0 0 0 0
[243452.638956] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[243452.638962] Node 0 DMA32: 12631*4kB (UE) 17550*8kB (UE) 14611*16kB (UE) 14329*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 883228kB
[243452.638967] Node 0 Normal: 12083*4kB (UMEH) 153008*8kB (UMEH) 129162*16kB (UEH) 5279*32kB (UEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3509708kB
[243452.638974] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[243452.638975] 861725 total pagecache pages
[243452.638980] 3215 pages in swap cache
[243452.638982] Swap cache stats: add 35444, delete 32229, find 4131063/4135792
[243452.638982] Free swap  = 30515452kB
[243452.638983] Total swap = 30605308kB
[243452.638984] 8375149 pages RAM
[243452.638985] 0 pages HighMem/MovableOnly
[243452.638986] 166589 pages reserved
[243452.638987] 0 pages cma reserved
[243452.638987] 0 pages hwpoisoned
[249839.522872] userif-3: sent link down event.
[249839.522878] userif-3: sent link up event.
[250442.766972] usb 2-1.6: new full-speed USB device number 10 using ehci-pci
[250442.881416] usb 2-1.6: New USB device found, idVendor=1b1c, idProduct=1b4b, bcdDevice= 3.36
[250442.881422] usb 2-1.6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[250442.881424] usb 2-1.6: Product: CORSAIR DARK CORE RGB SE Gaming Mouse
[250442.881427] usb 2-1.6: Manufacturer: Corsair
[250442.881429] usb 2-1.6: SerialNumber: 0A02F02BAF1D8CC959FABCF9F5001BC5
[250442.883233] input: Corsair CORSAIR DARK CORE RGB SE Gaming Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/0003:1B1C:1B4B.000F/input/input50
[250442.943293] input: Corsair CORSAIR DARK CORE RGB SE Gaming Mouse Consumer Control as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/0003:1B1C:1B4B.000F/input/input51
[250442.943492] input: Corsair CORSAIR DARK CORE RGB SE Gaming Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/0003:1B1C:1B4B.000F/input/input52
[250442.943730] input: Corsair CORSAIR DARK CORE RGB SE Gaming Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/0003:1B1C:1B4B.000F/input/input53
[250442.943899] input: Corsair CORSAIR DARK CORE RGB SE Gaming Mouse as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/0003:1B1C:1B4B.000F/input/input54
[250442.944042] input: Corsair CORSAIR DARK CORE RGB SE Gaming Mouse Keyboard as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.6/2-1.6:1.0/0003:1B1C:1B4B.000F/input/input55
[250442.944319] hid-generic 0003:1B1C:1B4B.000F: input,hiddev3,hidraw3: USB HID v1.11 Mouse [Corsair CORSAIR DARK CORE RGB SE Gaming Mouse] on usb-0000:00:1d.0-1.6/input0
[250442.945394] hid-generic 0003:1B1C:1B4B.0010: hiddev5,hidraw5: USB HID v1.11 Device [Corsair CORSAIR DARK CORE RGB SE Gaming Mouse] on usb-0000:00:1d.0-1.6/input1
[250443.039603] audit: type=1107 audit(1601829161.664:195): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[250443.041886] audit: type=1107 audit(1601829161.664:196): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[250443.067340] audit: type=1107 audit(1601829161.692:197): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[250443.091849] audit: type=1107 audit(1601829161.716:198): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[250443.336890] audit: type=1107 audit(1601829161.960:199): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[250448.255811] ------------[ cut here ]------------
[250448.255822] WARNING: CPU: 3 PID: 2785129 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[250448.255823] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[250448.255841]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[250448.255861] CPU: 3 PID: 2785129 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[250448.255862] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[250448.255866] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[250448.255868] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[250448.255869] RSP: 0018:ffff9f92cdfdbc70 EFLAGS: 00010293
[250448.255870] RAX: 0000000000000000 RBX: ffff9f92cdfdbd88 RCX: 0000000000000000
[250448.255871] RDX: 0000000085008003 RSI: 0000000000000000 RDI: 0000000000000000
[250448.255872] RBP: ffff9f92cdfdbc98 R08: 0000000000000000 R09: 0000000000ffff0a
[250448.255873] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[250448.255873] R13: ffff8f0657490100 R14: ffff8f0560a11700 R15: ffffffffc2d8c380
[250448.255875] FS:  00007f35c797ab00(0000) GS:ffff8f0a7eac0000(0000) knlGS:0000000000000000
[250448.255876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[250448.255876] CR2: 000055d6b8f7dad0 CR3: 0000000356de0005 CR4: 00000000001606e0
[250448.255877] Call Trace:
[250448.255883]  __video_do_ioctl+0x1a7/0x410 [videodev]
[250448.255888]  video_usercopy+0x2b5/0x670 [videodev]
[250448.255892]  ? v4l_s_fmt+0x670/0x670 [videodev]
[250448.255896]  video_ioctl2+0x15/0x20 [videodev]
[250448.255899]  v4l2_ioctl+0x4c/0x60 [videodev]
[250448.255902]  do_vfs_ioctl+0x407/0x670
[250448.255904]  ? putname+0x4a/0x50
[250448.255906]  ksys_ioctl+0x67/0x90
[250448.255907]  __x64_sys_ioctl+0x1a/0x20
[250448.255910]  do_syscall_64+0x57/0x190
[250448.255913]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[250448.255914] RIP: 0033:0x7f35c0e62007
[250448.255916] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[250448.255917] RSP: 002b:00007ffe057bd638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[250448.255918] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35c0e62007
[250448.255919] RDX: 00007ffe057bd6c8 RSI: ffffffff80685600 RDI: 0000000000000017
[250448.255920] RBP: 00007ffe057bd760 R08: 000055d6bc376890 R09: 0000000000000001
[250448.255921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe057bd6c8
[250448.255921] R13: 000055d6bc38f3e0 R14: 00007ffe057bd650 R15: 000055d6bc385cd0
[250448.255923] ---[ end trace df6fe33c3271da05 ]---
[250448.255932] ------------[ cut here ]------------
[250448.255936] WARNING: CPU: 3 PID: 2785129 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[250448.255936] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[250448.255950]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[250448.255962] CPU: 3 PID: 2785129 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[250448.255962] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[250448.255966] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[250448.255967] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[250448.255968] RSP: 0018:ffff9f92cdfdbc70 EFLAGS: 00010206
[250448.255969] RAX: 0000000000000000 RBX: ffff9f92cdfdbd88 RCX: 8520800085208000
[250448.255970] RDX: 0000000085008003 RSI: 0000000085008000 RDI: 0000000000000000
[250448.255971] RBP: ffff9f92cdfdbc98 R08: 0000000000000000 R09: 0000000000ffff0a
