Aug 18 22:51:54 gravitycat kernel: [174183.256283] [TTM] Buffer eviction failed Aug 18 22:52:09 gravitycat kernel: [174198.360294] [TTM] Buffer eviction failed Aug 18 22:52:25 gravitycat kernel: [174213.464449] [TTM] Buffer eviction failed Aug 18 22:52:40 gravitycat kernel: [174228.568500] [TTM] Buffer eviction failed Aug 18 22:52:55 gravitycat kernel: [174243.672640] [TTM] Buffer eviction failed Aug 18 22:53:10 gravitycat kernel: [174258.778422] ------------[ cut here ]------------ Aug 18 22:53:10 gravitycat kernel: [174258.778432] Trying to vfree() bad address (00000000bf3375f7) Aug 18 22:53:10 gravitycat kernel: [174258.778453] WARNING: CPU: 3 PID: 14950 at mm/vmalloc.c:2263 __vunmap+0x263/0x280 Aug 18 22:53:10 gravitycat kernel: [174258.778487] Modules linked in: snd_hrtimer snd_seq_dummy snd_usb_audio snd_usbmidi_lib nft_chain_nat xt_MASQUERADE nf_conntrack_netlink xfrm_user xfrm_algo nft_counter xt_addrtype nft_compat nf_tables nfnetlink xt_conntrack nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c br_netfilter bridge stp llc overlay intel_powerclamp kvm_intel binfmt_misc snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic kvm ledtrig_audio snd_hda_intel snd_intel_dspcfg intel_cstate soundwire_intel soundwire_generic_allocation soundwire_cadence snd_hda_codec snd_hda_core snd_hwdep soundwire_bus snd_soc_core snd_compress ac97_bus snd_pcm_dmaengine snd_pcm samsung_laptop snd_seq_midi snd_seq_midi_event snd_rawmidi uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_seq videobuf2_common videodev mc input_leds snd_seq_device wl(POE) snd_timer joydev serio_raw btusb btrtl btbcm btintel bluetooth snd cfg80211 at24 ecdh_generic ecc soundcore mac_hid sch_fq_codel cuse coretemp msr Aug 18 22:53:10 gravitycat kernel: [174258.778685] parport_pc ppdev lp parport ip_tables x_tables autofs4 hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid nouveau mxm_wmi i2c_algo_bit drm_ttm_helper ttm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops cec rc_core gpio_ich drm ahci i2c_i801 psmouse wmi i2c_smbus lpc_ich sky2 libahci video Aug 18 22:53:10 gravitycat kernel: [174258.778771] CPU: 3 PID: 14950 Comm: chrome:disk$0 Kdump: loaded Tainted: P W OE 5.11.0-31-generic #33-Ubuntu Aug 18 22:53:10 gravitycat kernel: [174258.778781] Hardware name: SAMSUNG ELECTRONICS CO., LTD. Q430/Q530 /Q430/Q530 , BIOS 02KF.M008.20100529.KSJ 05/29/2010 Aug 18 22:53:10 gravitycat kernel: [174258.778786] RIP: 0010:__vunmap+0x263/0x280 Aug 18 22:53:10 gravitycat kernel: [174258.778802] Code: 01 00 74 a8 e8 8e be 98 00 31 d2 31 f6 48 c7 c7 ff ff ff ff e8 1e cf ff ff eb 91 48 89 fe 48 c7 c7 b0 aa 1d 97 e8 b6 58 92 00 <0f> 0b eb 86 4c 89 ee 48 c7 c7 d8 aa 1d 97 e8 a3 58 92 00 0f 0b e9 Aug 18 22:53:10 gravitycat kernel: [174258.778808] RSP: 0018:ffffaa0c0aa5fa00 EFLAGS: 00010286 Aug 18 22:53:10 gravitycat kernel: [174258.778813] RAX: 0000000000000000 RBX: ffff9589f41e3600 RCX: ffff958b5bd98ac8 Aug 18 22:53:10 gravitycat kernel: [174258.778817] RDX: 00000000ffffffd8 RSI: 0000000000000027 RDI: ffff958b5bd98ac0 Aug 18 22:53:10 gravitycat kernel: [174258.778820] RBP: ffffaa0c0aa5fa28 R08: 0000000000000000 R09: ffffaa0c0aa5f7e0 Aug 18 22:53:10 gravitycat kernel: [174258.778824] R10: ffffaa0c0aa5f7d8 R11: ffffffff97953588 R12: 0000000000000f60 Aug 18 22:53:10 gravitycat kernel: [174258.778829] R13: ffff958a50ab8f60 R14: 0000000000000080 R15: ffffaa0c0aa5faf0 Aug 18 22:53:10 gravitycat kernel: [174258.778833] FS: 00007fce75c78700(0000) GS:ffff958b5bd80000(0000) knlGS:0000000000000000 Aug 18 22:53:10 gravitycat kernel: [174258.778840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Aug 18 22:53:10 gravitycat kernel: [174258.778848] CR2: 00000f8d293d7138 CR3: 0000000085afa000 CR4: 00000000000006e0 Aug 18 22:53:10 gravitycat kernel: [174258.778853] Call Trace: Aug 18 22:53:10 gravitycat kernel: [174258.778864] vunmap+0x30/0x40 Aug 18 22:53:10 