[ 10.390355] console [netcon0] enabled [ 10.390372] netconsole: network logging started [ 21.258843] vboxdrv: Found 6 processor cores. [ 21.259502] vboxdrv: fAsync=0 offMin=0x4de offMax=0x5b04 [ 21.259825] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 21.259955] vboxdrv: Successfully loaded version 4.3.2_Ubuntu (interface 0x001a0005). [ 21.307379] vboxpci: IOMMU not found (not registered) [ 21.968678] ip_tables: (C) 2000-2006 Netfilter Core Team [ 21.998096] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 23.444705] init: plymouth-stop pre-start process (2828) terminated with status 1 [ 138.709154] init: smbd main process (800) killed by TERM signal [ 138.711529] init: tty4 main process (1140) killed by TERM signal [ 138.712133] init: tty5 main process (1149) killed by TERM signal [ 138.712781] init: tty2 main process (1168) killed by TERM signal [ 138.713453] init: tty3 main process (1170) killed by TERM signal [ 138.714108] init: tty6 main process (1189) killed by TERM signal [ 138.714755] init: cron main process (1246) killed by TERM signal [ 138.715879] init: irqbalance main process (1308) killed by TERM signal [ 138.717542] init: tty1 main process (2829) killed by TERM signal [ 138.720905] init: plymouth-upstart-bridge main process (3964) terminated with status 1 [ 145.049675] init: plymouth-ready (started) main process (4033) terminated with status 143 [ 145.084027] show_signal_msg: 186 callbacks suppressed [ 145.084081] vpnagentd[2408]: segfault at 0 ip (null) sp 00007fffb4fcf920 error 14 in vpnagentd[400000+9a000] [ 145.301152] init: systemd-logind main process (533) killed by TERM signal [ 145.308101] init: Disconnected from D-Bus system bus [ 145.841707] kvm: exiting hardware virtualization [ 145.842189] sd 2:0:0:0: [sdb] Synchronizing SCSI cache [ 145.843905] sd 0:0:0:0: [sda] Synchronizing SCSI cache [ 11.878889] console [netcon0] enabled [ 11.878917] netconsole: network logging started [ 13.065182] CE: hpet increased min_delta_ns to 20115 nsec [ 22.340603] vboxdrv: Found 6 processor cores. [ 22.342540] vboxdrv: fAsync=0 offMin=0x2e0 offMax=0x38dd [ 22.342663] vboxdrv: TSC mode is 'synchronous', kernel timer mode is 'normal'. [ 22.342668] vboxdrv: Successfully loaded version 4.3.2_Ubuntu (interface 0x001a0005). [ 22.376209] vboxpci: IOMMU not found (not registered) [ 23.627116] ip_tables: (C) 2000-2006 Netfilter Core Team [ 23.652736] ip6_tables: (C) 2000-2006 Netfilter Core Team [ 24.091292] init: plymouth-stop pre-start process (3497) terminated with status 1 [ 633.059739] ------------[ cut here ]------------ [ 633.059764] WARNING: CPU: 4 PID: 97 at /build/buildd/linux-3.13.0/kernel/watchdog.c:245 watchdog_overflow_callback+0x9c/0xd0() [ 633.059773] Watchdog detected hard LOCKUP on cpu 4 [ 633.059776] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4[ 633.059876] ------------[ cut here ]------------ [ 633.059881] WARNING: CPU: 4 PID: 97 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 633.059881] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 633.059913] CPU: 4 PID: 97 Comm: irq/17-ehci_hcd Tainted: PF C O 3.13.0-6-lowlatency #23-Ubuntu [ 633.059914] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 633.059915] 0000000000000009 ffff88033fd06850 ffffffff8170e73d 0000000000000000 [ 633.059919] ffff88033fd06888 ffffffff810666ed ffff8802cf778e00 ffff8802cf778e00 [ 633.059921] 0000000010000000 0000000000003d55 ffff8803294e72a0 ffff88033fd06898 [ 633.059924] Call Trace: [ 633.059925] [] dump_stack+0x4d/0x6f [ 633.059931] [] warn_slowpath_common+0x7d/0xa0 [ 633.059935] [] warn_slowpath_null+0x1a/0x20 [ 633.059937] [] skb_release_head_state+0xdf/0xf0 [ 633.059939] [] skb_release_all+0x12/0x30 [ 633.059942] [] consume_skb+0x2c/0xa0 [ 633.059946] [] rtl8169_poll+0x49a/0x680 [r8169] [ 633.059953] [] netpoll_poll_dev+0x1b6/0x9d0 [ 633.059956] [] netpoll_send_skb_on_dev+0x301/0x430 [ 633.059959] [] netpoll_send_udp+0x27a/0x390 [ 633.059962] [] write_msg+0xcf/0x120 [netconsole] [ 633.059966] [] call_console_drivers.constprop.19+0x93/0x110 [ 633.059970] [] console_unlock+0x2ae/0x400 [ 633.059972] [] vprintk_emit+0x2be/0x530 [ 633.059975] [] ? watchdog_overflow_callback+0x9c/0xd0 [ 633.059977] [] printk+0x67/0x69 [ 633.059980] [] print_modules+0xc0/0xe0 [ 633.059983] [] warn_slowpath_common+0x78/0xa0 [ 633.059986] [] warn_slowpath_fmt+0x4c/0x50 [ 633.059988] [] ? restart_watchdog_hrtimer+0x50/0x50 [ 633.059990] [] watchdog_overflow_callback+0x9c/0xd0 [ 633.059992] [] __perf_event_overflow+0x8e/0x230 [ 633.059995] [] ? perf_event_update_userpage+0xc2/0x130 [ 633.059998] [] perf_event_overflow+0x14/0x20 [ 633.060000] [] x86_pmu_handle_irq+0x144/0x190 [ 633.060003] [] perf_event_nmi_handler+0x2b/0x50 [ 633.060006] [] nmi_handle.isra.3+0x88/0x1a0 [ 633.060009] [] do_nmi+0xd0/0x340 [ 633.060011] [] end_repeat_nmi+0x1e/0x2e [ 633.060013] [] ? _raw_spin_lock_irqsave+0x48/0x60 [ 633.060016] [] ? _raw_spin_lock_irqsave+0x48/0x60 [ 633.060018] [] ? _raw_spin_lock_irqsave+0x48/0x60 [ 633.060020] <> [] ehci_hrtimer_func+0x2c/0xd0 [ 633.060024] [] ? __remove_hrtimer+0x46/0xa0 [ 633.060027] [] __run_hrtimer+0x77/0x250 [ 633.060028] [] ? ehci_enable_event+0x80/0x80 [ 633.060030] ip_tables [] ? usb_hcd_giveback_urb+0x5/0x140 [ 641.060905] perf samples too long (32661 > 5000), lowering kernel.perf_event_max_sample_rate to 25000 [ 649.062075] perf samples too long (32409 > 10000), lowering kernel.perf_event_max_sample_rate to 13000 [ 652.254312] BUG: soft lockup - CPU#3 stuck for 22s! [kmix:6351] [ 652.254328] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF)[ 652.254380] ------------[ cut here ]------------ [ 652.254387] WARNING: CPU: 3 PID: 6351 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 652.254387] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 652.254425] CPU: 3 PID: 6351 Comm: kmix Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 652.254426] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 652.254427] 0000000000000009 ffff88033fcc3ab8 ffffffff8170e73d 0000000000000000 [ 652.254431] ffff88033fcc3af0 ffffffff810666ed ffff8802c6f18300 ffff8802c6f18300 [ 652.254434] 0000000010000000 0000000000003f7d ffff8803294e7520 ffff88033fcc3b00 [] dump_stack+0x4d/0x6f [ 652.254444] [] warn_slowpath_common+0x7d/0xa0 [ 652.254448] [] warn_slowpath_null+0x1a/0x20 [ 652.254450] [] skb_release_head_state+0xdf/0xf0 [ 652.254453] [] skb_release_all+0x12/0x30 [ 652.254455] [] consume_skb+0x2c/0xa0 [ 652.254458] [] rtl8169_poll+0x49a/0x680 [r8169] [ 652.254465] [] netpoll_poll_dev+0x1b6/0x9d0 [ 652.254468] [] netpoll_send_skb_on_dev+0x301/0x430 [ 652.254472] [] netpoll_send_udp+0x27a/0x390 [ 652.254475] [] write_msg+0xcf/0x120 [netconsole] [ 652.254479] [] call_console_drivers.constprop.19+0x93/0x110 [ 652.254483] [] console_unlock+0x2ae/0x400 [] printk+0x67/0x69 [ 652.254490] [] print_modules+0xc0/0xe0 [ 652.254493] [] watchdog_timer_fn+0x120/0x170 [ 652.254496] [] __run_hrtimer+0x77/0x250 [ 652.254499] [] ? watchdog_cleanup+0x10/0x10 [ 652.254501] [] hrtimer_interrupt+0xef/0x230 [ 652.254503] [] local_apic_timer_interrupt+0x37/0x60 [ 652.254506] [] smp_apic_timer_interrupt+0x3f/0x60 [ 652.254509] [] apic_timer_interrupt+0x6d/0x80 [ 652.254512] [] ? generic_exec_single+0x82/0xb0 [ 652.254515] [] ? leave_mm+0x80/0x80 [ 652.254518] [] smp_call_function_single+0xf5/0x1b0 [ 652.254520] [] ? leave_mm+0x80/0x80 [ 652.254522] [] smp_call_function_many+0x286/0x2d0 [ 652.254524] [] flush_tlb_page+0x5e/0xd0 [ 652.254530] [] ptep_clear_flush+0x48/0x60 [ 652.254532] [] do_wp_page+0x27a/0x7f0 [ 652.254534] [] handle_pte_fault+0x2a3/0xa20 [ 652.254536] [] ? __pte_alloc+0xbd/0x170 [ 652.254538] [] handle_mm_fault+0x343/0x4b0 [ 652.254540] [] __do_page_fault+0x167/0x5b0 [ 652.254542] [] ? acct_account_cputime+0x1c/0x20 [ 652.254545] [] ? account_user_time+0x8b/0xa0 [ 652.254548] [] ? vtime_account_user+0x54/0x60 [ 652.254550] [] do_page_fault+0x1a/0x70 [ 652.254552] [] page_fault+0x28/0x30 [ 652.254555] ---[ end trace e4c6421c6c03db04 ]--- [ 652.254558] ------------[ cut here ]------------ [ 652.254561] WARNING: CPU: 3 PID: 6351 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 652.254561] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm amd_iommu_v2 configfs[ 656.240568] BUG: soft lockup - CPU#2 stuck for 23s! [alsa-sink-HDMI :6221] [ 656.240590] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 656.241084] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 656.241094] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 656.241104] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 656.241113] RIP: 0010:[] [] smp_call_function_many+0x26e/0x2d0 [ 656.241135] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 656.241144] RAX: 0000000000000004 RBX: 0000000000000297 RCX: ffff88033fd184a0 [ 656.241152] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 656.241160] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 656.241166] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000000 [ 656.241173] R13: ffff88033fff8e00 R14: 6e69732d61736c61 R15: 0000000000000000 [ 656.241180] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 656.241187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 656.241193] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 656.241202] Stack: [ 656.241209] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 656.241238] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 656.241260] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 656.241276] Call Trace: [ 656.241291] [] ? flush_tlb_func+0xc0/0xc0 [ 656.241383] [] ? flush_tlb_func+0xc0/0xc0 [ 656.241392] [] smp_call_function+0x2a/0x50 [ 656.241402] [] on_each_cpu+0x23/0x80 [ 656.241415] [] flush_tlb_kernel_range+0x4a/0x70 [ 656.241428] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 656.241441] [] vm_unmap_aliases+0x167/0x180 [ 656.241453] [] change_page_attr_set_clr+0xb7/0x470 [ 656.241465] [] set_pages_array_wb+0x35/0x90 [ 656.241482] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 656.241498] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 656.241520] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 656.241532] [] ? free_pages+0x13/0x20 [ 656.241543] [] ? tlb_finish_mmu+0x35/0x60 [ 656.241554] [] ? unmap_region+0xd3/0x110 [ 656.241576] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 656.241593] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 656.241605] [] do_vfs_ioctl+0x2e0/0x4c0 [ 656.241617] [] ? vtime_account_user+0x54/0x60 [ 656.241629] [] SyS_ioctl+0x81/0xa0 [ 656.241642] [] tracesys+0xe1/0xe6 [ 656.241649] Code: 3b 05 6f 43 c3 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 e6 d0 81 f6 41 20 01 74 cb 0f 1f 00 f3 90 f6 41 20 01 <75> f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef 48 8b 75 c8 e8 9a [ 657.063245] perf samples too long (32158 > 19230), lowering kernel.perf_event_max_sample_rate to 7000 [ 665.885286] ------------[ cut here ]------------ [ 665.885450] WARNING: CPU: 0 PID: 3 at /build/buildd/linux-3.13.0/net/sched/sch_generic.c:264 dev_watchdog+0x276/0x280() [ 665.885461] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out [ 665.885469] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 665.885835] CPU: 0 PID: 3 Comm: ksoftirqd/0 Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 665.885845] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 665.885854] 0000000000000009 ffff88032e53fc80 ffffffff8170e73d ffff88032e53fcc8 [ 665.885883] ffff88032e53fcb8 ffffffff810666ed 0000000000000000 ffff8803294e6000 [ 665.885909] ffff880329691480 0000000000000001 0000000000000000 ffff88032e53fd18 [ 665.885953] [] dump_stack+0x4d/0x6f [ 665.885969] [] warn_slowpath_common+0x7d/0xa0 [ 665.885982] [] warn_slowpath_fmt+0x4c/0x50 [ 665.885998] [] dev_watchdog+0x276/0x280 [ 665.886092] [] ? dev_graft_qdisc+0x80/0x80 [ 665.886103] [] call_timer_fn+0x36/0x140 [ 665.886116] [] ? dev_graft_qdisc+0x80/0x80 [ 665.886127] [] run_timer_softirq+0x214/0x2c0 [ 665.886139] [] __do_softirq+0xec/0x300 [ 665.886151] [] run_ksoftirqd+0x30/0x50 [ 665.886188] [] smpboot_thread_fn+0x159/0x270 [ 665.886202] [] ? SyS_setgroups+0x1a0/0x1a0 [ 665.886241] [] kthread+0xd2/0xf0 [ 665.886276] [] ? kthread_create_on_node+0x190/0x190 [ 665.886307] [] ret_from_fork+0x7c/0xb0 [ 665.886319] [] ? kthread_create_on_node+0x190/0x190 [ 665.886328] ---[ end trace e4c6421c6c03db06 ]--- [ 680.256043] BUG: soft lockup - CPU#3 stuck for 22s! [kmix:6351] [ 