[250448.255972] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[250448.255973] R13: ffff8f0657490100 R14: ffff8f0560a11700 R15: ffffffffc2d8c380
[250448.255974] FS:  00007f35c797ab00(0000) GS:ffff8f0a7eac0000(0000) knlGS:0000000000000000
[250448.255975] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[250448.255975] CR2: 000055d6b8f7dad0 CR3: 0000000356de0005 CR4: 00000000001606e0
[250448.255976] Call Trace:
[250448.255980]  __video_do_ioctl+0x1a7/0x410 [videodev]
[250448.255984]  video_usercopy+0x2b5/0x670 [videodev]
[250448.255988]  ? v4l_s_fmt+0x670/0x670 [videodev]
[250448.255992]  video_ioctl2+0x15/0x20 [videodev]
[250448.255995]  v4l2_ioctl+0x4c/0x60 [videodev]
[250448.255997]  do_vfs_ioctl+0x407/0x670
[250448.255998]  ? putname+0x4a/0x50
[250448.256000]  ksys_ioctl+0x67/0x90
[250448.256001]  __x64_sys_ioctl+0x1a/0x20
[250448.256003]  do_syscall_64+0x57/0x190
[250448.256005]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[250448.256005] RIP: 0033:0x7f35c0e62007
[250448.256007] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[250448.256007] RSP: 002b:00007ffe057bd638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[250448.256009] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35c0e62007
[250448.256009] RDX: 00007ffe057bd6c8 RSI: ffffffff80685600 RDI: 0000000000000017
[250448.256010] RBP: 00007ffe057bd760 R08: 000055d6bc376890 R09: 0000000000000001
[250448.256011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe057bd6c8
[250448.256012] R13: 000055d6bc38f3e0 R14: 00007ffe057bd650 R15: 000055d6bc385cd0
[250448.256013] ---[ end trace df6fe33c3271da06 ]---
[250453.067750] ------------[ cut here ]------------
[250453.067764] WARNING: CPU: 0 PID: 2785129 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[250453.067765] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[250453.067793]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[250453.067820] CPU: 0 PID: 2785129 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[250453.067821] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[250453.067827] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[250453.067829] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[250453.067831] RSP: 0018:ffff9f92cdfdbc70 EFLAGS: 00010293
[250453.067833] RAX: 0000000000000000 RBX: ffff9f92cdfdbd88 RCX: 0000000000000000
[250453.067834] RDX: 0000000085008003 RSI: 0000000000000000 RDI: 0000000000000000
[250453.067835] RBP: ffff9f92cdfdbc98 R08: 0000000000000000 R09: 0000000000ffff0a
[250453.067837] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[250453.067838] R13: ffff8f04d6fad500 R14: ffff8f0564756d00 R15: ffffffffc2d8c380
[250453.067840] FS:  00007f35c797ab00(0000) GS:ffff8f0a7ea00000(0000) knlGS:0000000000000000
[250453.067841] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[250453.067842] CR2: 00007fd4a7f91ff0 CR3: 0000000356de0003 CR4: 00000000001606f0
[250453.067844] Call Trace:
[250453.067851]  __video_do_ioctl+0x1a7/0x410 [videodev]
[250453.067858]  video_usercopy+0x2b5/0x670 [videodev]
[250453.067863]  ? v4l_s_fmt+0x670/0x670 [videodev]
[250453.067870]  video_ioctl2+0x15/0x20 [videodev]
[250453.067875]  v4l2_ioctl+0x4c/0x60 [videodev]
[250453.067878]  do_vfs_ioctl+0x407/0x670
[250453.067881]  ? putname+0x4a/0x50
[250453.067883]  ksys_ioctl+0x67/0x90
[250453.067885]  __x64_sys_ioctl+0x1a/0x20
[250453.067888]  do_syscall_64+0x57/0x190
[250453.067891]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[250453.067893] RIP: 0033:0x7f35c0e62007
[250453.067895] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[250453.067897] RSP: 002b:00007ffe057bd638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[250453.067899] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35c0e62007
[250453.067900] RDX: 00007ffe057bd6c8 RSI: ffffffff80685600 RDI: 0000000000000017
[250453.067901] RBP: 00007ffe057bd760 R08: 000055d6bc387a60 R09: 0000000000000000
[250453.067902] R10: 00007f35c1129b78 R11: 0000000000000246 R12: 00007ffe057bd6c8
[250453.067903] R13: 000055d6bc387b30 R14: 00007ffe057bd650 R15: 000055d6bc385cd0
[250453.067906] ---[ end trace df6fe33c3271da07 ]---
[250453.067919] ------------[ cut here ]------------
[250453.067924] WARNING: CPU: 0 PID: 2785129 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[250453.067925] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[250453.067948]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[250453.067968] CPU: 0 PID: 2785129 Comm: skypeforlinux Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[250453.067970] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[250453.067975] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[250453.067976] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[250453.067978] RSP: 0018:ffff9f92cdfdbc70 EFLAGS: 00010206
[250453.067979] RAX: 0000000000000000 RBX: ffff9f92cdfdbd88 RCX: 8520800085208000
[250453.067981] RDX: 0000000085008003 RSI: 0000000085008000 RDI: 0000000000000000
[250453.067982] RBP: ffff9f92cdfdbc98 R08: 0000000000000000 R09: 0000000000ffff0a
[250453.067983] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[250453.067984] R13: ffff8f04d6fad500 R14: ffff8f0564756d00 R15: ffffffffc2d8c380
[250453.067986] FS:  00007f35c797ab00(0000) GS:ffff8f0a7ea00000(0000) knlGS:0000000000000000
[250453.067987] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[250453.067989] CR2: 00007fd4a7f91ff0 CR3: 0000000356de0003 CR4: 00000000001606f0
[250453.067990] Call Trace:
[250453.067995]  __video_do_ioctl+0x1a7/0x410 [videodev]
[250453.068001]  video_usercopy+0x2b5/0x670 [videodev]
[250453.068006]  ? v4l_s_fmt+0x670/0x670 [videodev]
[250453.068012]  video_ioctl2+0x15/0x20 [videodev]
[250453.068017]  v4l2_ioctl+0x4c/0x60 [videodev]
[250453.068019]  do_vfs_ioctl+0x407/0x670
[250453.068021]  ? putname+0x4a/0x50
[250453.068023]  ksys_ioctl+0x67/0x90
[250453.068025]  __x64_sys_ioctl+0x1a/0x20
[250453.068027]  do_syscall_64+0x57/0x190
[250453.068030]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[250453.068031] RIP: 0033:0x7f35c0e62007
[250453.068033] Code: 00 00 00 48 8b 05 91 6e 2c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 6e 2c 00 f7 d8 64 89 01 48
[250453.068034] RSP: 002b:00007ffe057bd638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[250453.068036] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f35c0e62007
[250453.068037] RDX: 00007ffe057bd6c8 RSI: ffffffff80685600 RDI: 0000000000000017
[250453.068038] RBP: 00007ffe057bd760 R08: 000055d6bc387a60 R09: 0000000000000000
[250453.068040] R10: 00007f35c1129b78 R11: 0000000000000246 R12: 00007ffe057bd6c8
[250453.068041] R13: 000055d6bc387b30 R14: 00007ffe057bd650 R15: 000055d6bc385cd0
[250453.068043] ---[ end trace df6fe33c3271da08 ]---