gravitycat kernel: [174258.778873] nvkm_umem_unmap+0x51/0x70 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.779093] nvkm_object_unmap+0x1a/0x30 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.779253] nvkm_ioctl_unmap+0x2e/0x40 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.779407] nvkm_ioctl+0xe4/0x180 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.779563] nvkm_client_ioctl+0x12/0x20 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.779776] nvif_object_unmap_handle+0x6a/0x80 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.779927] nouveau_ttm_io_mem_free+0x4e/0x80 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.780142] ttm_mem_io_free+0x30/0x50 [ttm] Aug 18 22:53:10 gravitycat kernel: [174258.780167] ttm_bo_release+0x2bf/0x320 [ttm] Aug 18 22:53:10 gravitycat kernel: [174258.780183] ttm_bo_put+0x30/0x50 [ttm] Aug 18 22:53:10 gravitycat kernel: [174258.780197] nouveau_gem_object_del+0x58/0x90 [nouveau] Aug 18 22:53:10 gravitycat kernel: [174258.780412] drm_gem_object_free+0x1d/0x30 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.780575] drm_gem_object_handle_put_unlocked+0xc5/0xe0 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.780650] drm_gem_object_release_handle+0x71/0x80 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.780724] ? drm_gem_object_handle_put_unlocked+0xe0/0xe0 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.780787] idr_for_each+0x60/0xd0 Aug 18 22:53:10 gravitycat kernel: [174258.780797] drm_gem_release+0x21/0x30 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.780871] drm_file_free.part.0+0x124/0x140 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.780945] drm_close_helper.isra.0+0x65/0x70 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.781016] drm_release+0x6a/0x110 [drm] Aug 18 22:53:10 gravitycat kernel: [174258.781098] __fput+0x9f/0x250 Aug 18 22:53:10 gravitycat kernel: [174258.781105] ____fput+0xe/0x10 Aug 18 22:53:10 gravitycat kernel: [174258.781111] task_work_run+0x6d/0xa0 Aug 18 22:53:10 gravitycat kernel: [174258.781119] do_exit+0x233/0x3e0 Aug 18 22:53:10 gravitycat kernel: [174258.781127] ? futex_wait+0x12c/0x260 Aug 18 22:53:10 gravitycat kernel: [174258.781135] do_group_exit+0x3b/0xb0 Aug 18 22:53:10 gravitycat kernel: [174258.781142] get_signal+0x15c/0x600 Aug 18 22:53:10 gravitycat kernel: [174258.781150] arch_do_signal_or_restart+0xe9/0x1d0 Aug 18 22:53:10 gravitycat kernel: [174258.781158] ? do_futex+0x124/0x1f0 Aug 18 22:53:10 gravitycat kernel: [174258.781166] exit_to_user_mode_loop+0xc4/0x160 Aug 18 22:53:10 gravitycat kernel: [174258.781175] exit_to_user_mode_prepare+0x85/0x90 Aug 18 22:53:10 gravitycat kernel: [174258.781182] syscall_exit_to_user_mode+0x27/0x50 Aug 18 22:53:10 gravitycat kernel: [174258.781192] do_syscall_64+0x45/0x90 Aug 18 22:53:10 gravitycat kernel: [174258.781197] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Aug 18 22:53:10 gravitycat kernel: [174258.781206] RIP: 0033:0x7fce91c6ead3 Aug 18 22:53:10 gravitycat kernel: [174258.781213] Code: Unable to access opcode bytes at RIP 0x7fce91c6eaa9. Aug 18 22:53:10 gravitycat kernel: [174258.781215] RSP: 002b:00007fce75c778d0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca Aug 18 22:53:10 gravitycat kernel: [174258.781222] RAX: fffffffffffffe00 RBX: 0000558a4b6816d0 RCX: 00007fce91c6ead3 Aug 18 22:53:10 gravitycat kernel: [174258.781226] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000558a4b6816fc Aug 18 22:53:10 gravitycat kernel: [174258.781229] RBP: 0000558a4b6816f4 R08: 0000000000000001 R09: 0000000000000000 Aug 18 22:53:10 gravitycat kernel: [174258.781232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a4b6816fc Aug 18 22:53:10 gravitycat kernel: [174258.781236] R13: 0000000000000000 R14: 0000558a4b6816a8 R15: 000000000000000b Aug 18 22:53:10 gravitycat kernel: [174258.781255] ---[ end trace 57662ca5129b9b97 ]---