680.256047] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse[ 680.256118] ------------[ cut here ]------------ [ 680.256121] WARNING: CPU: 3 PID: 6351 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 680.256121] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 680.256150] CPU: 3 PID: 6351 Comm: kmix Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 680.256150] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 680.256151] 0000000000000009 ffff88033fcc3ab8 ffffffff8170e73d 0000000000000000 [ 680.256154] ffff88033fcc3af0 ffffffff810666ed ffff8802c6f6cc00 ffff8802c6f6cc00 [ 680.256156] 0000000010000000 000000000000429b ffff8803294e7300 ffff88033fcc3b00 [ 680.256159] Call Trace: [ 680.256159] [] dump_stack+0x4d/0x6f [ 680.256162] [] warn_slowpath_common+0x7d/0xa0 [ 680.256165] [] warn_slowpath_null+0x1a/0x20 [ 680.256167] [] skb_release_head_state+0xdf/0xf0 [ 680.256170] [] skb_release_all+0x12/0x30 [ 680.256172] [] consume_skb+0x2c/0xa0 [ 680.256175] [] rtl8169_poll+0x49a/0x680 [r8169] [ 680.256180] [] netpoll_poll_dev+0x1b6/0x9d0 [ 680.256182] [] netpoll_send_skb_on_dev+0x301/0x430 [ 680.256185] [] netpoll_send_udp+0x27a/0x390 [ 680.256188] [] write_msg+0xcf/0x120 [netconsole] [ 680.256191] [] call_console_drivers.constprop.19+0x93/0x110 [ 680.256193] [] console_unlock+0x2ae/0x400 [ 680.256196] [] vprintk_emit+0x2be/0x530 [ 680.256199] [] printk+0x67/0x69 [ 680.256201] [] print_modules+0xc0/0xe0 [ 680.256203] [] watchdog_timer_fn+0x120/0x170 [ 680.256205] [] __run_hrtimer+0x77/0x250 [ 680.256207] [] ? watchdog_cleanup+0x10/0x10 [ 680.256209] [] hrtimer_interrupt+0xef/0x230 [ 680.256211] [] local_apic_timer_interrupt+0x37/0x60 [ 680.256214] [] smp_apic_timer_interrupt+0x3f/0x60 [ 680.256216] [] apic_timer_interrupt+0x6d/0x80 [ 680.256218] [] ? generic_exec_single+0x82/0xb0 [ 680.256221] [] ? leave_mm+0x80/0x80 [ 680.256223] [] smp_call_function_single+0xf5/0x1b0 [ 680.256225] [] ? leave_mm+0x80/0x80 [ 680.256227] [] smp_call_function_many+0x286/0x2d0 [ 680.256229] [] ? leave_mm+0x80/0x80 [ 680.256231] [] native_flush_tlb_others+0x37/0x40 [ 680.256233] [] flush_tlb_page+0x5e/0xd0 [ 680.256235] [] ptep_clear_flush+0x48/0x60 [ 680.256237] [] do_wp_page+0x27a/0x7f0 [ 680.256239] [] handle_pte_fault+0x2a3/0xa20 [ 680.256241] [] ? __pte_alloc+0xbd/0x170 [ 680.256242] [] handle_mm_fault+0x343/0x4b0 [ 680.256244] [] __do_page_fault+0x167/0x5b0 [ 680.256246] [] ? acct_account_cputime+0x1c/0x20 [ 680.256248] [] ? account_user_time+0x8b/0xa0 [ 680.256251] [] ? vtime_account_user+0x54/0x60 [ 680.256253] [] do_page_fault+0x1a/0x70 [ 680.256255] [] page_fault+0x28/0x30 [ 680.256257] ---[ end trace e4c6421c6c03db07 ]--- [ 680.256259] ------------[ cut here ]------------ [ 680.256261] WARNING: CPU: 3 PID: 6351 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 680.256262] Modules linked in: ip6table_filter ip6_tables iptable_filter [] ? leave_mm+0x80/0x80 08 75 09 [ 682.894318] ata1.00: exception Emask 0x0 SAct 0x3f SErr 0x0 action 0x6 frozen [ 682.894352] ata1.00: failed command: READ FPDMA QUEUED [ 682.894485] ata1.00: cmd 60/08:00:c8:47:cb/00:00:08:00:00/40 tag 0 ncq 4096 in [ 682.894485] res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout) [ 682.894498] ata1.00: status: { DRDY } [ 682.894508] ata1.00: failed command: WRITE FPDMA QUEUED [ 682.894523] ata1.00: cmd 61/c8:08:30:0c:05/00:00:06:00:00/40 tag 1 ncq 102400 out [ 682.894523] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 682.894533] ata1.00: status: { DRDY } [ 682.894543] ata1.00: failed command: READ FPDMA QUEUED [ 682.894559] ata1.00: cmd 60/18:10:50:8c:92/00:00:07:00:00/40 tag 2 ncq 12288 in [ 682.894559] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 682.894569] ata1.00: status: { DRDY } [ 682.894577] ata1.00: failed command: READ FPDMA QUEUED [ 682.894592] ata1.00: cmd 60/b0:18:a0:0d:13/00:00:03:00:00/40 tag 3 ncq 90112 in [ 682.894592] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 682.894602] ata1.00: status: { DRDY } [ 682.894611] ata1.00: failed command: READ FPDMA QUEUED [ 682.894626] ata1.00: cmd 60/20:20:b0:f5:84/00:00:0a:00:00/40 tag 4 ncq 16384 in [ 682.894626] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 682.894636] ata1.00: status: { DRDY } [ 682.894644] ata1.00: failed command: READ FPDMA QUEUED [ 682.894659] ata1.00: cmd 60/18:28:68:b9:85/00:00:0a:00:00/40 tag 5 ncq 12288 in [ 682.894659] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 682.894668] ata1.00: status: { DRDY } [ 682.894681] ata1: hard resetting link [ 683.354351] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 684.242298] BUG: soft lockup - CPU#2 stuck for 23s! [alsa-sink-HDMI :6221] [ 684.242305] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 684.242647] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 684.242655] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 684.242663] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 684.242670] RIP: 0010:[] [] smp_call_function_many+0x26a/0x2d0 [ 684.242687] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 684.242694] RAX: 0000000000000004 RBX: 0000000000000297 RCX: ffff88033fd184a0 [ 684.242703] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 684.242712] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 684.242795] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000000 [ 684.242803] R13: ffff88033fff8e00 R14: 6e69732d61736c61 R15: 0000000000000000 [ 684.242811] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 684.242819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 684.242828] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 684.242835] Stack: [ 684.242841] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 684.242869] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 684.242889] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 684.242904] Call Trace: [ 684.242915] [] ? flush_tlb_func+0xc0/0xc0 [ 684.242925] [] ? flush_tlb_func+0xc0/0xc0 [ 684.242935] [] smp_call_function+0x2a/0x50 [ 684.242944] [] on_each_cpu+0x23/0x80 [ 684.242954] [] flush_tlb_kernel_range+0x4a/0x70 [ 684.242965] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 684.242976] [] vm_unmap_aliases+0x167/0x180 [ 684.242986] [] change_page_attr_set_clr+0xb7/0x470 [ 684.242996] [] set_pages_array_wb+0x35/0x90 [ 684.243010] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 684.243025] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 684.243045] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 684.243055] [] ? free_pages+0x13/0x20 [ 684.243066] [] ? tlb_finish_mmu+0x35/0x60 [ 684.243077] [] ? unmap_region+0xd3/0x110 [ 684.243097] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 684.243116] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 684.243129] [] do_vfs_ioctl+0x2e0/0x4c0 [ 684.243221] [] ? vtime_account_user+0x54/0x60 [ 684.243233] [] SyS_ioctl+0x81/0xa0 [ 684.243246] [] tracesys+0xe1/0xe6 [ 684.243253] Code: cd 49 29 00 3b 05 6f 43 c3 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 e6 d0 81 f6 41 20 01 74 cb 0f 1f 00 f3 90 41 20 01 75 f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef 48 8b [ 685.489372] INFO: rcu_preempt detected stalls on CPUs/tasks: { 4} (detected by 2, t=60002 jiffies, g=17143, c=17142, q=0) [ 685.489406] sending NMI to all CPUs: [ 685.489418] NMI backtrace for cpu 2 [ 685.489429] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 685.489437] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 685.489444] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 685.489449] RIP: 0010:[] [] __bitmap_empty+0x3/0x80 [ 685.489462] RSP: 0018:ffff88033fc83df8 EFLAGS: 00000046 [ 685.489470] RAX: 0000000000000000 RBX: 0000000000002710 RCX: 000000000000013f [ 685.489478] RDX: 0000000000000c00 RSI: 0000000000000100 RDI: ffffffff81d0eea0 [ 685.489486] RBP: ffff88033fc83e08 R08: 0000000000000082 R09: 0000000000000945 [ 685.489573] R10: ffff88032e6f0098 R11: 0000000000000004 R12: ffffffff81c4ccc0 [ 685.489582] R13: ffffffff81d0f320 R14: ffffffff81c4ccc0 R15: 0000000000000002 [ 685.489590] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 685.489598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 685.489606] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 685.489611] Stack: [ 685.489616] ffffffff810466a1 ffff88033fc8e600 ffff88033fc83e60 ffffffff810caf61 [ 685.489639] ffffffff81c4ccc0 ffffffff00000004 0000000000000000 0000000000000001 [ 685.489662] ffff8802c69f1820 0000000000000000 0000000000000002 ffff88033fc8e120 [ 685.489687] Call Trace: [ 685.489695] [ 685.489701] [] ? arch_trigger_all_cpu_backtrace+0x81/0xb0 [ 685.489728] [] rcu_check_callbacks+0x701/0x720 [ 685.489741] [] update_process_times+0x47/0x70 [ 685.489753] [] tick_sched_handle.isra.17+0x25/0x60 [ 685.489763] [] tick_sched_timer+0x41/0x60 [ 685.489775] [] __run_hrtimer+0x77/0x250 [ 685.489787] [] ? tick_sched_handle.isra.17+0x60/0x60 [ 685.489797] [] hrtimer_interrupt+0xef/0x230 [ 685.489810] [] local_apic_timer_interrupt+0x37/0x60 [ 685.489821] [] smp_apic_timer_interrupt+0x3f/0x60 [ 685.489831] [] apic_timer_interrupt+0x6d/0x80 [ 685.489836] [ 685.489842] [] ? smp_call_function_many+0x26a/0x2d0 [ 685.489861] [] ? flush_tlb_func+0xc0/0xc0 [ 685.489870] [] ? flush_tlb_func+0xc0/0xc0 [ 685.489880] [] smp_call_function+0x2a/0x50 [ 685.489889] [] on_each_cpu+0x23/0x80 [ 685.489900] [] flush_tlb_kernel_range+0x4a/0x70 [ 685.489913] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 685.489927] [] vm_unmap_aliases+0x167/0x180 [ 685.490019] [] change_page_attr_set_clr+0xb7/0x470 [ 685.490031] [] set_pages_array_wb+0x35/0x90 [ 685.490047] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 685.490061] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 685.490078] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 685.490088] [] ? free_pages+0x13/0x20 [ 685.490097] [] ? tlb_finish_mmu+0x35/0x60 [ 685.490106] [] ? unmap_region+0xd3/0x110 [ 685.490123] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 685.490141] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 685.490151] [] do_vfs_ioctl+0x2e0/0x4c0 [ 685.490162] [] ? vtime_account_user+0x54/0x60 [ 685.490172] [] SyS_ioctl+0x81/0xa0 [ 685.490182] [] tracesys+0xe1/0xe6 [ 685.490189] Code: 30 4c 89 44 24 38 48 89 44 24 08 48 8d 44 24 18 4c 89 4c 24 40 c7 04 24 10 00 00 00 48 89 44 24 10 e8 42 ff ff ff c9 c3 8d 4e 3f <85> f6 55 0f 49 ce 48 89 e5 c1 f9 06 85 c9 7e 61 48 83 3f 00 75 [ 685.490532] NMI backtrace for cpu 4 [ 685.490539] CPU: 4 PID: 97 Comm: irq/17-ehci_hcd Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 685.490542] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 685.490546] task: ffff880329bd0000 ti: ffff880329bd8000 task.ti: ffff880329bd8000 [ 685.490549] RIP: 0010:[] [] _raw_spin_lock_irqsave+0x4f/0x60 [ 685.490639] RSP: 0018:ffff88033fd03e88 EFLAGS: 00000002 [ 685.490643] RAX: 000000000000706c RBX: ffff880329bc8290 RCX: 00000000000047a8 [ 685.490646] RDX: 00000000000047a6 RSI: 00000000000047a8 RDI: ffff880329bc831c [ 685.490650] RBP: ffff88033fd03e88 R08: 0000000000000082 R09: ffff88033fd03db8 [ 685.490653] R10: 0000000000000e0e R11: 00000091a1d99feb R12: ffff88033fd03f48 [ 685.490657] R13: ffff880329bc8230 R14: ffff880329bc831c R15: 00000091979e7179 [ 685.490661] FS: 00007f0896c63800(0000) GS:ffff88033fd00000(0000) knlGS:0000000000000000 [ 685.490664] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 685.490668] CR2: 00007f0893404080 CR3: 00000000afe47000 CR4: 00000000000007e0 [ 685.490671] Stack: [ 685.490674] ffff88033fd03ed0 ffffffff815495ec ffff88033fd03ed0 ffffffff8108caa6 [ 685.490686] ffff880329bc8290 ffff88033fd03f48 ffff88033fd0e160 ffff88033fd0e120 [ 685.490697] 00000091979e7179 ffff88033fd03f10 ffffffff8108d097 ffffffff815495c0 [ 685.490708] Call Trace: [ 685.490711] [ 685.490714] [] ehci_hrtimer_func+0x2c/0xd0 [ 685.490725] [] ? __remove_hrtimer+0x46/0xa0 [ 685.490730] [] __run_hrtimer+0x77/0x250 [ 685.490735] [] ? ehci_enable_event+0x80/0x80 [ 685.490740] [] hrtimer_interrupt+0xef/0x230 [ 685.490746] [] local_apic_timer_interrupt+0x37/0x60 [ 685.490751] [] smp_apic_timer_interrupt+0x3f/0x60 [ 685.490817] [] apic_timer_interrupt+0x6d/0x80 [ 685.490820] [ 685.490822] [] ? clockevents_program_event+0x6b/0xf0 [ 685.490834] [] ? usb_hcd_giveback_urb+0x5/0x140 [ 685.490838] [] ? ehci_urb_done+0x5d/0x80 [ 685.490843] [] qh_completions+0x3b6/0x5e0 [ 685.490848] [] ehci_work.part.65+0x194/0xa30 [ 685.490854] [] ? acct_account_cputime+0x1c/0x20 [ 685.490859] [] ehci_irq+0x388/0x540 [ 685.490864] [] ? arch_vtime_task_switch+0x94/0xa0 [ 685.490869] [] ? vtime_common_task_switch+0x24/0x40 [ 685.490874] [] ? finish_task_switch+0x4f/0x140 [ 685.490879] [] ? irq_thread_fn+0x50/0x50 [ 685.490883] [] ? irq_thread_fn+0x50/0x50 [ 685.490989] Code: 00 55 44 [ 688.354653] ata1.00: qc timeout (cmd 0xec) [ 688.354689] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 688.354700] ata1.00: revalidation failed (errno=-5) [ 688.354715] ata1: hard resetting link [ 688.814688] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 698.815339] ata1.00: qc timeout (cmd 0xec) [ 698.815369] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 698.815378] ata1.00: revalidation failed (errno=-5) [ 698.815387] ata1: limiting SATA link speed to 3.0 Gbps [ 698.815398] ata1: hard resetting link [ 699.275332] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 320) [ 712.244026] BUG: soft lockup - CPU#2 stuck for 23s! [alsa-sink-HDMI :6221] [ 712.244034] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 712.244404] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 712.244411] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 712.244417] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 712.244423] RIP: 0010:[] [] smp_call_function_many+0x26e/0x2d0 [ 712.244510] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 712.244518] RAX: 0000000000000004 RBX: 0000000000000297 RCX: ffff88033fd184a0 [ 712.244526] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 712.244534] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 712.244542] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000000 [ 712.244550] R13: ffff88033fff8e00 R14: 6e69732d61736c61 R15: 0000000000000000 [ 712.244559] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 712.244567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 712.244575] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 712.244582] Stack: [ 712.244588] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 712.244609] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 712.244624] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 712.244641] Call Trace: [ 712.244654] [] ? flush_tlb_func+0xc0/0xc0 [ 712.244666] [] ? flush_tlb_func+0xc0/0xc0 [ 712.244677] [] smp_call_function+0x2a/0x50 [ 712.244689] [] on_each_cpu+0x23/0x80 [ 712.244701] [] flush_tlb_kernel_range+0x4a/0x70 [ 712.244714] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 712.244727] [] vm_unmap_aliases+0x167/0x180 [ 712.244739] [] change_page_attr_set_clr+0xb7/0x470 [ 712.244750] [] set_pages_array_wb+0x35/0x90 [ 712.244766] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 712.244855] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 712.244874] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 712.244885] [] ? free_pages+0x13/0x20 [ 712.244896] [] ? tlb_finish_mmu+0x35/0x60 [ 712.244906] [] ? unmap_region+0xd3/0x110 [ 712.244923] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 712.244940] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 712.244951] [] do_vfs_ioctl+0x2e0/0x4c0 [ 712.244961] [] ? vtime_account_user+0x54/0x60 [ 712.244972] [] SyS_ioctl+0x81/0xa0 [ 712.244981] [] tracesys+0xe1/0xe6 [ 712.244987] Code: 3b 05 6f 43 c3 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 e6 d0 81 f6 41 20 01 74 cb 0f 1f 00 f3 90 f6 41 20 01 <75> f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef 48 8b 75 c8 e8 9a [ 712.258024] BUG: soft lockup - CPU#3 stuck for 23s! [kmix:6351] [ 712.258030] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc[ 712.258336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 712.258339] CR2: 00007f088b4002a8 CR3: 00000000afe47000 CR4: 00000000000007e0 [ 712.258342] Stack: [ 729.277175] ata1.00: qc timeout (cmd 0xec) [ 729.277214] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 729.277224] ata1.00: revalidation failed (errno=-5) [ 729.277234] ata1.00: disabled [ 729.288186] ata1.00: device reported invalid CHS sector 0 [ 729.288217] ata1.00: device reported invalid CHS sector 0 [ 729.288228] ata1.00: device reported invalid CHS sector 0 [ 729.288238] ata1.00: device reported invalid CHS sector 0 [ 729.288247] ata1.00: device reported invalid CHS sector 0 [ 729.288256] ata1.00: device reported invalid CHS sector 0 [ 729.288403] ata1: hard resetting link [ 729.748224] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 320) [ 729.759222] ata1: EH complete [ 729.759309] sd 0:0:0:0: [sda] Unhandled error code [ 729.759321] sd 0:0:0:0: [sda] [ 729.759329] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.759339] sd 0:0:0:0: [sda] CDB: [ 729.759346] Read(10): 28 00 0a 85 b9 68 00 00 18 00 [ 729.759416] end_request: I/O error, dev sda, sector 176535912 [ 729.759456] sd 0:0:0:0: [sda] Unhandled error code [ 729.759466] sd 0:0:0:0: [sda] [ 729.759475] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.759484] sd 0:0:0:0: [sda] CDB: [ 729.759491] Read(10): 28 00 0a 84 f5 b0 00 00 20 00[ 729.759540] sd 0:0:0:0: [sda] Unhandled error code [ 729.759545] sd 0:0:0:0: [sda] [ 729.759551] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.759557] sd 0:0:0:0: [sda] CDB: [ 729.759560] Read(10): 28 00 0a 85 b9 68 00 00 08 00 [ 729.759590] end_request: I/O error, dev sda, sector 176535912 [ 729.759736] [ 729.759748] end_request: I/O error, dev sda, sector 176485808 [ 729.759778] sd 0:0:0:0: [sda] Unhandled error code [ 729.759787] sd 0:0:0:0: [sda] [ 729.759795] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.759802] sd 0:0:0:0: [sda] CDB: [ 729.759807] Read(10): 28 00 03 13 0d a0 00[ 729.759839] sd 0:0:0:0: [sda] Unhandled error code [ 729.759844] sd 0:0:0:0: [sda] [ 729.759846] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.759851] sd 0:0:0:0: [sda] CDB: [ 729.759853] Read(10): 28 00 0a 84 f5 b0 00 00 08 00 [ 729.759881] end_request: I/O error, dev sda, sector 176485808 [ 729.759931] 00 b0 00 [ 729.760039] end_request: I/O error, dev sda, sector 51580320 [ 729.760074] sd 0:0:0:0: [sda] Unhandled error code [ 729.760083] sd 0:0:0:0: [sda] [ 729.760090] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.760099] sd 0:0:0:0: [sda] CDB: [ 729.760131] Read(10): 28 00 07 92 8c 50 00 00 18 00 [ 729.760193] end_request: I/O error, dev sda, sector 127044688 [ 729.760217] sd 0:0:0:0: [sda] Unhandled error code [ 729.760224] sd 0:0:0:0: [sda] [ 729.760230] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.760236] sd 0:0:0:0: [sda] CDB: [ 729.760241] Write(10): 2a 00 06 05 0c 30 00 00 c8 00 [ 729.760298] end_request: I/O error, dev sda, sector 100994096 [ 729.760365] sd 0:0:0:0: [sda] Unhandled error code [ 729.760375] sd 0:0:0:0: [sda] [ 729.760382] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.760475] sd 0:0:0:0: [sda] CDB: [ 729.760481] Read(10): 28 00 08 cb 47 c8 00 00 08 00 [ 729.760539] end_request: I/O error, dev sda, sector 147539912 [ 729.760559] sd 0:0:0:0: [sda] Unhandled error code [ 729.760566] sd 0:0:0:0: [sda] [ 729.760571] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.760577] sd 0:0:0:0: [sda] CDB: [ 729.760582] Read(10): 28 00 08 c1 24 a0 00 00 08 00 [ 729.760636] end_request: I/O error, dev sda, sector 146875552 [ 729.760659] sd 0:0:0:0: [sda] Unhandled error code [ 729.760668] sd 0:0:0:0: [sda] [ 729.760675] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.760683] sd 0:0:0:0: [sda] CDB: [ 729.760690] Read(10): 28 00 06 b2 85 38 00 00 c8 00 [ 729.760828] end_request: I/O error, dev sda, sector 112362808 [ 729.761184] Aborting journal on device sda1-8. [ 729.761246] EXT4-fs error (device sda1) in __ext4_new_inode:893: Journal has aborted [ 729.761271] sd 0:0:0:0: [sda] Unhandled error code [ 729.761284] sd 0:0:0:0: [sda] [ 729.761293] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 729.761303] sd 0:0:0:0: [sda] CDB: [ 729.761311] Write(10)[ 729.761319] EXT4-fs error (device sda1): ext4_find_entry:1309: inode #4592720: comm sh: reading directory lblock 0 : 2a 00 06 04 08 00 00 00 08 00 [ 729.761393] quiet_error: 186 callbacks suppressed [ 729.761403] Buffer I/O error on device sda1, logical block 12615680 00 00 08 00 d8[ 732.999372] sd 0:0:0:0: [sda] Unhandled error code [ 732.999391] sd 0:0:0:0: [sda] [ 732.999395] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 732.999400] sd 0:0:0:0: [sda] CDB: [ 732.999403] Read(10): 28 00 06 b5 57 00 00 00 20 00 [ 732.999450] sd 0:0:0:0: [sda] Unhandled error code [ 732.999453] sd 0:0:0:0: [sda] [ 732.999456] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 732.999459] sd 0:0:0:0: [sda] CDB: [ 732.999461] Read(10): 28 00 06 b5 57 00 00 00 08 00 [ 739.772864] sd 0:0:0:0: [sda] Unhandled error code [ 739.772995] sd 0:0:0:0: [sda] [ 739.773003] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 739.773011] sd 0:0:0:0: [sda] CDB: [ 739.773017] Read(10): 28 00 07 8e ae 70 00 00 08 00 [ 739.773081] blk_update_request: 57 callbacks suppressed [ 739.773088] end_request: I/O error, dev sda, sector 126791280 [ 739.773323] sd 0:0:0:0: [sda] Unhandled error code [ 739.773333] sd 0:0:0:0: [sda] [ 739.773340] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 739.773347] sd 0:0:0:0: [sda] CDB: [ 739.773352] Read(10): 28 00 07 8e ae 70 00 00 08 00 [ 739.773416] end_request: I/O error, dev sda, sector 126791280 [ 739.785576] sd 0:0:0:0: [sda] Unhandled error code [ 739.785610] sd 0:0:0:0: [sda] [ 739.785619] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 739.785630] sd 0:0:0:0: [sda] CDB: [ 739.785638] Read(10): 28 00 07 8e ae 70 00 00 08 00 [ 739.785855] end_request: I/O error, dev sda, sector 126791280 [ 739.786134] sd 0:0:0:0: [sda] Unhandled error code [ 739.786148] sd 0:0:0:0: [sda] [ 739.786156] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 739.786165] sd 0:0:0:0: [sda] CDB: [ 739.786171] Read(10): 28 00 07 8e ae 70 00 00 08 00 [ 739.786232] end_request: I/O error, dev sda, sector 126791280 [ 739.787364] sd 0:0:0:0: [sda] Unhandled error code [ 739.787389] sd 0:0:0:0: [sda] [ 739.787398] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 739.787406] sd 0:0:0:0: [sda] CDB: [ 739.787412] Read(10): 28 00 07 8e ae 70 00 00 08 00 [ 739.787480] end_request: I/O error, dev sda, sector 126791280 [ 739.787893] sd 0:0:0:0: [sda] Unhandled error code [ 739.787921] sd 0:0:0:0: [sda] [ 739.787941] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 739.787961] sd 0:0:0:0: [sda] CDB: [ 739.788076] Read(10): 28 00 07 8e ae 70 00 00 08 00 [ 739.788131] end_request: I/O error, dev sda, sector 126791280 [ 740.245768] BUG: soft lockup - CPU#2 stuck for 22s! [alsa-sink-HDMI :6221] [ 740.245775] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 740.246097] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 740.246105] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 740.246113] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 740.246119] RIP: 0010:[] [] smp_call_function_many+0x26a/0x2d0 [ 740.246131] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 740.246137] RAX: 0000000000000004 RBX: 0000000000000297 RCX: ffff88033fd184a0 [ 740.246143] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 740.246148] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 740.246154] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000000 [ 740.246231] R13: ffff88033fff8e00 R14: 6e69732d61736c61 R15: 0000000000000000 [ 740.246240] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 740.246247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 740.246253] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 740.246257] Stack: [ 740.246262] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 740.246278] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 740.246296] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 740.246321] Call Trace: [ 740.246334] [] ? flush_tlb_func+0xc0/0xc0 [ 740.246346] [] ? flush_tlb_func+0xc0/0xc0 [ 740.246357] [] smp_call_function+0x2a/0x50 [ 740.246367] [] on_each_cpu+0x23/0x80 [ 740.246377] [] flush_tlb_kernel_range+0x4a/0x70 [ 740.246388] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 740.246399] [] vm_unmap_aliases+0x167/0x180 [ 740.246408] [] change_page_attr_set_clr+0xb7/0x470 [ 740.246418] [] set_pages_array_wb+0x35/0x90 [ 740.246431] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 740.246444] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 740.246462] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 