[252101.218507] audit: type=1107 audit(1601830819.824:200): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[252101.220631] audit: type=1107 audit(1601830819.828:201): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[252101.264465] audit: type=1107 audit(1601830819.872:202): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[252392.475308] audit: type=1107 audit(1601831111.081:203): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[252392.489084] audit: type=1107 audit(1601831111.093:204): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[254836.099604] warn_alloc: 2 callbacks suppressed
[254836.099608] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[254836.099617] CPU: 6 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[254836.099618] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[254836.099620] Call Trace:
[254836.099628]  dump_stack+0x6d/0x9a
[254836.099633]  warn_alloc.cold+0x7b/0xdf
[254836.099636]  __alloc_pages_slowpath+0xe07/0xe50
[254836.099641]  ? __switch_to_asm+0x34/0x70
[254836.099643]  ? get_page_from_freelist+0x6b/0x390
[254836.099646]  __alloc_pages_nodemask+0x2d0/0x320
[254836.099649]  alloc_pages_current+0x87/0xe0
[254836.099651]  kmalloc_order+0x1f/0x80
[254836.099653]  kmalloc_order_trace+0x24/0xa0
[254836.099655]  ? __switch_to_asm+0x40/0x70
[254836.099657]  __kmalloc+0x220/0x280
[254836.099676]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[254836.099694]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[254836.099710]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[254836.099712]  ? prep_new_page+0x128/0x160
[254836.099715]  ? __alloc_pages_nodemask+0x173/0x320
[254836.099717]  ? alloc_pages_current+0x87/0xe0
[254836.099719]  ? kmalloc_order+0x63/0x80
[254836.099720]  ? kmalloc_order_trace+0x24/0xa0
[254836.099732]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[254836.099734]  ? __kmalloc+0x220/0x280
[254836.099746]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[254836.099764]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[254836.099776]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[254836.099778]  ? __kmalloc+0x220/0x280
[254836.099780]  ? _copy_from_user+0x3e/0x60
[254836.099792]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[254836.099804]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[254836.099816]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[254836.099828]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[254836.100014]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[254836.100017]  ? do_vfs_ioctl+0x407/0x670
[254836.100019]  ? __schedule+0x167/0x740
[254836.100022]  ? recalibrate_cpu_khz+0x10/0x10
[254836.100024]  ? ksys_ioctl+0x67/0x90
[254836.100026]  ? schedule+0x42/0xb0
[254836.100028]  ? __x64_sys_ioctl+0x1a/0x20
[254836.100030]  ? do_syscall_64+0x57/0x190
[254836.100033]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[254836.100043] Mem-Info:
[254836.100048] active_anon:1729294 inactive_anon:349326 isolated_anon:0
                 active_file:493508 inactive_file:727549 isolated_file:0
                 unevictable:30573 dirty:3195 writeback:0 unstable:0
                 slab_reclaimable:81142 slab_unreclaimable:570210
                 mapped:1302929 shmem:66356 pagetables:35545 bounce:0
                 free:156168 free_pcp:0 free_cma:0
[254836.100052] Node 0 active_anon:6917176kB inactive_anon:1397304kB active_file:1974032kB inactive_file:2910196kB unevictable:122292kB isolated(anon):0kB isolated(file):0kB mapped:5211716kB dirty:12780kB writeback:0kB shmem:265424kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[254836.100053] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[254836.100057] lowmem_reserve[]: 0 3366 31939 31939 31939
[254836.100059] Node 0 DMA32 free:121368kB min:7116kB low:10560kB high:14004kB active_anon:270896kB inactive_anon:16380kB active_file:25576kB inactive_file:82948kB unevictable:32kB writepending:1364kB present:3616584kB managed:3551048kB mlocked:32kB kernel_stack:368kB pagetables:1840kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[254836.100063] lowmem_reserve[]: 0 0 28573 28573 28573
[254836.100066] Node 0 Normal free:487412kB min:60432kB low:89688kB high:118944kB active_anon:6645988kB inactive_anon:1380924kB active_file:1948296kB inactive_file:2827344kB unevictable:122260kB writepending:11416kB present:29868032kB managed:29267296kB mlocked:122260kB kernel_stack:31120kB pagetables:140340kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[254836.100069] lowmem_reserve[]: 0 0 0 0 0
[254836.100071] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[254836.100078] Node 0 DMA32: 3302*4kB (UME) 940*8kB (UME) 1314*16kB (UME) 2360*32kB (UME) 66*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 121496kB
[254836.100085] Node 0 Normal: 27222*4kB (UMEH) 10455*8kB (UMEH) 3245*16kB (UMEH) 7576*32kB (UMEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 488672kB
[254836.100093] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[254836.100094] 1288551 total pagecache pages
[254836.100101] 3227 pages in swap cache
[254836.100102] Swap cache stats: add 37042, delete 33815, find 4360504/4365251
[254836.100103] Free swap  = 30509052kB
[254836.100104] Total swap = 30605308kB
[254836.100105] 8375149 pages RAM
[254836.100106] 0 pages HighMem/MovableOnly
[254836.100107] 166589 pages reserved
[254836.100108] 0 pages cma reserved
[254836.100109] 0 pages hwpoisoned
[254854.853908] audit: type=1107 audit(1601833573.434:205): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[254864.691481] audit: type=1107 audit(1601833583.273:206): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[255232.871274] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[255232.871280] CPU: 3 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[255232.871281] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[255232.871282] Call Trace:
[255232.871288]  dump_stack+0x6d/0x9a
[255232.871292]  warn_alloc.cold+0x7b/0xdf
[255232.871294]  __alloc_pages_slowpath+0xe07/0xe50
[255232.871297]  ? __switch_to_asm+0x34/0x70
[255232.871298]  ? __switch_to_asm+0x40/0x70
[255232.871299]  ? __switch_to_asm+0x40/0x70
[255232.871300]  ? __switch_to_asm+0x40/0x70
[255232.871302]  ? __switch_to_asm+0x34/0x70
[255232.871303]  ? __switch_to_asm+0x40/0x70
[255232.871304]  ? get_page_from_freelist+0x6b/0x390
[255232.871306]  __alloc_pages_nodemask+0x2d0/0x320
[255232.871308]  alloc_pages_current+0x87/0xe0
[255232.871310]  kmalloc_order+0x1f/0x80
[255232.871311]  kmalloc_order_trace+0x24/0xa0
[255232.871312]  __kmalloc+0x220/0x280
[255232.871314]  ? remove_wait_queue+0x47/0x50
[255232.871329]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[255232.871339]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[255232.871349]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[255232.871350]  ? prep_new_page+0x128/0x160
[255232.871352]  ? __alloc_pages_nodemask+0x173/0x320
[255232.871354]  ? alloc_pages_current+0x87/0xe0
[255232.871355]  ? kmalloc_order+0x63/0x80
[255232.871356]  ? kmalloc_order_trace+0x24/0xa0
[255232.871362]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255232.871363]  ? __kmalloc+0x220/0x280
[255232.871370]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255232.871381]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[255232.871388]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255232.871389]  ? __kmalloc+0x220/0x280
[255232.871391]  ? _copy_from_user+0x3e/0x60
[255232.871397]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255232.871404]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[255232.871419]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[255232.871426]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[255232.871555]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[255232.871557]  ? do_vfs_ioctl+0x407/0x670
[255232.871559]  ? __schedule+0x167/0x740
[255232.871561]  ? recalibrate_cpu_khz+0x10/0x10
[255232.871562]  ? ksys_ioctl+0x67/0x90
[255232.871563]  ? schedule+0x42/0xb0
[255232.871564]  ? __x64_sys_ioctl+0x1a/0x20
[255232.871566]  ? do_syscall_64+0x57/0x190
[255232.871568]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[255232.871569] Mem-Info:
[255232.871572] active_anon:1668108 inactive_anon:340502 isolated_anon:0
                 active_file:497503 inactive_file:747277 isolated_file:0
                 unevictable:30573 dirty:139 writeback:0 unstable:0
                 slab_reclaimable:81381 slab_unreclaimable:581361
                 mapped:1315383 shmem:55337 pagetables:35735 bounce:0
                 free:170758 free_pcp:0 free_cma:0
[255232.871575] Node 0 active_anon:6672432kB inactive_anon:1362008kB active_file:1990012kB inactive_file:2989108kB unevictable:122292kB isolated(anon):0kB isolated(file):0kB mapped:5261532kB dirty:556kB writeback:0kB shmem:221348kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[255232.871576] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255232.871578] lowmem_reserve[]: 0 3366 31939 31939 31939
[255232.871579] Node 0 DMA32 free:433720kB min:7116kB low:10560kB high:14004kB active_anon:310468kB inactive_anon:14688kB active_file:25732kB inactive_file:87576kB unevictable:32kB writepending:12kB present:3616584kB managed:3551048kB mlocked:32kB kernel_stack:192kB pagetables:1076kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255232.871581] lowmem_reserve[]: 0 0 28573 28573 28573
[255232.871583] Node 0 Normal free:233420kB min:60432kB low:89688kB high:118944kB active_anon:6361460kB inactive_anon:1347320kB active_file:1963988kB inactive_file:2901488kB unevictable:122260kB writepending:536kB present:29868032kB managed:29267296kB mlocked:122260kB kernel_stack:30736kB pagetables:141864kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255232.871585] lowmem_reserve[]: 0 0 0 0 0
[255232.871586] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[255232.871590] Node 0 DMA32: 10506*4kB (UE) 12620*8kB (UE) 9725*16kB (UE) 4223*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 433720kB
[255232.871594] Node 0 Normal: 5689*4kB (UMEH) 2338*8kB (UEH) 3940*16kB (UEH) 4007*32kB (UEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 234516kB
[255232.871599] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[255232.871599] 1301325 total pagecache pages
[255232.871604] 3225 pages in swap cache
[255232.871605] Swap cache stats: add 37051, delete 33826, find 4368570/4373317
[255232.871606] Free swap  = 30509052kB
[255232.871606] Total swap = 30605308kB
[255232.871607] 8375149 pages RAM
[255232.871608] 0 pages HighMem/MovableOnly
[255232.871608] 166589 pages reserved
[255232.871609] 0 pages cma reserved
[255232.871609] 0 pages hwpoisoned
[255251.287779] audit: type=1107 audit(1601833969.866:207): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[255260.899781] audit: type=1107 audit(1601833979.478:208): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[255298.930963] gnome-shell: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[255298.930972] CPU: 2 PID: 2810556 Comm: gnome-shell Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[255298.930973] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[255298.930974] Call Trace:
[255298.930983]  dump_stack+0x6d/0x9a
[255298.930987]  warn_alloc.cold+0x7b/0xdf
[255298.930990]  __alloc_pages_slowpath+0xe07/0xe50
[255298.930994]  ? __switch_to_asm+0x34/0x70
[255298.930996]  ? __switch_to_asm+0x40/0x70
[255298.930998]  ? __switch_to_asm+0x40/0x70
[255298.931000]  ? __switch_to_asm+0x40/0x70
[255298.931002]  ? __switch_to_asm+0x34/0x70
[255298.931004]  ? __switch_to_asm+0x40/0x70
[255298.931006]  ? get_page_from_freelist+0x6b/0x390
[255298.931009]  __alloc_pages_nodemask+0x2d0/0x320
[255298.931012]  alloc_pages_current+0x87/0xe0
[255298.931015]  kmalloc_order+0x1f/0x80
[255298.931017]  kmalloc_order_trace+0x24/0xa0
[255298.931019]  __kmalloc+0x220/0x280
[255298.931036]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[255298.931052]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[255298.931067]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[255298.931070]  ? prep_new_page+0x128/0x160
[255298.931073]  ? __alloc_pages_nodemask+0x173/0x320
[255298.931075]  ? alloc_pages_current+0x87/0xe0
[255298.931077]  ? kmalloc_order+0x63/0x80
[255298.931079]  ? kmalloc_order_trace+0x24/0xa0
[255298.931090]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255298.931092]  ? __kmalloc+0x220/0x280
[255298.931103]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255298.931121]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[255298.931132]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255298.931134]  ? __kmalloc+0x220/0x280
[255298.931137]  ? _copy_from_user+0x3e/0x60
[255298.931149]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255298.931160]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[255298.931172]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[255298.931185]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[255298.931352]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[255298.931355]  ? do_vfs_ioctl+0x407/0x670
[255298.931358]  ? __schedule+0x167/0x740
[255298.931360]  ? __cgroup_account_cputime+0x28/0x30
[255298.931363]  ? sched_clock_cpu+0x11/0xb0
[255298.931365]  ? ksys_ioctl+0x67/0x90
[255298.931366]  ? schedule+0x42/0xb0
[255298.931368]  ? __x64_sys_ioctl+0x1a/0x20
[255298.931371]  ? do_syscall_64+0x57/0x190
[255298.931373]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[255298.931376] Mem-Info:
[255298.931380] active_anon:1658498 inactive_anon:341918 isolated_anon:0
                 active_file:498435 inactive_file:748729 isolated_file:0
                 unevictable:30573 dirty:1903 writeback:0 unstable:0
                 slab_reclaimable:81610 slab_unreclaimable:577517
                 mapped:1316288 shmem:56431 pagetables:35707 bounce:0
                 free:126106 free_pcp:0 free_cma:0
[255298.931384] Node 0 active_anon:6633992kB inactive_anon:1367672kB active_file:1993740kB inactive_file:2994916kB unevictable:122292kB isolated(anon):0kB isolated(file):0kB mapped:5265152kB dirty:7612kB writeback:0kB shmem:225724kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[255298.931385] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255298.931389] lowmem_reserve[]: 0 3366 31939 31939 31939
[255298.931391] Node 0 DMA32 free:305244kB min:7116kB low:10560kB high:14004kB active_anon:324364kB inactive_anon:14708kB active_file:25740kB inactive_file:87708kB unevictable:32kB writepending:408kB present:3616584kB managed:3551048kB mlocked:32kB kernel_stack:224kB pagetables:1076kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255298.931395] lowmem_reserve[]: 0 0 28573 28573 28573
[255298.931397] Node 0 Normal free:183288kB min:60432kB low:89688kB high:118944kB active_anon:6310240kB inactive_anon:1352592kB active_file:1968728kB inactive_file:2906624kB unevictable:122260kB writepending:7204kB present:29868032kB managed:29267296kB mlocked:122260kB kernel_stack:31008kB pagetables:141752kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255298.931401] lowmem_reserve[]: 0 0 0 0 0
[255298.931403] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[255298.931410] Node 0 DMA32: 7039*4kB (UME) 12399*8kB (UME) 9585*16kB (UE) 777*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 305572kB
[255298.931417] Node 0 Normal: 8597*4kB (UMEH) 7467*8kB (UEH) 5310*16kB (UEH) 151*32kB (UEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 185708kB
[255298.931425] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[255298.931426] 1304655 total pagecache pages
[255298.931432] 3223 pages in swap cache
[255298.931434] Swap cache stats: add 37051, delete 33828, find 4369910/4374657
[255298.931434] Free swap  = 30509052kB
[255298.931435] Total swap = 30605308kB
[255298.931436] 8375149 pages RAM
[255298.931437] 0 pages HighMem/MovableOnly
[255298.931438] 166589 pages reserved
[255298.931439] 0 pages cma reserved
[255298.931440] 0 pages hwpoisoned
[255317.273391] audit: type=1107 audit(1601834035.849:209): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[255326.893435] audit: type=1107 audit(1601834045.469:210): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[255329.348764] Xorg: page allocation failure: order:4, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[255329.348772] CPU: 0 PID: 2810432 Comm: Xorg Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[255329.348774] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[255329.348775] Call Trace:
[255329.348783]  dump_stack+0x6d/0x9a
[255329.348788]  warn_alloc.cold+0x7b/0xdf
[255329.348791]  __alloc_pages_slowpath+0xe07/0xe50
[255329.349022]  ? _nv021313rm+0x28/0xf0 [nvidia]
[255329.349027]  ? get_page_from_freelist+0x6b/0x390
[255329.349030]  __alloc_pages_nodemask+0x2d0/0x320
[255329.349032]  alloc_pages_current+0x87/0xe0
[255329.349036]  kmalloc_order+0x1f/0x80
[255329.349038]  kmalloc_order_trace+0x24/0xa0
[255329.349326]  ? _nv007301rm+0xf9/0x1a0 [nvidia]
[255329.349329]  __kmalloc+0x220/0x280
[255329.349348]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[255329.349366]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[255329.349382]  ? _nv002589kms+0x4e/0x1610 [nvidia_modeset]
[255329.349385]  ? prep_new_page+0x128/0x160
[255329.349388]  ? __alloc_pages_nodemask+0x173/0x320
[255329.349390]  ? alloc_pages_current+0x87/0xe0
[255329.349393]  ? kmalloc_order+0x63/0x80
[255329.349394]  ? kmalloc_order_trace+0x24/0xa0
[255329.349407]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255329.349409]  ? __kmalloc+0x220/0x280
[255329.349425]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255329.349443]  ? _nv002687kms+0x906/0xae0 [nvidia_modeset]
[255329.349463]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255329.349465]  ? __kmalloc+0x220/0x280
[255329.349468]  ? _copy_from_user+0x3e/0x60
[255329.349479]  ? _nv000746kms+0x40/0x40 [nvidia_modeset]
[255329.349490]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[255329.349502]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[255329.349512]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[255329.349670]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[255329.349673]  ? do_vfs_ioctl+0x407/0x670
[255329.349677]  ? do_user_addr_fault+0x216/0x450
[255329.349679]  ? ksys_ioctl+0x67/0x90
[255329.349681]  ? __x64_sys_ioctl+0x1a/0x20
[255329.349684]  ? do_syscall_64+0x57/0x190
[255329.349688]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[255329.349690] Mem-Info:
[255329.349695] active_anon:1661320 inactive_anon:343924 isolated_anon:0
                 active_file:498679 inactive_file:749628 isolated_file:0
                 unevictable:30573 dirty:1839 writeback:0 unstable:0
                 slab_reclaimable:81575 slab_unreclaimable:581594
                 mapped:1317556 shmem:58448 pagetables:35834 bounce:0
                 free:112177 free_pcp:420 free_cma:0
[255329.349699] Node 0 active_anon:6645280kB inactive_anon:1375696kB active_file:1994716kB inactive_file:2998512kB unevictable:122292kB isolated(anon):0kB isolated(file):0kB mapped:5270224kB dirty:7356kB writeback:0kB shmem:233792kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[255329.349701] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255329.349704] lowmem_reserve[]: 0 3366 31939 31939 31939
[255329.349707] Node 0 DMA32 free:289340kB min:7116kB low:10560kB high:14004kB active_anon:323344kB inactive_anon:15132kB active_file:25760kB inactive_file:87812kB unevictable:32kB writepending:896kB present:3616584kB managed:3551048kB mlocked:32kB kernel_stack:192kB pagetables:1076kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[255329.349711] lowmem_reserve[]: 0 0 28573 28573 28573
[255329.349714] Node 0 Normal free:143476kB min:60432kB low:89688kB high:118944kB active_anon:6322936kB inactive_anon:1360244kB active_file:1969300kB inactive_file:2910700kB unevictable:122260kB writepending:6460kB present:29868032kB managed:29267296kB mlocked:122260kB kernel_stack:32172kB pagetables:142260kB bounce:0kB free_pcp:1680kB local_pcp:248kB free_cma:0kB
[255329.349718] lowmem_reserve[]: 0 0 0 0 0
[255329.349720] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[255329.349727] Node 0 DMA32: 7247*4kB (UME) 12602*8kB (UE) 9725*16kB (UE) 147*32kB (UE) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 290108kB