740.246473] [] ? free_pages+0x13/0x20 [ 740.246484] [] ? tlb_finish_mmu+0x35/0x60 [ 740.246495] [] ? unmap_region+0xd3/0x110 [ 740.246514] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 740.246608] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 740.246618] [] do_vfs_ioctl+0x2e0/0x4c0 [ 740.246629] [] ? vtime_account_user+0x54/0x60 [ 740.246639] [] SyS_ioctl+0x81/0xa0 [ 740.246649] [] tracesys+0xe1/0xe6 [ 740.246654] Code: cd 49 29 00 3b 05 6f 43 c3 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 e6 d0 81 f6 41 20 01 74 cb 0f 1f 00 f3 90 41 20 01 75 f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef 48 8b [ 740.259762] BUG: soft lockup - CPU#3 stuck for 22s! [kmix:6351] [ 740.259768] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev[ 740.260074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 740.260077] CR2: 00007f088b4002a8 CR3: 00000000afe47000 CR4: 00000000000007e0 [ 740.260080] Stack: [ 740.260083] ffff88033fd15100[ 740.260298] [] ? acct_account_cputime+0x1c/0x20 [ 740.260303] [] ? account_user_time+0x8b/0xa0 [ 740.260309] [] ? vtime_account_user+0x54/0x60 [ 740.260314] [] do_page_fault+0x1a/0x70 d0 [ 745.229959] sd 0:0:0:0: [sda] Unhandled error code [ 745.229989] sd 0:0:0:0: [sda] [ 745.230159] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.230171] sd 0:0:0:0: [sda] CDB: [ 745.230194] Read(10) 0b 00 2b 00 00 00 08 00 [ 745.230265] end_request: I/O error, dev sda, sector 184560384 [ 745.230319] sd 0:0:0:0: [sda] Unhandled error code [ 745.230332] sd 0:0:0:0: [sda] [ 745.230340] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.230349] sd 0:0:0:0: [sda] CDB: [ 745.230355] Read(10): 28 00 0b 00 2b 08 00 00 08 00 [ 745.230423] end_request: I/O error, dev sda, sector 184560392 [ 745.230463] sd 0:0:0:0: [sda] Unhandled error code [ 745.230473] sd 0:0:0:0: [sda] [ 745.230480] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.230489] sd 0:0:0:0: [sda] CDB: [ 745.230496] Read(10): 00 2b 10 00 00 08 00 [ 745.230647] end_request: I/O error, dev sda, sector 184560400 [ 745.230686] sd 0:0:0:0: [sda] Unhandled error code [ 745.230695] sd 0:0:0:0: [sda] [ 745.230703] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.230711] sd 0:0:0:0: [sda] CDB: [ 745.230717] Read(10): 28 00 0b 00 2b 18 00 00 08 00 [ 745.230776] end_request: I/O error, dev sda, sector 184560408 [ 745.230813] sd 0:0:0:0: [sda] Unhandled error code [ 745.230823] sd 0:0:0:0: [sda] [ 745.230830] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.230839] sd 0:0:0:0: [sda] CDB: [ 745.230846] Read(10): 28 00 0b 00 2b 20 00 00 08 00 [ 745.230906] end_request: I/O error, dev sda, sector 184560416 [ 745.230943] sd 0:0:0:0: [sda] Unhandled error code [ 745.230953] sd 0:0:0:0: [sda] [ 745.230959] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.230968] sd 0:0:0:0: [sda] CDB: [ 745.230974] Read(10): 28 00 0b 00 2b 28 00 00 08 00 [ 745.231208] end_request: I/O error, dev sda, sector 184560424 [ 745.231249] sd 0:0:0:0: [sda] Unhandled error code [ 745.231259] sd 0:0:0:0: [sda] [ 745.231266] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.231274] sd 0:0:0:0: [sda] CDB: [ 745.231279] Read(10): 28 00 0b 00 2b 30 00 00 08 00 [ 745.231342] end_request: I/O error, dev sda, sector 184560432 [ 745.231380] sd 0:0:0:0: [sda] Unhandled error code [ 745.231403] sd 0:0:0:0: [sda] [ 745.231418] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.231426] sd 0:0:0:0: [sda] CDB: [ 745.231433] Read(10): 28 00 0b 00 00 00 08 00 [ 745.231585] end_request: I/O error, dev sda, sector 184560440 [ 745.231624] sd 0:0:0:0: [sda] Unhandled error code [ 745.231633] sd 0:0:0:0: [sda] [ 745.231640] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.231648] sd 0:0:0:0: [sda] CDB: [ 745.231654] Read(10): 28 00 0b 00 2b 40 00 00 08 00 [ 745.231714] end_request: I/O error, dev sda, sector 184560448 [ 745.231750] sd 0:0:0:0: [sda] Unhandled error code [ 745.231760] sd 0:0:0:0: [sda] [ 745.231767] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.231774] sd 0:0:0:0: [sda] CDB: [ 745.231781] Read(10): 28 00 0b 00 2b 48 00 00 08 00 [ 745.231879] sd 0:0:0:0: [sda] Unhandled error code [ 745.231888] sd 0:0:0:0: [sda] [ 745.231895] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.231903] sd 0:0:0:0: [sda] CDB: [ 745.231910] Read(10): 28 00 0b 00 2b 50 00 00 08 00 [ 745.232122] sd 0:0:0:0: [sda] Unhandled error code [ 745.232139] sd 0:0:0:0: [sda] [ 745.232154] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 745.232168] sd 0:0:0:0: [sda] CDB: [ 745.232176] Read(10): 28 00 0b[ 747.777564] sd 0:0:0:0: [sda] Unhandled error code [ 747.777598] sd 0:0:0:0: [sda] [ 747.777608] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 747.777618] sd 0:0:0:0: [sda] CDB: [ 747.777625] Read(10): 28 00 0c 15 77 58 00 00 08 00 [ 747.777897] sd 0:0:0:0: [sda] Unhandled error code [ 747.777934] sd 0:0:0:0: [sda] [ 747.777946] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 747.777956] sd 0:0:0:0: [sda] CDB: [ 747.777964] Read(10): 28 00 0c 15 77 58 00 00 08 00 [ 747.778141] sd 0:0:0:0: [sda] Unhandled error code [ 747.778153] sd 0:0:0:0: [sda] [ 747.778169] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 747.778178] sd 0:0:0:0: [sda] CDB: [ 747.778185] Read(10): 28 00 0c 15 77 58 00 00 08 00 [ 747.778480] sd 0:0:0:0: [sda] Unhandled error code [ 747.778489] sd 0:0:0:0: [sda] [ 747.778495] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 747.778502] sd 0:0:0:0: [sda] CDB: [ 747.778507] Read(10): 28 00 0c 15 77 58 00 00 08 00 [ 747.778701] sd 0:0:0:0: [sda] Unhandled error code [ 747.778712] sd 0:0:0:0: [sda] [ 747.778719] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 747.778727] sd 0:0:0:0: [sda] CDB: [ 747.778731] Read(10): 28 00 0c 15 77 58 00 00 08 00 [ 768.247501] BUG: soft lockup - CPU#2 stuck for 22s! [alsa-sink-HDMI :6221] [ 768.247511] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi[ 768.247607] ------------[ cut here ]------------ [ 768.247616] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 768.247617] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 768.247687] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 768.247689] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 768.247690] 0000000000000009 ffff88033fc83ab8 ffffffff8170e73d 0000000000000000 [ 768.247698] ffff88033fc83af0 ffffffff810666ed ffff8802ce346c00 ffff8802ce346c00 [ 768.247703] 0000000010000000 000000000000531b ffff8803294e7300 ffff88033fc83b00 [ 768.247709] Call Trace: [ 768.247711] [] dump_stack+0x4d/0x6f [ 768.247720] [] warn_slowpath_common+0x7d/0xa0 [ 768.247727] [] warn_slowpath_null+0x1a/0x20 [ 768.247733] [] skb_release_head_state+0xdf/0xf0 [ 768.247739] [] skb_release_all+0x12/0x30 [ 768.247745] [] consume_skb+0x2c/0xa0 [ 768.247753] [] rtl8169_poll+0x49a/0x680 [r8169] [ 768.247768] [] netpoll_poll_dev+0x1b6/0x9d0 [ 768.247775] [] netpoll_send_skb_on_dev+0x301/0x430 [ 768.247783] [] netpoll_send_udp+0x27a/0x390 [ 768.247789] [] write_msg+0xcf/0x120 [netconsole] [ 768.247799] [] call_console_drivers.constprop.19+0x93/0x110 [ 768.247806] [] console_unlock+0x2ae/0x400 [ 768.247812] [] vprintk_emit+0x2be/0x530 [ 768.247819] [] printk+0x67/0x69 [ 768.247825] [] print_modules+0xc0/0xe0 [ 768.247831] [] watchdog_timer_fn+0x120/0x170 [ 768.247837] [] __run_hrtimer+0x77/0x250 [ 768.247842] [] ? watchdog_cleanup+0x10/0x10 [ 768.247847] [] hrtimer_interrupt+0xef/0x230 [ 768.247853] [] local_apic_timer_interrupt+0x37/0x60 [ 768.247859] [] smp_apic_timer_interrupt+0x3f/0x60 [ 768.247865] [] apic_timer_interrupt+0x6d/0x80 [ 768.247871] [] ? smp_call_function_many+0x26a/0x2d0 [ 768.247878] [] ? flush_tlb_func+0xc0/0xc0 [ 768.247884] [] ? flush_tlb_func+0xc0/0xc0 [ 768.247889] [] smp_call_function+0x2a/0x50 [ 768.247893] [] on_each_cpu+0x23/0x80 [ 768.247898] [] flush_tlb_kernel_range+0x4a/0x70 [ 768.247903] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 768.247910] [] vm_unmap_aliases+0x167/0x180 [ 768.247916] [] change_page_attr_set_clr+0xb7/0x470 [ 768.247922] [] set_pages_array_wb+0x35/0x90 [ 768.247927] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 768.247935] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 768.247944] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 768.247956] [] ? free_pages+0x13/0x20 [ 768.247960] [] ? tlb_finish_mmu+0x35/0x60 [ 768.247965] [] ? unmap_region+0xd3/0x110 [ 768.247970] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 768.247983] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 768.247995] [] do_vfs_ioctl+0x2e0/0x4c0 [ 768.248000] [] ? vtime_account_user+0x54/0x60 [ 768.248007] [] SyS_ioctl+0x81/0xa0 [ 768.248012] [] tracesys+0xe1/0xe6 [ 768.248019] ---[ end trace e4c6421c6c03db09 ]--- [ 768.248024] ------------[ cut here ]------------ [ 768.248031] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 768.248032] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc[ 768.248231] [] watchdog_timer_fn+0x120/0x170 [] ? flush_tlb_func+0xc0/0xc0 [ 768.248680] [] smp_call_function+0x2a/0x50 [] ? smp_call_function_many+0x26a/0x2d0 [ 796.249232] BUG: soft lockup - CPU#2 stuck for 22s! [alsa-sink-HDMI :6221] [ 796.249268] ------------[ cut here ]------------ [ 796.249275] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 796.249327] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 796.249331] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 796.249333] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 796.249340] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 796.249345] ffff88033fc83b20 ffffffff810666ed ffff8802d03dc700 ffff8802d03dc700 [ 796.249350] 0000000010000000 0000000000005a06 ffff8803294e71b0 ffff88033fc83b30 [ 796.249351] Call Trace: [ 796.249358] [] dump_stack+0x4d/0x6f [ 796.249365] [] warn_slowpath_common+0x7d/0xa0 [ 796.249371] [] warn_slowpath_null+0x1a/0x20 [ 796.249377] [] skb_release_head_state+0xdf/0xf0 [ 796.249382] [] skb_release_all+0x12/0x30 [ 796.249388] [] consume_skb+0x2c/0xa0 [ 796.249400] [] rtl8169_poll+0x49a/0x680 [r8169] [ 796.249406] [] netpoll_poll_dev+0x1b6/0x9d0 [ 796.249412] [] netpoll_send_skb_on_dev+0x301/0x430 [ 796.249420] [] netpoll_send_udp+0x27a/0x390 [ 796.249428] [] write_msg+0xcf/0x120 [netconsole] [ 796.249436] [] call_console_drivers.constprop.19+0x93/0x110 [ 796.249442] [] console_unlock+0x3bf/0x400 [ 796.249447] [] vprintk_emit+0x2be/0x530 [ 796.249452] [] printk+0x67/0x69 [ 796.249457] [] watchdog_timer_fn+0x11b/0x170 [ 796.249462] [] __run_hrtimer+0x77/0x250 [ 796.249467] [] ? watchdog_cleanup+0x10/0x10 [ 796.249472] [] hrtimer_interrupt+0xef/0x230 [ 796.249479] [] local_apic_timer_interrupt+0x37/0x60 [ 796.249485] [] smp_apic_timer_interrupt+0x3f/0x60 [ 796.249490] [] apic_timer_interrupt+0x6d/0x80 [ 796.249497] [] ? smp_call_function_many+0x26a/0x2d0 [ 796.249502] [] ? flush_tlb_func+0xc0/0xc0 [ 796.249507] [] ? flush_tlb_func+0xc0/0xc0 [ 796.249512] [] smp_call_function+0x2a/0x50 [ 796.249516] [] on_each_cpu+0x23/0x80 [ 796.249522] [] flush_tlb_kernel_range+0x4a/0x70 [ 796.249528] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 796.249535] [] vm_unmap_aliases+0x167/0x180 [ 796.249540] [] change_page_attr_set_clr+0xb7/0x470 [ 796.249545] [] set_pages_array_wb+0x35/0x90 [ 796.249554] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 796.249562] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 796.249575] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 796.249579] [] ? free_pages+0x13/0x20 [ 796.249583] [] ? tlb_finish_mmu+0x35/0x60 [ 796.249588] [] ? unmap_region+0xd3/0x110 [ 796.249600] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 796.249613] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 796.249618] [] do_vfs_ioctl+0x2e0/0x4c0 [ 796.249624] [] ? vtime_account_user+0x54/0x60 [ 796.249630] [] SyS_ioctl+0x81/0xa0 [ 796.249635] [] tracesys+0xe1/0xe6 [ 796.249637] ---[ end trace e4c6421c6c03db11 ]--- [ 796.249641] ------------[ cut here ]------------ [ 796.249648] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 796.249698] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 796.249702] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 796.249704] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 796.249709] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 796.249714] ffff88033fc83b20 ffffffff810666ed ffff8802d03dc800 ffff8802d03dc800 [ 796.249719] 0000000010000000 0000000000005a07 ffff8803294e71c0 ffff88033fc83b30 [ 796.249720] Call Trace: [ 