[255329.349734] Node 0 Normal: 592*4kB (UMH) 6747*8kB (UMH) 5023*16kB (UEH) 148*32kB (UEH) 4*64kB (H) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 143240kB
[255329.349743] Node 0 hugepages_total=128 hugepages_free=126 hugepages_surp=0 hugepages_size=2048kB
[255329.349744] 1307779 total pagecache pages
[255329.349750] 3223 pages in swap cache
[255329.349752] Swap cache stats: add 37051, delete 33828, find 4370549/4375296
[255329.349753] Free swap  = 30509052kB
[255329.349754] Total swap = 30605308kB
[255329.349755] 8375149 pages RAM
[255329.349756] 0 pages HighMem/MovableOnly
[255329.349756] 166589 pages reserved
[255329.349757] 0 pages cma reserved
[255329.349758] 0 pages hwpoisoned
[255361.001661] ------------[ cut here ]------------
[255361.001674] WARNING: CPU: 2 PID: 3128538 at drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[255361.001676] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[255361.001697]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[255361.001719] CPU: 2 PID: 3128538 Comm: gst-plugin-scan Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[255361.001721] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[255361.001727] RIP: 0010:v4l_querycap+0x8b/0xa0 [videodev]
[255361.001729] Code: 54 81 ca 00 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b eb d0 0f 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
[255361.001730] RSP: 0018:ffff9f92cefa7c70 EFLAGS: 00010293
[255361.001731] RAX: 0000000000000000 RBX: ffff9f92cefa7d88 RCX: 0000000000000000
[255361.001732] RDX: 0000000085008003 RSI: 0000000000000000 RDI: 0000000000000000
[255361.001733] RBP: ffff9f92cefa7c98 R08: 0000000000000000 R09: 0000000000ffff0a
[255361.001734] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[255361.001735] R13: ffff8f04658eaa00 R14: ffff8f0533b02780 R15: ffffffffc2d8c380
[255361.001737] FS:  00007f39fa82a340(0000) GS:ffff8f0a7ea80000(0000) knlGS:0000000000000000
[255361.001738] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[255361.001739] CR2: 000055b1785d6714 CR3: 00000005c6d66003 CR4: 00000000001606e0
[255361.001740] Call Trace:
[255361.001747]  __video_do_ioctl+0x1a7/0x410 [videodev]
[255361.001753]  video_usercopy+0x2b5/0x670 [videodev]
[255361.001757]  ? v4l_s_fmt+0x670/0x670 [videodev]
[255361.001762]  video_ioctl2+0x15/0x20 [videodev]
[255361.001767]  v4l2_ioctl+0x4c/0x60 [videodev]
[255361.001770]  do_vfs_ioctl+0x407/0x670
[255361.001772]  ? putname+0x4a/0x50
[255361.001774]  ksys_ioctl+0x67/0x90
[255361.001775]  __x64_sys_ioctl+0x1a/0x20
[255361.001778]  do_syscall_64+0x57/0x190
[255361.001781]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[255361.001782] RIP: 0033:0x7f39faba150b
[255361.001784] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[255361.001785] RSP: 002b:00007ffc16d96b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[255361.001787] RAX: ffffffffffffffda RBX: 0000562d18204190 RCX: 00007f39faba150b
[255361.001788] RDX: 00007ffc16d96b50 RSI: 0000000080685600 RDI: 0000000000000008
[255361.001789] RBP: 0000000000000008 R08: 00007f39fa57cb70 R09: 0000000000000060
[255361.001790] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d1820aed0
[255361.001791] R13: 0000562d181dfc80 R14: 00007f39fa81016a R15: 00007ffc16d96b50
[255361.001793] ---[ end trace df6fe33c3271da09 ]---
[255361.001807] ------------[ cut here ]------------
[255361.001813] WARNING: CPU: 2 PID: 3128538 at drivers/media/v4l2-core/v4l2-ioctl.c:1069 v4l_querycap+0x8f/0xa0 [videodev]
[255361.001813] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[255361.001830]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[255361.001846] CPU: 2 PID: 3128538 Comm: gst-plugin-scan Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[255361.001847] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[255361.001852] RIP: 0010:v4l_querycap+0x8f/0xa0 [videodev]
[255361.001853] Code: 00 00 80 48 b9 00 00 20 00 00 00 20 00 48 0b 4b 54 21 d6 39 f2 75 13 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b eb d0 <0f> 0b 48 89 4b 54 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00
[255361.001854] RSP: 0018:ffff9f92cefa7c70 EFLAGS: 00010206
[255361.001855] RAX: 0000000000000000 RBX: ffff9f92cefa7d88 RCX: 8520800085208000
[255361.001856] RDX: 0000000085008003 RSI: 0000000085008000 RDI: 0000000000000000
[255361.001857] RBP: ffff9f92cefa7c98 R08: 0000000000000000 R09: 0000000000ffff0a
[255361.001858] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8f0567ccf800
[255361.001859] R13: ffff8f04658eaa00 R14: ffff8f0533b02780 R15: ffffffffc2d8c380
[255361.001861] FS:  00007f39fa82a340(0000) GS:ffff8f0a7ea80000(0000) knlGS:0000000000000000
[255361.001862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[255361.001862] CR2: 000055b1785d6714 CR3: 00000005c6d66003 CR4: 00000000001606e0
[255361.001863] Call Trace:
[255361.001868]  __video_do_ioctl+0x1a7/0x410 [videodev]
[255361.001873]  video_usercopy+0x2b5/0x670 [videodev]
[255361.001877]  ? v4l_s_fmt+0x670/0x670 [videodev]
[255361.001882]  video_ioctl2+0x15/0x20 [videodev]
[255361.001886]  v4l2_ioctl+0x4c/0x60 [videodev]
[255361.001888]  do_vfs_ioctl+0x407/0x670
[255361.001890]  ? putname+0x4a/0x50
[255361.001892]  ksys_ioctl+0x67/0x90
[255361.001893]  __x64_sys_ioctl+0x1a/0x20
[255361.001895]  do_syscall_64+0x57/0x190
[255361.001898]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[255361.001899] RIP: 0033:0x7f39faba150b
[255361.001900] Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
[255361.001901] RSP: 002b:00007ffc16d96b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[255361.001902] RAX: ffffffffffffffda RBX: 0000562d18204190 RCX: 00007f39faba150b
[255361.001903] RDX: 00007ffc16d96b50 RSI: 0000000080685600 RDI: 0000000000000008
[255361.001904] RBP: 0000000000000008 R08: 00007f39fa57cb70 R09: 0000000000000060
[255361.001905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562d1820aed0
[255361.001906] R13: 0000562d181dfc80 R14: 00007f39fa81016a R15: 00007ffc16d96b50
[255361.001908] ---[ end trace df6fe33c3271da0a ]---
[264869.297165] gnome-control-c[3128529]: segfault at 7fffb39f4ff8 ip 00007faa2439b15d sp 00007fffb39f5000 error 6 in libc-2.31.so[7faa2432b000+178000]
[264869.297173] Code: fa 48 85 d2 0f 84 63 01 00 00 41 57 49 89 ff 41 56 49 89 d6 41 55 49 89 d5 41 54 4c 8d 25 4b 77 15 00 55 48 8d 2d ab 84 15 00 <53> 4c 29 e5 48 83 ec 18 eb 49 66 0f 1f 84 00 00 00 00 00 48 85 db
[270088.545571] audit: type=1400 audit(1601848806.983:211): apparmor="DENIED" operation="capable" profile="/usr/sbin/cups-browsed" pid=3508859 comm="cups-browsed" capability=23  capname="sys_nice"
[282263.587481] userif-3: sent link down event.
[282263.587488] userif-3: sent link up event.
[312284.984705] userif-3: sent link down event.
[312284.984711] userif-3: sent link up event.
[338404.113714] warn_alloc: 1 callbacks suppressed
[338404.113716] Xorg: page allocation failure: order:5, mode:0x40cc0(GFP_KERNEL|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0
[338404.113722] CPU: 5 PID: 2810432 Comm: Xorg Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[338404.113723] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[338404.113724] Call Trace:
[338404.113731]  dump_stack+0x6d/0x9a
[338404.113734]  warn_alloc.cold+0x7b/0xdf
[338404.113736]  __alloc_pages_slowpath+0xe07/0xe50
[338404.113738]  ? get_page_from_freelist+0x6b/0x390
[338404.113740]  __alloc_pages_nodemask+0x2d0/0x320
[338404.113742]  alloc_pages_current+0x87/0xe0
[338404.113744]  kmalloc_order+0x1f/0x80
[338404.113745]  kmalloc_order_trace+0x24/0xa0
[338404.113747]  __kmalloc+0x220/0x280
[338404.113762]  nvkms_alloc+0x24/0x60 [nvidia_modeset]
[338404.113774]  _nv002714kms+0x16/0x30 [nvidia_modeset]
[338404.113784]  ? _nv002830kms+0x66/0x1480 [nvidia_modeset]
[338404.113785]  ? alloc_pages_current+0x60/0xe0
[338404.113787]  ? kmalloc_order+0x63/0x80
[338404.113788]  ? kmalloc_order_trace+0x24/0xa0
[338404.113795]  ? _nv000568kms+0x50/0x50 [nvidia_modeset]
[338404.113801]  ? _nv000720kms+0x31/0xe0 [nvidia_modeset]
[338404.113808]  ? _nv000568kms+0x50/0x50 [nvidia_modeset]
[338404.113814]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[338404.113821]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[338404.113827]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[338404.113944]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[338404.113946]  ? do_vfs_ioctl+0x407/0x670
[338404.113948]  ? fput+0x13/0x15
[338404.113951]  ? __sys_recvmsg+0x88/0xa0
[338404.113952]  ? ksys_ioctl+0x67/0x90
[338404.113953]  ? __x64_sys_ioctl+0x1a/0x20
[338404.113955]  ? do_syscall_64+0x57/0x190
[338404.113958]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[338404.113960] Mem-Info:
[338404.113962] active_anon:1348209 inactive_anon:656631 isolated_anon:0
                 active_file:547182 inactive_file:303103 isolated_file:0
                 unevictable:13677 dirty:128 writeback:1 unstable:0
                 slab_reclaimable:128610 slab_unreclaimable:801843
                 mapped:620131 shmem:361778 pagetables:16079 bounce:0
                 free:1002757 free_pcp:7 free_cma:0
[338404.113965] Node 0 active_anon:5392836kB inactive_anon:2626524kB active_file:2188728kB inactive_file:1212412kB unevictable:54708kB isolated(anon):0kB isolated(file):0kB mapped:2480524kB dirty:512kB writeback:4kB shmem:1447112kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
[338404.113966] Node 0 DMA free:15892kB min:32kB low:44kB high:56kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15980kB managed:15896kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[338404.113968] lowmem_reserve[]: 0 3366 31939 31939 31939
[338404.113970] Node 0 DMA32 free:563488kB min:7116kB low:10560kB high:14004kB active_anon:337804kB inactive_anon:89256kB active_file:28156kB inactive_file:19260kB unevictable:16kB writepending:0kB present:3616584kB managed:3551048kB mlocked:16kB kernel_stack:176kB pagetables:1180kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[338404.113972] lowmem_reserve[]: 0 0 28573 28573 28573
[338404.113973] Node 0 Normal free:3431648kB min:60432kB low:89688kB high:118944kB active_anon:5055672kB inactive_anon:2536896kB active_file:2161232kB inactive_file:1193152kB unevictable:54692kB writepending:516kB present:29868032kB managed:29267296kB mlocked:54692kB kernel_stack:29696kB pagetables:63136kB bounce:0kB free_pcp:28kB local_pcp:0kB free_cma:0kB
[338404.113975] lowmem_reserve[]: 0 0 0 0 0
[338404.113976] Node 0 DMA: 1*4kB (U) 0*8kB 1*16kB (U) 0*32kB 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15892kB
[338404.113981] Node 0 DMA32: 8365*4kB (UME) 6526*8kB (UE) 7341*16kB (UE) 9640*32kB (U) 811*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 563508kB
[338404.113984] Node 0 Normal: 28608*4kB (UMEH) 111158*8kB (UMEH) 92739*16kB (UMEH) 21070*32kB (UMEH) 4223*64kB (UMH) 2*128kB (H) 3*256kB (H) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 3433568kB
[338404.113989] Node 0 hugepages_total=128 hugepages_free=128 hugepages_surp=0 hugepages_size=2048kB
[338404.113990] 1213196 total pagecache pages
[338404.113994] 3424 pages in swap cache
[338404.113995] Swap cache stats: add 44361, delete 40937, find 6047049/6052216
[338404.113996] Free swap  = 30485500kB
[338404.113996] Total swap = 30605308kB
[338404.113997] 8375149 pages RAM
[338404.113997] 0 pages HighMem/MovableOnly
[338404.113998] 166589 pages reserved
[338404.113998] 0 pages cma reserved
[338404.113999] 0 pages hwpoisoned
[338404.114008] BUG: unable to handle page fault for address: 000000000000a580
[338404.114009] #PF: supervisor read access in kernel mode
[338404.114009] #PF: error_code(0x0000) - not-present page
[338404.114010] PGD 0 P4D 0 
[338404.114012] Oops: 0000 [#1] SMP PTI
[338404.114013] CPU: 5 PID: 2810432 Comm: Xorg Tainted: P        WC OE     5.4.0-48-generic #52-Ubuntu
[338404.114014] Hardware name: System manufacturer System Product Name/P8C WS, BIOS 3601 04/17/2014
[338404.114026] RIP: 0010:_nv002666kms+0x60/0x100 [nvidia_modeset]