796.249726] [] dump_stack+0x4d/0x6f [ 796.249733] [] warn_slowpath_common+0x7d/0xa0 [ 796.249739] [] warn_slowpath_null+0x1a/0x20 [ 796.249744] [] skb_release_head_state+0xdf/0xf0 [ 796.249750] [] skb_release_all+0x12/0x30 [ 796.249755] [] consume_skb+0x2c/0xa0 [ 796.249767] [] rtl8169_poll+0x49a/0x680 [r8169] [ 796.249773] [] netpoll_poll_dev+0x1b6/0x9d0 [ 796.249779] [] netpoll_send_skb_on_dev+0x301/0x430 [ 796.249787] [] netpoll_send_udp+0x27a/0x390 [ 796.249795] [] write_msg+0xcf/0x120 [netconsole] [ 796.249803] [] call_console_drivers.constprop.19+0x93/0x110 [ 796.249808] [] console_unlock+0x3bf/0x400 [ 796.249814] [] vprintk_emit+0x2be/0x530 [ 796.249819] [] printk+0x67/0x69 [ 796.249824] [] watchdog_timer_fn+0x11b/0x170 [ 796.249829] [] __run_hrtimer+0x77/0x250 [ 796.249834] [] ? watchdog_cleanup+0x10/0x10 [ 796.249839] [] hrtimer_interrupt+0xef/0x230 [ 796.249846] [] local_apic_timer_interrupt+0x37/0x60 [ 796.249852] [] smp_apic_timer_interrupt+0x3f/0x60 [ 796.249857] [] apic_timer_interrupt+0x6d/0x80 [ 796.249864] [] ? smp_call_function_many+0x26a/0x2d0 [ 796.249869] [] ? flush_tlb_func+0xc0/0xc0 [ 796.249874] [] ? flush_tlb_func+0xc0/0xc0 [ 796.249878] [] smp_call_function+0x2a/0x50 [ 796.249883] [] on_each_cpu+0x23/0x80 [ 796.249888] [] flush_tlb_kernel_range+0x4a/0x70 [ 796.249894] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 796.249901] [] vm_unmap_aliases+0x167/0x180 [ 796.249906] [] change_page_attr_set_clr+0xb7/0x470 [ 796.249911] [] set_pages_array_wb+0x35/0x90 [ 796.249920] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 796.249927] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 796.249940] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 796.249945] [] ? free_pages+0x13/0x20 [ 796.249949] [] ? tlb_finish_mmu+0x35/0x60 [ 796.249953] [] ? unmap_region+0xd3/0x110 [ 796.249966] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 796.249979] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 796.249984] [] do_vfs_ioctl+0x2e0/0x4c0 [ 796.249990] [] ? vtime_account_user+0x54/0x60 [ 796.249996] [] SyS_ioctl+0x81/0xa0 [ 796.250001] [] tracesys+0xe1/0xe6 [ 796.250003] ---[ end trace e4c6421c6c03db12 ]--- [ 796.250006] ------------[ cut here ]------------ [ 796.250013] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 796.250063] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 796.250067] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 796.250069] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 796.250074] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 796.250079] ffff88033fc83b20 ffffffff810666ed ffff8802d03dda00 ffff8802d03dda00 [ 796.250083] 0000000010000000 0000000000005a08 ffff8803294e71d0 ffff88033fc83b30 [ 796.250084] Call Trace: [ 796.250091] [] dump_stack+0x4d/0x6f [ 796.250097] [] warn_slowpath_common+0x7d/0xa0 [ 796.250103] [] warn_slowpath_null+0x1a/0x20 [ 796.250109] [] skb_release_head_state+0xdf/0xf0 [ 796.250114] [] skb_release_all+0x12/0x30 [ 796.250120] [] consume_skb+0x2c/0xa0 [ 796.250132] [] rtl8169_poll+0x49a/0x680 [r8169] [ 796.250138] [] netpoll_poll_dev+0x1b6/0x9d0 [ 796.250144] [] netpoll_send_skb_on_dev+0x301/0x430 [ 796.250151] [] netpoll_send_udp+0x27a/0x390 [ 796.250159] [] write_msg+0xcf/0x120 [netconsole] [ 796.250167] [] call_console_drivers.constprop.19+0x93/0x110 [ 796.250173] [] console_unlock+0x3bf/0x400 [ 796.250178] [] vprintk_emit+0x2be/0x530 [ 796.250183] [] printk+0x67/0x69 [ 796.250188] [] watchdog_timer_fn+0x11b/0x170 [ 796.250193] [] __run_hrtimer+0x77/0x250 [ 796.250198] [] ? watchdog_cleanup+0x10/0x10 [ 796.250203] [] hrtimer_interrupt+0xef/0x230 [ 796.250210] [] local_apic_timer_interrupt+0x37/0x60 [ 796.250216] [] smp_apic_timer_interrupt+0x3f/0x60 [ 796.250221] [] apic_timer_interrupt+0x6d/0x80 [ 796.250228] [] ? smp_call_function_many+0x26a/0x2d0 [ 796.250233] [] ? flush_tlb_func+0xc0/0xc0 [ 796.250238] [] ? flush_tlb_func+0xc0/0xc0 [ 796.250242] [] smp_call_function+0x2a/0x50 [ 796.250247] [] on_each_cpu+0x23/0x80 [ 796.250252] [] flush_tlb_kernel_range+0x4a/0x70 [ 796.250258] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 796.250265] [] vm_unmap_aliases+0x167/0x180 [ 796.250270] [] change_page_attr_set_clr+0xb7/0x470 [ 796.250275] [] set_pages_array_wb+0x35/0x90 [ 796.250283] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 796.250291] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 796.250304] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 796.250309] [] ? free_pages+0x13/0x20 [ 796.250313] [] ? tlb_finish_mmu+0x35/0x60 [ 796.250317] [] ? unmap_region+0xd3/0x110 [ 796.250330] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 796.250342] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 796.250348] [] do_vfs_ioctl+0x2e0/0x4c0 [ 796.250354] [] ? vtime_account_user+0x54/0x60 [ 796.250359] [] SyS_ioctl+0x81/0xa0 [ 796.250364] [] tracesys+0xe1/0xe6 [ 796.250367] ---[ end trace e4c6421c6c03db13 ]--- [ 796.251870] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco amd_iommu_v2[ 824.250968] BUG: soft lockup - CPU#2 stuck for 22s! [alsa-sink-HDMI :6221] [ 824.251021] ------------[ cut here ]------------ [ 824.251028] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 824.251079] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 824.251084] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 824.251086] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 824.251092] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 824.251097] ffff88033fc83b20 ffffffff810666ed ffff8802d03ddc00 ffff8802d03ddc00 [ 824.251102] 0000000010000000 0000000000005c12 ffff8803294e7270 ffff88033fc83b30 [ 824.251103] Call Trace: [ 824.251110] [] dump_stack+0x4d/0x6f [ 824.251116] [] warn_slowpath_common+0x7d/0xa0 [ 824.251122] [] warn_slowpath_null+0x1a/0x20 [ 824.251128] [] skb_release_head_state+0xdf/0xf0 [ 824.251133] [] skb_release_all+0x12/0x30 [ 824.251139] [] consume_skb+0x2c/0xa0 [ 824.251151] [] rtl8169_poll+0x49a/0x680 [r8169] [ 824.251157] [] netpoll_poll_dev+0x1b6/0x9d0 [ 824.251163] [] netpoll_send_skb_on_dev+0x301/0x430 [ 824.251171] [] netpoll_send_udp+0x27a/0x390 [ 824.251179] [] write_msg+0xcf/0x120 [netconsole] [ 824.251187] [] call_console_drivers.constprop.19+0x93/0x110 [ 824.251193] [] console_unlock+0x3bf/0x400 [ 824.251198] [] vprintk_emit+0x2be/0x530 [ 824.251203] [] printk+0x67/0x69 [ 824.251208] [] watchdog_timer_fn+0x11b/0x170 [ 824.251213] [] __run_hrtimer+0x77/0x250 [ 824.251218] [] ? watchdog_cleanup+0x10/0x10 [ 824.251223] [] hrtimer_interrupt+0xef/0x230 [ 824.251230] [] local_apic_timer_interrupt+0x37/0x60 [ 824.251236] [] smp_apic_timer_interrupt+0x3f/0x60 [ 824.251241] [] apic_timer_interrupt+0x6d/0x80 [ 824.251248] [] ? smp_call_function_many+0x26a/0x2d0 [ 824.251253] [] ? flush_tlb_func+0xc0/0xc0 [ 824.251258] [] ? flush_tlb_func+0xc0/0xc0 [ 824.251262] [] smp_call_function+0x2a/0x50 [ 824.251267] [] on_each_cpu+0x23/0x80 [ 824.251273] [] flush_tlb_kernel_range+0x4a/0x70 [ 824.251279] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 824.251285] [] vm_unmap_aliases+0x167/0x180 [ 824.251290] [] change_page_attr_set_clr+0xb7/0x470 [ 824.251296] [] set_pages_array_wb+0x35/0x90 [ 824.251304] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 824.251312] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 824.251325] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 824.251329] [] ? free_pages+0x13/0x20 [ 824.251333] [] ? tlb_finish_mmu+0x35/0x60 [ 824.251338] [] ? unmap_region+0xd3/0x110 [ 824.251351] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 824.251363] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 824.251369] [] do_vfs_ioctl+0x2e0/0x4c0 [ 824.251375] [] ? vtime_account_user+0x54/0x60 [ 824.251380] [] SyS_ioctl+0x81/0xa0 [ 824.251385] [] tracesys+0xe1/0xe6 [ 824.251388] ---[ end trace e4c6421c6c03db14 ]--- [ 824.251391] ------------[ cut here ]------------ [ 824.251398] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 824.251448] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 824.251452] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 824.251454] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 824.251459] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 824.251464] ffff88033fc83b20 ffffffff810666ed ffff8802ce31d300 ffff8802ce31d300 [ 824.251469] 0000000010000000 0000000000005c13 ffff8803294e7280 ffff88033fc83b30 [ 824.251470] Call Trace: [ 824.251477] [] dump_stack+0x4d/0x6f [ 824.251483] [] warn_slowpath_common+0x7d/0xa0 [ 824.251489] [] warn_slowpath_null+0x1a/0x20 [ 824.251494] [] skb_release_head_state+0xdf/0xf0 [ 824.251500] [] skb_release_all+0x12/0x30 [ 824.251505] [] consume_skb+0x2c/0xa0 [ 824.251517] [] rtl8169_poll+0x49a/0x680 [r8169] [ 824.251524] [] netpoll_poll_dev+0x1b6/0x9d0 [ 824.251529] [] netpoll_send_skb_on_dev+0x301/0x430 [ 824.251537] [] netpoll_send_udp+0x27a/0x390 [ 824.251545] [] write_msg+0xcf/0x120 [netconsole] [ 824.251553] [] call_console_drivers.constprop.19+0x93/0x110 [ 824.251558] [] console_unlock+0x3bf/0x400 [ 824.251564] [] vprintk_emit+0x2be/0x530 [ 824.251569] [] printk+0x67/0x69 [ 824.251574] [] watchdog_timer_fn+0x11b/0x170 [ 824.251579] [] __run_hrtimer+0x77/0x250 [ 824.251584] [] ? watchdog_cleanup+0x10/0x10 [ 824.251589] [] hrtimer_interrupt+0xef/0x230 [ 824.251596] [] local_apic_timer_interrupt+0x37/0x60 [ 824.251602] [] smp_apic_timer_interrupt+0x3f/0x60 [ 824.251607] [] apic_timer_interrupt+0x6d/0x80 [ 824.251614] [] ? smp_call_function_many+0x26a/0x2d0 [ 824.251619] [] ? flush_tlb_func+0xc0/0xc0 [ 824.251624] [] ? flush_tlb_func+0xc0/0xc0 [ 824.251628] [] smp_call_function+0x2a/0x50 [ 824.251633] [] on_each_cpu+0x23/0x80 [ 824.251638] [] flush_tlb_kernel_range+0x4a/0x70 [ 824.251644] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 824.251651] [] vm_unmap_aliases+0x167/0x180 [ 824.251656] [] change_page_attr_set_clr+0xb7/0x470 [ 824.251661] [] set_pages_array_wb+0x35/0x90 [ 824.251669] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 824.251677] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 824.251690] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 824.251695] [] ? free_pages+0x13/0x20 [ 824.251699] [] ? tlb_finish_mmu+0x35/0x60 [ 824.251703] [] ? unmap_region+0xd3/0x110 [ 824.251716] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 824.251729] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 824.251734] [] do_vfs_ioctl+0x2e0/0x4c0 [ 824.251740] [] ? vtime_account_user+0x54/0x60 [ 824.251746] [] SyS_ioctl+0x81/0xa0 [ 824.251751] [] tracesys+0xe1/0xe6 [ 824.251753] ---[ end trace e4c6421c6c03db15 ]--- [ 824.251756] ------------[ cut here ]------------ [ 824.251763] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 824.251813] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 824.251817] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 824.251819] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 824.251824] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 824.251828] ffff88033fc83b20 ffffffff810666ed ffff8802ce31d400 ffff8802ce31d400 [ 824.251833] 0000000010000000 0000000000005c14 ffff8803294e7290 ffff88033fc83b30 [ 824.251834] Call Trace: [ 824.251841] [] dump_stack+0x4d/0x6f [ 824.251847] [] warn_slowpath_common+0x7d/0xa0 [ 824.251853] [] warn_slowpath_null+0x1a/0x20 [ 824.251858] [] skb_release_head_state+0xdf/0xf0 [ 824.251864] [] skb_release_all+0x12/0x30 [ 824.251869] [] consume_skb+0x2c/0xa0 [ 824.251881] [] rtl8169_poll+0x49a/0x680 [r8169] [ 824.251887] [] netpoll_poll_dev+0x1b6/0x9d0 [ 824.251893] [] netpoll_send_skb_on_dev+0x301/0x430 [ 824.251901] [] netpoll_send_udp+0x27a/0x390 [ 824.251909] [] write_msg+0xcf/0x120 [netconsole] [ 824.251917] [] call_console_drivers.constprop.19+0x93/0x110 [ 824.251922] [] console_unlock+0x3bf/0x400 [ 824.251928] [] vprintk_emit+0x2be/0x530 [ 824.251933] [] printk+0x67/0x69 [ 824.251938] [] watchdog_timer_fn+0x11b/0x170 [ 824.251943] [] __run_hrtimer+0x77/0x250 [ 824.251948] [] ? watchdog_cleanup+0x10/0x10 [ 824.251953] [] hrtimer_interrupt+0xef/0x230 [ 824.251959] [] local_apic_timer_interrupt+0x37/0x60 [ 824.251965] [] smp_apic_timer_interrupt+0x3f/0x60 [ 824.251971] [] apic_timer_interrupt+0x6d/0x80 [ 824.251977] [] ? smp_call_function_many+0x26a/0x2d0 [ 824.251983] [] ? flush_tlb_func+0xc0/0xc0 [ 824.251987] [] ? flush_tlb_func+0xc0/0xc0 [ 824.251992] [] smp_call_function+0x2a/0x50 [ 824.251996] [] on_each_cpu+0x23/0x80 [ 824.252002] [] flush_tlb_kernel_range+0x4a/0x70 [ 824.252008] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 824.252014] [] vm_unmap_aliases+0x167/0x180 [ 824.252019] [] change_page_attr_set_clr+0xb7/0x470 [ 824.252025] [] set_pages_array_wb+0x35/0x90 [ 824.252033] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 824.252041] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 824.252054] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 824.252058] [] ? free_pages+0x13/0x20 [ 824.252062] [] ? tlb_finish_mmu+0x35/0x60 [ 824.252067] [] ? unmap_region+0xd3/0x110 [ 824.252080] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 824.252092] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 824.252098] [] do_vfs_ioctl+0x2e0/0x4c0 [ 824.252104] [] ? vtime_account_user+0x54/0x60 [ 824.252109] [] SyS_ioctl+0x81/0xa0 [ 824.252114] [] tracesys+0xe1/0xe6 [ 824.252117] ---[ end trace e4c6421c6c03db16 ]--- [ 824.252120] ------------[ cut here ]------------ [ 824.252126] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 824.252176] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 824.252180] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 824.252182] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 824.252187] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 824.252192] ffff88033fc83b20 ffffffff810666ed ffff8802ce31c500 ffff8802ce31c500 [ 824.252197] 0000000010000000 0000000000005c15 ffff8803294e72a0 ffff88033fc83b30 [ 824.252198] Call Trace: [ 824.252204] [] dump_stack+0x4d/0x6f [ 824.252210] [] warn_slowpath_common+0x7d/0xa0 [ 824.252216] [] warn_slowpath_null+0x1a/0x20 [ 824.252222] [] skb_release_head_state+0xdf/0xf0 [ 824.252228] [] skb_release_all+0x12/0x30 [ 824.252233] [] consume_skb+0x2c/0xa0 [ 824.252245] [] rtl8169_poll+0x49a/0x680 [r8169] [ 824.252252] [] netpoll_poll_dev+0x1b6/0x9d0 [ 824.252258] [] netpoll_send_skb_on_dev+0x301/0x430 [ 824.252265] [] netpoll_send_udp+0x27a/0x390 [ 824.252273] [] write_msg+0xcf/0x120 [netconsole] [ 824.252281] [] call_console_drivers.constprop.19+0x93/0x110 [ 824.252287] [] console_unlock+0x3bf/0x400 [ 824.252292] [] vprintk_emit+0x2be/0x530 [ 824.252297] [] printk+0x67/0x69 [ 824.252302] [] watchdog_timer_fn+0x11b/0x170 [ 824.252307] [] __run_hrtimer+0x77/0x250 [ 824.252312] [] ? watchdog_cleanup+0x10/0x10 [ 824.252317] [] hrtimer_interrupt+0xef/0x230 [ 824.252324] [] local_apic_timer_interrupt+0x37/0x60 [ 824.252330] [] smp_apic_timer_interrupt+0x3f/0x60 [ 824.252335] [] apic_timer_interrupt+0x6d/0x80 [ 824.252342] [] ? smp_call_function_many+0x26a/0x2d0 [ 824.252347] [] ? flush_tlb_func+0xc0/0xc0 [ 824.252352] [] ? flush_tlb_func+0xc0/0xc0 [ 824.252356] [] smp_call_function+0x2a/0x50 [ 824.252361] [] on_each_cpu+0x23/0x80 [ 824.252366] [] flush_tlb_kernel_range+0x4a/0x70 [ 824.252372] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 824.252379] [] vm_unmap_aliases+0x167/0x180 [ 852.252696] BUG: soft lockup - CPU#2 stuck for 22s! [alsa-sink-HDMI :6221] [ 852.252704] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 852.253123] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 852.253129] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 852.253136] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 852.253141] RIP: 0010:[] [] smp_call_function_many+0x26a/0x2d0 [ 852.253154] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 852.253162] RAX: 0000000000000004 RBX: 0000000000000297 RCX: ffff88033fd184a0 [ 852.253167] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 852.253173] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 852.253179] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000000 [ 852.253185] R13: ffff88033fff8e00 R14: 6e69732d61736c61 R15: 0000000000000000 [ 852.253192] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 852.253198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 852.253204] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 852.253209] Stack: [ 852.253216] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 852.253242] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 852.253267] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 852.253292] Call Trace: [ 852.253375] [] ? flush_tlb_func+0xc0/0xc0 [ 852.253385] [] ? flush_tlb_func+0xc0/0xc0 [ 852.253395] [] smp_call_function+0x2a/0x50 [ 852.253404] [] on_each_cpu+0x23/0x80 [ 852.253414] [] flush_tlb_kernel_range+0x4a/0x70 [ 852.253425] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 852.253436] [] vm_unmap_aliases+0x167/0x180 [ 852.253447] [] change_page_attr_set_clr+0xb7/0x470 [ 852.253458] [] set_pages_array_wb+0x35/0x90 [ 852.253473] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 852.253488] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 852.253508] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 852.253519] [] ? free_pages+0x13/0x20 [ 852.253529] [] ? tlb_finish_mmu+0x35/0x60 [ 852.253540] [] ? unmap_region+0xd3/0x110 [ 852.253560] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 852.253579] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 852.253591] [] do_vfs_ioctl+0x2e0/0x4c0 [ 852.253604] [] ? vtime_account_user+0x54/0x60 [ 852.253616] [] SyS_ioctl+0x81/0xa0 [ 852.253628] [] tracesys+0xe1/0xe6 [ 852.253636] Code: cd 49 29 00 3b 05 6f 43 c3 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 e6 d0 81 f6 41 20 01 74 cb 0f 1f 00 f3 90 41 20 01 75 f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef 48 8b [ 852.266689] BUG: soft lockup - CPU#3 stuck for 22s! [kmix:6351] [ 852.266695] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc ffff88033fd15100d0 41 5e 41 5f 5d c3 [ 865.505518] INFO: rcu_preempt detected stalls on CPUs/tasks: { 4} (detected by 3, t=240007 jiffies, g=17143, c=17142, q=0) [ 865.505594] sending NMI to all CPUs: [ 865.505602] NMI backtrace for cpu 3 [ 865.505607] CPU: 3 PID: 6351 Comm: kmix Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 865.505610] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 865.505614] task: ffff8802e1189820 ti: ffff8800aaa56000 task.ti: ffff8800aaa56000 [ 865.505617] RIP: 0010:[] [] __bitmap_empty+0x3/0x80 [ 865.505624] RSP: 0000:ffff88033fcc3df8 EFLAGS: 00000046 [ 865.505627] RAX: 0000000000000000 RBX: 0000000000002710 RCX: 000000000000013f [ 865.505631] RDX: 0000000000000c00 RSI: 0000000000000100 RDI: ffffffff81d0eea0 [ 865.505634] RBP: ffff88033fcc3e08 R08: 0000000000000082 R09: 0000000000001919 [ 865.505637] R10: ffff88032e6f0098 R11: 0000000000000004 R12: ffffffff81c4ccc0 [ 865.505641] R13: ffffffff81d0f320 R14: ffffffff81c4ccc0 R15: 0000000000000003 [ 865.505644] FS: 00007f0896c63800(0000) GS:ffff88033fcc0000(0000) knlGS:0000000000000000 [ 865.505648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 865.505651] CR2: 00007f088b4002a8 CR3: 00000000afe47000 CR4: 00000000000007e0 [ 865.505654] Stack: [ 865.505656] ffffffff810466a1 ffff88033fcce600 ffff88033fcc3e60 ffffffff810caf61 [ 865.505663] ffffffff81c4ccc0 ffffffff00000004 0000000000000000 0000000000000001 [ 865.505669] ffff8802e1189820 0000000000000000 0000000000000003 ffff88033fcce120 [ 865.505676] Call Trace: [ 865.505678] [ 865.505679] [] ? arch_trigger_all_cpu_backtrace+0x81/0xb0 [ 865.505689] [] rcu_check_callbacks+0x701/0x720 [ 865.505694] [] update_process_times+0x47/0x70 [ 865.505698] [] tick_sched_handle.isra.17+0x25/0x60 [ 865.505702] [] tick_sched_timer+0x41/0x60 [ 865.505706] [] __run_hrtimer+0x77/0x250 [ 865.505710] [] ? tick_sched_handle.isra.17+0x60/0x60 [ 865.505714] [] hrtimer_interrupt+0xef/0x230 [ 865.505777] [] local_apic_timer_interrupt+0x37/0x60 [ 865.505782] [] smp_apic_timer_interrupt+0x3f/0x60 [ 865.505786] [] apic_timer_interrupt+0x6d/0x80 [ 865.505788] [ 865.505791] [] ? generic_exec_single+0x82/0xb0 [ 865.505801] [] ? leave_mm+0x80/0x80 [ 865.505806] [] smp_call_function_single+0xf5/0x1b0 [ 865.505811] [] ? leave_mm+0x80/0x80 [ 865.505816] [] smp_call_function_many+0x286/0x2d0 [ 865.505820] [] ? leave_mm+0x80/0x80 [ 865.505825] [] native_flush_tlb_others+0x37/0x40 [ 865.505830] [] flush_tlb_page+0x5e/0xd0 [ 865.505834] [] ptep_clear_flush+0x48/0x60 [ 865.505839] [] do_wp_page+0x27a/0x7f0 [ 865.505844] [] handle_pte_fault+0x2a3/0xa20 [ 865.505904] [] ? __pte_alloc+0xbd/0x170 [ 865.505909] [] handle_mm_fault+0x343/0x4b0 [ 865.505913] [] __do_page_fault+0x167/0x5b0 [ 865.505919] [] ? acct_account_cputime+0x1c/0x20 [ 865.505923] [] ? account_user_time+0x8b/0xa0 [ 865.505928] [] ? vtime_account_user+0x54/0x60 [ 865.505931] [] do_page_fault+0x1a/0x70 [ 865.505935] [] page_fault+0x28/0x30 [ 865.505938] Code: 30 4c 89 44 24 38 48 89 44 24 08 48 8d 44 24 18 4c 89 4c 24 40 c7 04 24 10 00 00 00 48 89 44 24 10 e8 42 ff ff ff c9 c3 8d 4e 3f <85> f6 55 0f 49 ce 48 89 e5 c1 f9 06 85 c9 7e 61 48 83 3f 00 75 [ 865.506518] NMI backtrace for cpu 2 [ 865.506531] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 865.506539] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 865.506547] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 865.506554] RIP: 0010:[] [] smp_call_function_many+0x26e/0x2d0 [ 865.506570] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 865.506579] RAX: 0000000000000004 RBX: ffff88033fc95148 RCX: ffff88033fd184a0 [ 865.506587] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 865.506595] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 865.506603] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000006 [ 865.506611] R13: ffff88033fc95140 R14: ffff88033fd55110 R15: ffff88033fd584a0 [ 865.506620] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 865.506710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 865.506719] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 865.506726] Stack: [ 865.506732] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 865.506752] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 865.506767] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 865.506792] Call Trace: [ 865.506804] [] ? flush_tlb_func+0xc0/0xc0 [ 865.506814] [] ? flush_tlb_func+0xc0/0xc0 [ 865.506824] [] smp_call_function+0x2a/0x50 [ 865.506833] [] on_each_cpu+0x23/0x80 [ 865.506844] [] flush_tlb_kernel_range+0x4a/0x70 [ 865.506855] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 865.506867] [] vm_unmap_aliases+0x167/0x180 [ 865.506877] [] change_page_attr_set_clr+0xb7/0x470 [ 865.506888] [] set_pages_array_wb+0x35/0x90 [ 865.506905] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 865.506995] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 865.507014] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 865.507025] [] ? free_pages+0x13/0x20 [ 865.507036] [] ? tlb_finish_mmu+0x35/0x60 [ 865.507048] [] ? unmap_region+0xd3/0x110 [ 865.507068] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 865.507087] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 865.507099] [] do_vfs_ioctl+0x2e0/0x4c0 [ 865.507112] [] ? vtime_account_user+0x54/0x60 [ 865.507124] [] SyS_ioctl+0x81/0xa0 [ 865.507136] [] tracesys+0xe1/0xe6 [ 865.507143] Code: 3b 05 6f 43 c3 00 89 c2 0f [ 892.255172] BUG: soft lockup - CPU#2 stuck for 22s! [alsa-sink-HDMI :6221] [ 892.255232] ------------[ cut here ]------------ [ 892.255240] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 892.255292] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 892.255296] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 892.255298] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 892.255304] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 892.255309] ffff88033fc83b20 ffffffff810666ed ffff8800ab2b6900 ffff8800ab2b6900 [ 892.255314] 0000000010000000 00000000000064b3 ffff8803294e7480 ffff88033fc83b30 [ 892.255316] Call Trace: [ 892.255323] [] dump_stack+0x4d/0x6f [ 892.255330] [] warn_slowpath_common+0x7d/0xa0 [ 892.255336] [] warn_slowpath_null+0x1a/0x20 [ 892.255342] [] skb_release_head_state+0xdf/0xf0 [ 892.255348] [] skb_release_all+0x12/0x30 [ 892.255354] [] consume_skb+0x2c/0xa0 [ 892.255366] [] rtl8169_poll+0x49a/0x680 [r8169] [ 892.255373] [] netpoll_poll_dev+0x1b6/0x9d0 [ 892.255379] [] netpoll_send_skb_on_dev+0x301/0x430 [ 892.255386] [] netpoll_send_udp+0x27a/0x390 [ 892.255395] [] write_msg+0xcf/0x120 [netconsole] [ 892.255403] [] call_console_drivers.constprop.19+0x93/0x110 [ 892.255409] [] console_unlock+0x3bf/0x400 [ 892.255415] [] vprintk_emit+0x2be/0x530 [ 892.255419] [] printk+0x67/0x69 [ 892.255425] [] watchdog_timer_fn+0x11b/0x170 [ 892.255430] [] __run_hrtimer+0x77/0x250 [ 892.255435] [] ? watchdog_cleanup+0x10/0x10 [ 892.255441] [] hrtimer_interrupt+0xef/0x230 [ 892.255448] [] local_apic_timer_interrupt+0x37/0x60 [ 892.255454] [] smp_apic_timer_interrupt+0x3f/0x60 [ 892.255459] [] apic_timer_interrupt+0x6d/0x80 [ 892.255466] [] ? smp_call_function_many+0x26a/0x2d0 [ 892.255472] [] ? flush_tlb_func+0xc0/0xc0 [ 892.255477] [] ? flush_tlb_func+0xc0/0xc0 [ 892.255482] [] smp_call_function+0x2a/0x50 [ 892.255487] [] on_each_cpu+0x23/0x80 [ 892.255492] [] flush_tlb_kernel_range+0x4a/0x70 [ 892.255499] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 892.255505] [] vm_unmap_aliases+0x167/0x180 [ 892.255510] [] change_page_attr_set_clr+0xb7/0x470 [ 892.255516] [] set_pages_array_wb+0x35/0x90 [ 892.255524] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 892.255532] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 892.255545] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 892.255549] [] ? free_pages+0x13/0x20 [ 892.255553] [] ? tlb_finish_mmu+0x35/0x60 [ 892.255558] [] ? unmap_region+0xd3/0x110 [ 892.255571] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 892.255583] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 892.255589] [] do_vfs_ioctl+0x2e0/0x4c0 [ 892.255595] [] ? vtime_account_user+0x54/0x60 [ 892.255601] [] SyS_ioctl+0x81/0xa0 [ 892.255606] [] tracesys+0xe1/0xe6 [ 892.255608] ---[ end trace e4c6421c6c03db22 ]--- [ 892.255615] ------------[ cut here ]------------ [ 892.255621] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 892.255672] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 892.255676] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 892.255678] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 892.255683] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 892.255688] ffff88033fc83b20 ffffffff810666ed ffff8800a0ed8c00 ffff8800a0ed8c00 [ 892.255693] 0000000010000000 00000000000064b4 ffff8803294e7490 ffff88033fc83b30 [ 892.255694] Call Trace: [ 892.255701] [] dump_stack+0x4d/0x6f [ 892.255707] [] warn_slowpath_common+0x7d/0xa0 [ 892.255713] [] warn_slowpath_null+0x1a/0x20 [ 892.255719] [] skb_release_head_state+0xdf/0xf0 [ 892.255724] [] skb_release_all+0x12/0x30 [ 892.255730] [] consume_skb+0x2c/0xa0 [ 892.255742] [] rtl8169_poll+0x49a/0x680 [r8169] [ 892.255748] [] netpoll_poll_dev+0x1b6/0x9d0 [ 892.255754] [] netpoll_send_skb_on_dev+0x301/0x430 [ 892.255761] [] netpoll_send_udp+0x27a/0x390 [ 892.255769] [] write_msg+0xcf/0x120 [netconsole] [ 892.255777] [] call_console_drivers.constprop.19+0x93/0x110 [ 892.255783] [] console_unlock+0x3bf/0x400 [ 892.255788] [] vprintk_emit+0x2be/0x530 [ 892.255793] [] printk+0x67/0x69 [ 892.255798] [] watchdog_timer_fn+0x11b/0x170 [ 892.255803] [] __run_hrtimer+0x77/0x250 [ 892.255808] [] ? watchdog_cleanup+0x10/0x10 [ 892.255813] [] hrtimer_interrupt+0xef/0x230 [ 892.255820] [] local_apic_timer_interrupt+0x37/0x60 [ 892.255826] [] smp_apic_timer_interrupt+0x3f/0x60 [ 892.255831] [] apic_timer_interrupt+0x6d/0x80 [ 892.255838] [] ? smp_call_function_many+0x26a/0x2d0 [ 892.255843] [] ? flush_tlb_func+0xc0/0xc0 [ 892.255848] [] ? flush_tlb_func+0xc0/0xc0 [ 892.255853] [] smp_call_function+0x2a/0x50 [ 892.255857] [] on_each_cpu+0x23/0x80 [ 892.255863] [] flush_tlb_kernel_range+0x4a/0x70 [ 892.255869] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 892.255875] [] vm_unmap_aliases+0x167/0x180 [ 892.255880] [] change_page_attr_set_clr+0xb7/0x470 [ 892.255885] [] set_pages_array_wb+0x35/0x90 [ 892.255894] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 892.255902] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 892.255914] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 892.255919] [] ? free_pages+0x13/0x20 [ 892.255923] [] ? tlb_finish_mmu+0x35/0x60 [ 892.255928] [] ? unmap_region+0xd3/0x110 [ 892.255940] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 892.255953] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 892.255958] [] do_vfs_ioctl+0x2e0/0x4c0 [ 892.255964] [] ? vtime_account_user+0x54/0x60 [ 892.255970] [] SyS_ioctl+0x81/0xa0 [ 892.255975] [] tracesys+0xe1/0xe6 [ 892.255977] ---[ end trace e4c6421c6c03db23 ]--- [ 892.255982] ------------[ cut here ]------------ [ 892.255988] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 892.256039] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 892.256043] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 892.256045] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 892.256050] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 892.256055] ffff88033fc83b20 ffffffff810666ed ffff8800a0ed8a00 ffff8800a0ed8a00 [ 892.256060] 0000000010000000 00000000000064b5 ffff8803294e74a0 ffff88033fc83b30 [ 892.256061] Call Trace: [ 892.256067] [] dump_stack+0x4d/0x6f [ 892.256073] [] warn_slowpath_common+0x7d/0xa0 [ 892.256079] [] warn_slowpath_null+0x1a/0x20 [ 892.256085] [] skb_release_head_state+0xdf/0xf0 [ 892.256091] [] skb_release_all+0x12/0x30 [ 892.256096] [] consume_skb+0x2c/0xa0 [ 892.256108] [] rtl8169_poll+0x49a/0x680 [r8169] [ 892.256114] [] netpoll_poll_dev+0x1b6/0x9d0 [ 892.256120] [] netpoll_send_skb_on_dev+0x301/0x430 [ 892.256127] [] netpoll_send_udp+0x27a/0x390 [ 892.256136] [] write_msg+0xcf/0x120 [netconsole] [ 892.256144] [] call_console_drivers.constprop.19+0x93/0x110 [ 892.256149] [] console_unlock+0x3bf/0x400 [ 892.256155] [] vprintk_emit+0x2be/0x530 [ 892.256159] [] printk+0x67/0x69 [ 892.256165] [] watchdog_timer_fn+0x11b/0x170 [ 892.256170] [] __run_hrtimer+0x77/0x250 [ 892.256174] [] ? watchdog_cleanup+0x10/0x10 [ 892.256180] [] hrtimer_interrupt+0xef/0x230 [ 892.256186] [] local_apic_timer_interrupt+0x37/0x60 [ 892.256192] [] smp_apic_timer_interrupt+0x3f/0x60 [ 892.256198] [] apic_timer_interrupt+0x6d/0x80 [ 892.256204] [] ? smp_call_function_many+0x26a/0x2d0 [ 892.256210] [] ? flush_tlb_func+0xc0/0xc0 [ 892.256214] [] ? flush_tlb_func+0xc0/0xc0 [ 892.256219] [] smp_call_function+0x2a/0x50 [ 892.256223] [] on_each_cpu+0x23/0x80 [ 892.256229] [] flush_tlb_kernel_range+0x4a/0x70 [ 892.256235] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 892.256241] [] vm_unmap_aliases+0x167/0x180 [ 892.256246] [] change_page_attr_set_clr+0xb7/0x470 [ 892.256252] [] set_pages_array_wb+0x35/0x90 [ 892.256260] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 892.256268] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 892.256281] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 892.256285] [] ? free_pages+0x13/0x20 [ 892.256289] [] ? tlb_finish_mmu+0x35/0x60 [ 892.256294] [] ? unmap_region+0xd3/0x110 [ 892.256307] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 892.256319] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 892.256325] [] do_vfs_ioctl+0x2e0/0x4c0 [ 892.256331] [] ? vtime_account_user+0x54/0x60 [ 892.256336] [] SyS_ioctl+0x81/0xa0 [ 892.256341] [] tracesys+0xe1/0xe6 [ 892.256344] ---[ end trace e4c6421c6c03db24 ]--- [ 892.257917] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco89 c2 vboxnetadp(OF)[ 920.256905] BUG: soft lockup - CPU#2 stuck for 23s! [alsa-sink-HDMI :6221] [ 920.256960] ------------[ cut here ]------------ [ 920.256967] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 920.257018] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 920.257023] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 920.257025] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 920.257031] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 920.257036] ffff88033fc83b20 ffffffff810666ed ffff8800a0ed8800 ffff8800a0ed8800 [ 920.257041] 0000000010000000 00000000000066bf ffff8803294e7540 ffff88033fc83b30 [ 920.257042] Call Trace: [ 920.257049] [] dump_stack+0x4d/0x6f [ 920.257055] [] warn_slowpath_common+0x7d/0xa0 [ 920.257062] [] warn_slowpath_null+0x1a/0x20 [ 920.257067] [] skb_release_head_state+0xdf/0xf0 [ 920.257073] [] skb_release_all+0x12/0x30 [ 920.257078] [] consume_skb+0x2c/0xa0 [ 920.257090] [] rtl8169_poll+0x49a/0x680 [r8169] [ 920.257096] [] netpoll_poll_dev+0x1b6/0x9d0 [ 920.257102] [] netpoll_send_skb_on_dev+0x301/0x430 [ 920.257109] [] netpoll_send_udp+0x27a/0x390 [ 920.257117] [] write_msg+0xcf/0x120 [netconsole] [ 920.257125] [] call_console_drivers.constprop.19+0x93/0x110 [ 920.257130] [] console_unlock+0x3bf/0x400 [ 920.257136] [] vprintk_emit+0x2be/0x530 [ 920.257140] [] printk+0x67/0x69 [ 920.257146] [] watchdog_timer_fn+0x11b/0x170 [ 920.257151] [] __run_hrtimer+0x77/0x250 [ 920.257155] [] ? watchdog_cleanup+0x10/0x10 [ 920.257160] [] hrtimer_interrupt+0xef/0x230 [ 920.257167] [] local_apic_timer_interrupt+0x37/0x60 [ 920.257173] [] smp_apic_timer_interrupt+0x3f/0x60 [ 920.257178] [] apic_timer_interrupt+0x6d/0x80 [ 920.257184] [] ? smp_call_function_many+0x26a/0x2d0 [ 920.257189] [] ? flush_tlb_func+0xc0/0xc0 [ 920.257194] [] ? flush_tlb_func+0xc0/0xc0 [ 920.257199] [] smp_call_function+0x2a/0x50 [ 920.257203] [] on_each_cpu+0x23/0x80 [ 920.257209] [] flush_tlb_kernel_range+0x4a/0x70 [ 920.257215] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 920.257221] [] vm_unmap_aliases+0x167/0x180 [ 920.257226] [] change_page_attr_set_clr+0xb7/0x470 [ 920.257231] [] set_pages_array_wb+0x35/0x90 [ 920.257239] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 920.257247] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 920.257259] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 920.257263] [] ? free_pages+0x13/0x20 [ 920.257267] [] ? tlb_finish_mmu+0x35/0x60 [ 920.257272] [] ? unmap_region+0xd3/0x110 [ 920.257284] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 920.257296] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 920.257302] [] do_vfs_ioctl+0x2e0/0x4c0 [ 920.257308] [] ? vtime_account_user+0x54/0x60 [ 920.257313] [] SyS_ioctl+0x81/0xa0 [ 920.257318] [] tracesys+0xe1/0xe6 [ 920.257321] ---[ end trace e4c6421c6c03db25 ]--- [ 920.257324] ------------[ cut here ]------------ [ 920.257330] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 920.257379] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 920.257383] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 920.257384] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 920.257390] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 920.257394] ffff88033fc83b20 ffffffff810666ed ffff8800a0ed8700 ffff8800a0ed8700 [ 920.257399] 0000000010000000 00000000000066c0 ffff8803294e7550 ffff88033fc83b30 [ 920.257400] Call Trace: [ 920.257407] [] dump_stack+0x4d/0x6f [ 920.257413] [] warn_slowpath_common+0x7d/0xa0 [ 920.257419] [] warn_slowpath_null+0x1a/0x20 [ 920.257424] [] skb_release_head_state+0xdf/0xf0 [ 920.257429] [] skb_release_all+0x12/0x30 [ 920.257435] [] consume_skb+0x2c/0xa0 [ 920.257447] [] rtl8169_poll+0x49a/0x680 [r8169] [ 920.257452] [] netpoll_poll_dev+0x1b6/0x9d0 [ 920.257458] [] netpoll_send_skb_on_dev+0x301/0x430 [ 920.257465] [] netpoll_send_udp+0x27a/0x390 [ 920.257474] [] write_msg+0xcf/0x120 [netconsole] [ 920.257481] [] call_console_drivers.constprop.19+0x93/0x110 [ 920.257487] [] console_unlock+0x3bf/0x400 [ 920.257492] [] vprintk_emit+0x2be/0x530 [ 920.257497] [] printk+0x67/0x69 [ 920.257502] [] watchdog_timer_fn+0x11b/0x170 [ 920.257507] [] __run_hrtimer+0x77/0x250 [ 920.257512] [] ? watchdog_cleanup+0x10/0x10 [ 920.257516] [] hrtimer_interrupt+0xef/0x230 [ 920.257523] [] local_apic_timer_interrupt+0x37/0x60 [ 920.257529] [] smp_apic_timer_interrupt+0x3f/0x60 [ 920.257534] [] apic_timer_interrupt+0x6d/0x80 [ 920.257540] [] ? smp_call_function_many+0x26a/0x2d0 [ 920.257545] [] ? flush_tlb_func+0xc0/0xc0 [ 920.257550] [] ? flush_tlb_func+0xc0/0xc0 [ 920.257554] [] smp_call_function+0x2a/0x50 [ 920.257559] [] on_each_cpu+0x23/0x80 [ 920.257564] [] flush_tlb_kernel_range+0x4a/0x70 [ 920.257570] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 920.257576] [] vm_unmap_aliases+0x167/0x180 [ 920.257581] [] change_page_attr_set_clr+0xb7/0x470 [ 920.257586] [] set_pages_array_wb+0x35/0x90 [ 920.257594] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 920.257602] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 920.257614] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 920.257618] [] ? free_pages+0x13/0x20 [ 920.257622] [] ? tlb_finish_mmu+0x35/0x60 [ 920.257627] [] ? unmap_region+0xd3/0x110 [ 920.257639] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 920.257651] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 920.257657] [] do_vfs_ioctl+0x2e0/0x4c0 [ 920.257662] [] ? vtime_account_user+0x54/0x60 [ 920.257668] [] SyS_ioctl+0x81/0xa0 [ 