[338404.114027] Code: eb 40 0f 1f 84 00 00 00 00 00 48 c7 03 00 00 00 00 c6 43 08 00 41 8b 86 d0 00 00 00 83 c5 01 48 81 c3 98 05 00 00 39 e8 76 18 <48> 8b 3b 48 85 ff 74 ea 80 7b 08 00 75 d2 e8 bd d3 ff ff eb cb 0f
[338404.114028] RSP: 0018:ffff9f92c1253c30 EFLAGS: 00010202
[338404.114029] RAX: 0000000000000004 RBX: 000000000000a580 RCX: 0000000000000004
[338404.114030] RDX: 0000000000000001 RSI: 000000000000a580 RDI: ffff8f0a300cb008
[338404.114031] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[338404.114031] R10: 0000000000000004 R11: ffff9f92c12537a0 R12: 000000000000a580
[338404.114032] R13: 000000000000a580 R14: ffff8f0a300cb008 R15: 0000000000000001
[338404.114033] FS:  00007f5809b82a80(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[338404.114034] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[338404.114035] CR2: 000000000000a580 CR3: 000000075408e001 CR4: 00000000001606e0
[338404.114035] Call Trace:
[338404.114045]  ? _nv002830kms+0x3ca/0x1480 [nvidia_modeset]
[338404.114047]  ? kmalloc_order+0x63/0x80
[338404.114048]  ? kmalloc_order_trace+0x24/0xa0
[338404.114055]  ? _nv000568kms+0x50/0x50 [nvidia_modeset]
[338404.114061]  ? _nv000720kms+0x31/0xe0 [nvidia_modeset]
[338404.114067]  ? _nv000568kms+0x50/0x50 [nvidia_modeset]
[338404.114074]  ? nvKmsIoctl+0x96/0x1d0 [nvidia_modeset]
[338404.114080]  ? nvkms_ioctl_common+0x42/0x80 [nvidia_modeset]
[338404.114087]  ? nvkms_ioctl+0xc4/0x100 [nvidia_modeset]
[338404.114186]  ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
[338404.114187]  ? do_vfs_ioctl+0x407/0x670
[338404.114189]  ? fput+0x13/0x15
[338404.114192]  ? __sys_recvmsg+0x88/0xa0
[338404.114193]  ? ksys_ioctl+0x67/0x90
[338404.114194]  ? __x64_sys_ioctl+0x1a/0x20
[338404.114196]  ? do_syscall_64+0x57/0x190
[338404.114199]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[338404.114200] Modules linked in: v4l2loopback(OE) uvcvideo bnep bluetooth ecdh_generic ecc xt_conntrack nf_conntrack_netlink nfnetlink xfrm_user xfrm_algo xt_addrtype br_netfilter xt_CHECKSUM iptable_mangle xt_tcpudp xt_comment vmnet(OE) aufs vmw_vsock_vmci_transport vsock vmw_vmci iptable_filter iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c bpfilter vmmon(OE) overlay bridge stp llc binfmt_misc zfs(PO) zunicode(PO) zavl(PO) icp(PO) zcommon(PO) znvpair(PO) spl(O) zlua(PO) intel_rapl_msr mei_hdcp snd_hda_codec_hdmi nls_iso8859_1 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm rapl intel_cstate eeepc_wmi asus_wmi sparse_keymap wmi_bmof snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_usb_audio snd_virtuoso snd_oxygen_lib snd_hda_core snd_usbmidi_lib snd_mpu401_uart snd_hwdep snd_seq_midi pl2303 snd_seq_midi_event ch341 cdc_acm usbserial snd_rawmidi videobuf2_vmalloc snd_seq snd_pcm videobuf2_memops input_leds videobuf2_v4l2
[338404.114222]  snd_seq_device videobuf2_common joydev snd_timer snd soundcore mei_me mei ie31200_edac mac_hid nvidia_uvm(OE) sch_fq_codel videodev mc nct6775 hwmon_vid jc42 coretemp parport_pc ppdev lp parport binder_linux ashmem_linux(CE) ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj dm_crypt hid_generic usbhid hid nvidia_drm(POE) nvidia_modeset(POE) crct10dif_pclmul crc32_pclmul ghash_clmulni_intel nvidia(POE) aesni_intel drm_kms_helper crypto_simd firewire_ohci cryptd glue_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ahci i2c_i801 drm e1000e firewire_core libahci lpc_ich megaraid_sas crc_itu_t wmi video [last unloaded: v4l2loopback]
[338404.114240] CR2: 000000000000a580
[338404.114241] ---[ end trace df6fe33c3271da0b ]---
[338404.114253] RIP: 0010:_nv002666kms+0x60/0x100 [nvidia_modeset]
[338404.114254] Code: eb 40 0f 1f 84 00 00 00 00 00 48 c7 03 00 00 00 00 c6 43 08 00 41 8b 86 d0 00 00 00 83 c5 01 48 81 c3 98 05 00 00 39 e8 76 18 <48> 8b 3b 48 85 ff 74 ea 80 7b 08 00 75 d2 e8 bd d3 ff ff eb cb 0f
[338404.114255] RSP: 0018:ffff9f92c1253c30 EFLAGS: 00010202
[338404.114256] RAX: 0000000000000004 RBX: 000000000000a580 RCX: 0000000000000004
[338404.114257] RDX: 0000000000000001 RSI: 000000000000a580 RDI: ffff8f0a300cb008
[338404.114257] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[338404.114258] R10: 0000000000000004 R11: ffff9f92c12537a0 R12: 000000000000a580
[338404.114259] R13: 000000000000a580 R14: ffff8f0a300cb008 R15: 0000000000000001
[338404.114260] FS:  00007f5809b82a80(0000) GS:ffff8f0a7eb40000(0000) knlGS:0000000000000000
[338404.114260] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[338404.114261] CR2: 000000000000a580 CR3: 000000075408e001 CR4: 00000000001606e0
[338514.409474] GpuWatchdog[2888357]: segfault at 0 ip 00005629094ee307 sp 00007f120a34f730 error 6 in skypeforlinux[5629063f5000+53c3000]
[338514.409481] Code: 7d b7 00 79 09 48 8b 7d a0 e8 25 6e e1 fe 8b 83 00 01 00 00 85 c0 0f 84 91 00 00 00 48 8b 03 48 89 df be 01 00 00 00 ff 50 68 <c7> 04 25 00 00 00 00 37 13 00 00 c6 05 07 cc 78 02 01 80 7d 87 00
[339935.265396] audit: type=1107 audit(1601918653.015:212): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'
[339935.292140] audit: type=1107 audit(1601918653.043:213): pid=2521 uid=106 auid=4294967295 ses=4294967295 msg='apparmor="DENIED" operation="dbus_signal"  bus="system" path="/org/freedesktop/NetworkManager" interface="org.freedesktop.NetworkManager" member="CheckPermissions" name=":1.8" mask="receive" pid=2813595 label="snap.spotify.spotify" peer_pid=2524 peer_label="unconfined"
                 exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=? terminal=?'