920.257673] [] tracesys+0xe1/0xe6 [ 920.257675] ---[ end trace e4c6421c6c03db26 ]--- [ 920.257678] ------------[ cut here ]------------ [ 920.257684] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 920.257732] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 920.257736] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 920.257738] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 920.257743] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 920.257748] ffff88033fc83b20 ffffffff810666ed ffff8800a0ed8600 ffff8800a0ed8600 [ 920.257752] 0000000010000000 00000000000066c1 ffff8803294e7160 ffff88033fc83b30 [ 920.257753] Call Trace: [ 920.257760] [] dump_stack+0x4d/0x6f [ 920.257766] [] warn_slowpath_common+0x7d/0xa0 [ 920.257772] [] warn_slowpath_null+0x1a/0x20 [ 920.257777] [] skb_release_head_state+0xdf/0xf0 [ 920.257782] [] skb_release_all+0x12/0x30 [ 920.257788] [] consume_skb+0x2c/0xa0 [ 920.257800] [] rtl8169_poll+0x49a/0x680 [r8169] [ 920.257806] [] netpoll_poll_dev+0x1b6/0x9d0 [ 920.257811] [] netpoll_send_skb_on_dev+0x301/0x430 [ 920.257819] [] netpoll_send_udp+0x27a/0x390 [ 920.257827] [] write_msg+0xcf/0x120 [netconsole] [ 920.257835] [] call_console_drivers.constprop.19+0x93/0x110 [ 920.257840] [] console_unlock+0x3bf/0x400 [ 920.257845] [] vprintk_emit+0x2be/0x530 [ 920.257850] [] printk+0x67/0x69 [ 920.257855] [] watchdog_timer_fn+0x11b/0x170 [ 920.257860] [] __run_hrtimer+0x77/0x250 [ 920.257865] [] ? watchdog_cleanup+0x10/0x10 [ 920.257869] [] hrtimer_interrupt+0xef/0x230 [ 920.257876] [] local_apic_timer_interrupt+0x37/0x60 [ 920.257882] [] smp_apic_timer_interrupt+0x3f/0x60 [ 920.257887] [] apic_timer_interrupt+0x6d/0x80 [ 920.257893] [] ? smp_call_function_many+0x26a/0x2d0 [ 920.257898] [] ? flush_tlb_func+0xc0/0xc0 [ 920.257903] [] ? flush_tlb_func+0xc0/0xc0 [ 920.257907] [] smp_call_function+0x2a/0x50 [ 920.257912] [] on_each_cpu+0x23/0x80 [ 920.257917] [] flush_tlb_kernel_range+0x4a/0x70 [ 920.257923] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 920.257929] [] vm_unmap_aliases+0x167/0x180 [ 920.257934] [] change_page_attr_set_clr+0xb7/0x470 [ 920.257939] [] set_pages_array_wb+0x35/0x90 [ 920.257947] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 920.257954] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 920.257967] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 920.257971] [] ? free_pages+0x13/0x20 [ 920.257975] [] ? tlb_finish_mmu+0x35/0x60 [ 920.257979] [] ? unmap_region+0xd3/0x110 [ 920.257992] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 920.258004] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 920.258009] [] do_vfs_ioctl+0x2e0/0x4c0 [ 920.258015] [] ? vtime_account_user+0x54/0x60 [ 920.258020] [] SyS_ioctl+0x81/0xa0 [ 920.258025] [] tracesys+0xe1/0xe6 [ 920.258028] ---[ end trace e4c6421c6c03db27 ]--- [ 920.258031] ------------[ cut here ]------------ [ 920.258038] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 920.258086] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 920.258089] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 920.258091] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 920.258096] 0000000000000009 ffff88033fc83ae8 ffffffff8170e73d 0000000000000000 [ 920.258101] ffff88033fc83b20 ffffffff810666ed ffff8800a0ed8500 ffff8800a0ed8500 [ 920.258106] 0000000010000000 00000000000066c2 ffff8803294e7170 ffff88033fc83b30 [ 920.258107] Call Trace: [ 920.258113] [] dump_stack+0x4d/0x6f [ 920.258119] [] warn_slowpath_common+0x7d/0xa0 [ 920.258125] [] warn_slowpath_null+0x1a/0x20 [ 920.258131] [] skb_release_head_state+0xdf/0xf0 [ 920.258136] [] skb_release_all+0x12/0x30 [ 920.258141] [] consume_skb+0x2c/0xa0 [ 920.258153] [] rtl8169_poll+0x49a/0x680 [r8169] [ 920.258159] [] netpoll_poll_dev+0x1b6/0x9d0 [ 920.258165] [] netpoll_send_skb_on_dev+0x301/0x430 [ 920.258172] [] netpoll_send_udp+0x27a/0x390 [ 920.258180] [] write_msg+0xcf/0x120 [netconsole] [ 920.258187] [] call_console_drivers.constprop.19+0x93/0x110 [ 920.258193] [] console_unlock+0x3bf/0x400 [ 920.258198] [] vprintk_emit+0x2be/0x530 [ 920.258203] [] printk+0x67/0x69 [ 920.258208] [] watchdog_timer_fn+0x11b/0x170 [ 920.258213] [] __run_hrtimer+0x77/0x250 [ 920.258218] [] ? watchdog_cleanup+0x10/0x10 [ 920.258223] [] hrtimer_interrupt+0xef/0x230 [ 920.258229] [] local_apic_timer_interrupt+0x37/0x60 [ 920.258235] [] smp_apic_timer_interrupt+0x3f/0x60 [ 920.258240] [] apic_timer_interrupt+0x6d/0x80 [ 920.258246] [] ? smp_call_function_many+0x26a/0x2d0 [ 920.258252] [] ? flush_tlb_func+0xc0/0xc0 [ 920.258256] [] ? flush_tlb_func+0xc0/0xc0 [ 920.258261] [] smp_call_function+0x2a/0x50 [ 920.258265] [] on_each_cpu+0x23/0x80 [ 920.258270] [] flush_tlb_kernel_range+0x4a/0x70 [ 920.258276] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 920.258282] [] vm_unmap_aliases+0x167/0x180 [ 920.258287] [] change_page_attr_set_clr+0xb7/0x470 [ 920.258444] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 920.258732] [] tracesys+0xe1/0xe6 [ 920.259349] [] set_pages_array_wb+0x35/0x90 snd_hda_intel parport_pc48 [ 925.566546] sd 0:0:0:0: [sda] Unhandled error code [ 925.566668] sd 0:0:0:0: [sda] [ 925.566672] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 925.566677] sd 0:0:0:0: [sda] CDB: [ 925.566681] Read(10): 28 00 06 b7 d3 00 00 00 20 00 [ 925.566711] blk_update_request: 33 callbacks suppressed [ 925.566715] end_request: I/O error, dev sda, sector 112710400 [ 925.566738] sd 0:0:0:0: [sda] Unhandled error code [ 925.566742] sd 0:0:0:0: [sda] [ 925.566745] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 925.566749] sd 0:0:0:0: [sda] CDB: [ 925.566752] Read(10): 28 00 06 b7 d3 00 00 00 08 00 [ 925.566773] end_request: I/O error, dev sda, sector 112710400 [ 948.258638] BUG: soft lockup - CPU#2 stuck for 23s! [alsa-sink-HDMI :6221] [ 948.258645] Modules linked in:[ 948.258703] ------------[ cut here ]------------ [ 948.258710] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 948.258711] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 948.258782] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 948.258784] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 948.258786] 0000000000000009 ffff88033fc83ab8 ffffffff8170e73d 0000000000000000 [ 948.258793] ffff88033fc83af0 ffffffff810666ed ffff8802ce0bf500 ffff8802ce0bf500 [ 948.258799] 0000000010000000 00000000000069d4 ffff8803294e7290 ffff88033fc83b00 [ 948.258805] Call Trace: [ 948.258806] [] dump_stack+0x4d/0x6f [ 948.258813] [] warn_slowpath_common+0x7d/0xa0 [ 948.258820] [] warn_slowpath_null+0x1a/0x20 [ 948.258826] [] skb_release_head_state+0xdf/0xf0 [ 948.258832] [] skb_release_all+0x12/0x30 [ 948.258837] [] consume_skb+0x2c/0xa0 [ 948.258845] [] rtl8169_poll+0x49a/0x680 [r8169] [ 948.258856] [] netpoll_poll_dev+0x1b6/0x9d0 [ 948.258862] [] netpoll_send_skb_on_dev+0x301/0x430 [ 948.258870] [] netpoll_send_udp+0x27a/0x390 [ 948.258877] [] write_msg+0xcf/0x120 [netconsole] [ 948.258885] [] call_console_drivers.constprop.19+0x93/0x110 [ 948.258892] [] console_unlock+0x2ae/0x400 [ 948.258898] [] vprintk_emit+0x2be/0x530 [ 948.258904] [] printk+0x67/0x69 [ 948.258908] [] print_modules+0x29/0xe0 [ 948.258914] [] watchdog_timer_fn+0x120/0x170 [ 948.258920] [] __run_hrtimer+0x77/0x250 [ 948.258925] [] ? watchdog_cleanup+0x10/0x10 [ 948.258931] [] hrtimer_interrupt+0xef/0x230 [ 948.258937] [] local_apic_timer_interrupt+0x37/0x60 [ 948.258943] [] smp_apic_timer_interrupt+0x3f/0x60 [ 948.258949] [] apic_timer_interrupt+0x6d/0x80 [ 948.258955] [] ? smp_call_function_many+0x26a/0x2d0 [ 948.258962] [] ? flush_tlb_func+0xc0/0xc0 [ 948.258967] [] ? flush_tlb_func+0xc0/0xc0 [ 948.258972] [] smp_call_function+0x2a/0x50 [ 948.258977] [] on_each_cpu+0x23/0x80 [ 948.258982] [] flush_tlb_kernel_range+0x4a/0x70 [ 948.258987] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 948.258994] [] vm_unmap_aliases+0x167/0x180 [ 948.259000] [] change_page_attr_set_clr+0xb7/0x470 [ 948.259005] [] set_pages_array_wb+0x35/0x90 [ 948.259011] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 948.259019] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 948.259028] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 948.259040] [] ? free_pages+0x13/0x20 [ 948.259044] [] ? tlb_finish_mmu+0x35/0x60 [ 948.259049] [] ? unmap_region+0xd3/0x110 [ 948.259054] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 948.259067] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 948.259079] [] do_vfs_ioctl+0x2e0/0x4c0 [ 948.259085] [] ? vtime_account_user+0x54/0x60 [ 948.259091] [] SyS_ioctl+0x81/0xa0 [ 948.259097] [] tracesys+0xe1/0xe6 [ 948.259103] ---[ end trace e4c6421c6c03db2c ]--- [ 948.259108] ------------[ cut here ]------------ [ 948.259115] WARNING: CPU: 2 PID: 6221 at /build/buildd/linux-3.13.0/net/core/skbuff.c:589 skb_release_head_state+0xdf/0xf0() [ 948.259116] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm[ 948.261177] ffff88033fc83af0 serio_raw[ 976.260371] BUG: soft lockup - CPU#2 stuck for 23s! [alsa-sink-HDMI :6221] [ 976.260377] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq microcode psmouse snd_seq_device fglrx(POF) rfcomm snd_page_alloc bnep bluetooth edac_core serio_raw k10temp edac_mce_amd sp5100_tco snd_timer i2c_piix4 snd netconsole soundcore amd_iommu_v2 configfs lp parport joydev mac_hid binfmt_misc hid_generic usbhid hid mxm_wmi r8169 ahci libahci mii wmi [ 976.260737] CPU: 2 PID: 6221 Comm: alsa-sink-HDMI Tainted: PF WC O 3.13.0-6-lowlatency #23-Ubuntu [ 976.260743] Hardware name: MSI MS-7640/990FXA-GD65 (MS-7640), BIOS V19.9 10/08/2012 [ 976.260751] task: ffff8802c69f1820 ti: ffff8802cd774000 task.ti: ffff8802cd774000 [ 976.260759] RIP: 0010:[] [] smp_call_function_many+0x26a/0x2d0 [ 976.260771] RSP: 0018:ffff8802cd775b30 EFLAGS: 00000202 [ 976.260777] RAX: 0000000000000004 RBX: 0000000000000297 RCX: ffff88033fd184a0 [ 976.260783] RDX: 0000000000000004 RSI: 0000000000000100 RDI: 0000000000000000 [ 976.260789] RBP: ffff8802cd775b80 R08: ffff88033fc95148 R09: 0000000000000004 [ 976.260795] R10: ffff88033fc95148 R11: 0000000000000246 R12: 0000000000000000 [ 976.260802] R13: ffff88033fff8e00 R14: 6e69732d61736c61 R15: 0000000000000000 [ 976.260809] FS: 00007f9172beb700(0000) GS:ffff88033fc80000(0000) knlGS:0000000000000000 [ 976.260815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 976.260821] CR2: 00007f3120029028 CR3: 000000009bfca000 CR4: 00000000000007e0 [ 976.260826] Stack: [ 976.260831] ffff88033fc95168 0000000000015100 0000000000000000 ffffffff8105bc70 [ 976.260917] 0000010000000001 0000000000000018 ffffffff8105bc70 0000000000000000 [ 976.260939] ffff88033fdd07e8 ffff88033fdd0748 ffff8802cd775b90 ffffffff810dc1ea [ 976.260963] Call Trace: [ 976.260975] [] ? flush_tlb_func+0xc0/0xc0 [ 976.260987] [] ? flush_tlb_func+0xc0/0xc0 [ 976.260998] [] smp_call_function+0x2a/0x50 [ 976.261009] [] on_each_cpu+0x23/0x80 [ 976.261020] [] flush_tlb_kernel_range+0x4a/0x70 [ 976.261032] [] __purge_vmap_area_lazy+0x3dd/0x450 [ 976.261046] [] vm_unmap_aliases+0x167/0x180 [ 976.261058] [] change_page_attr_set_clr+0xb7/0x470 [ 976.261068] [] set_pages_array_wb+0x35/0x90 [ 976.261081] [] __mark_pages_wc+0x85/0x90 [snd_hda_intel] [ 976.261094] [] azx_pcm_hw_free+0xab/0xe0 [snd_hda_intel] [ 976.261112] [] snd_pcm_common_ioctl1+0x61b/0xd00 [snd_pcm] [ 976.261121] [] ? free_pages+0x13/0x20 [ 976.261129] [] ? tlb_finish_mmu+0x35/0x60 [ 976.261139] [] ? unmap_region+0xd3/0x110 [ 976.261157] [] snd_pcm_playback_ioctl1+0xf8/0x270 [snd_pcm] [ 976.261249] [] snd_pcm_playback_ioctl+0x30/0x40 [snd_pcm] [ 976.261261] [] do_vfs_ioctl+0x2e0/0x4c0 [ 976.261273] [] ? vtime_account_user+0x54/0x60 [ 976.261284] [] SyS_ioctl+0x81/0xa0 [ 976.261296] [] tracesys+0xe1/0xe6 [ 976.261303] Code: cd 49 29 00 3b 05 6f 43 c3 00 89 c2 0f 8d 25 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 e6 d0 81 f6 41 20 01 74 cb 0f 1f 00 f3 90 41 20 01 75 f8 eb be 0f b6 4d d0 48 8b 55 c0 44 89 ef 48 8b [ 976.274365] BUG: soft lockup - CPU#3 stuck for 23s! [kmix:6351] [ 976.274371] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables x_tables pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) zram(C) dm_crypt snd_hda_codec_hdmi snd_hda_codec_realtek snd_seq_midi snd_seq_midi_event kvm_amd snd_hda_intel parport_pc snd_hda_codec snd_rawmidi snd_hwdep kvm snd_pcm ppdev snd_seq[ 976.274887] [] ? acct_account_cputime+0x1c/0x20 [ 976.274892] [] ? account_user_time+0x8b/0xa0 d0 74 23 45 85 ed 90