Created attachment 125225 [details] complete dmesg I retrieved using ssh Screen locks up and becomes unresponsive randomly (mainly while playing a video). The strange thing is the mouse pointer moves if I move the mouse. The sound also continues to play normally. Here's the relevant dmesg part. The system is responsive (although poorly) via ssh when this happens. If more details are needed, please let me know, and I will try to get them via ssh when it locks up. [ 4011.789011] nouveau 0000:01:00.0: fifo: read fault at 0007960000 engine 1b [CE2] client 18 [GR_CE] reason 02 [PTE] on channel 6 [003f829000 opera-developer[5101]] [ 4011.789021] nouveau 0000:01:00.0: fifo: ce2 engine fault on channel 6, recovering... [ 4016.083636] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4020.378575] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4024.673513] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4028.968450] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4033.263426] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4036.404132] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 23s! [kworker/4:1:6743] [ 4036.404135] Modules linked in: xt_tcpudp(E) iptable_filter(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) nf_nat_ipv4(E) nf_nat(E) nf_conntrack(E) ip_tables(E) x_tables(E) usblp(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) joydev(E) snd_hda_intel(E) hid_logitech_hidpp(E) snd_hda_codec(E) bnep(E) snd_hda_core(E) rfcomm(E) snd_hwdep(E) bluetooth(E) kvm_amd(E) snd_pcm(E) kvm(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) irqbypass(E) snd_seq(E) edac_mce_amd(E) edac_core(E) serio_raw(E) snd_seq_device(E) dm_multipath(E) snd_timer(E) k10temp(E) snd(E) soundcore(E) shpchp(E) i2c_piix4(E) parport_pc(E) ppdev(E) it87(E) hwmon_vid(E) nfsd(E) binfmt_misc(E) auth_rpcgss(E) nfs_acl(E) lp(E) parport(E) nfs(E) lockd(E) grace(E) sunrpc(E) fscache(E) xfs(E) libcrc32c(E) reiserfs(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_logitech_dj(E) pata_acpi(E) nouveau(E) mxm_wmi(E) video(E) i2c_algo_bit(E) ttm(E) hid_generic(E) drm_kms_helper(E) usbhid(E) 8139too(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E) hid(E) 8139cp(E) r8169(E) ahci(E) pata_atiixp(E) mii(E) libahci(E) drm(E) wmi(E) [ 4036.404204] CPU: 4 PID: 6743 Comm: kworker/4:1 Tainted: G OE 4.5.3 #1 [ 4036.404206] Hardware name: Gigabyte Technology Co., Ltd. GA-970A-DS3/GA-970A-DS3, BIOS F6 10/23/2012 [ 4036.404269] Workqueue: events gk104_fifo_recover_work [nouveau] [ 4036.404272] task: ffff8801fd3e5b00 ti: ffff88006e148000 task.ti: ffff88006e148000 [ 4036.404274] RIP: 0010:[<ffffffffc0241d95>] [<ffffffffc0241d95>] gk104_fifo_recover_work+0x95/0x280 [nouveau] [ 4036.404319] RSP: 0018:ffff88006e14bde0 EFLAGS: 00000206 [ 4036.404322] RAX: 0000000000000021 RBX: 0000000200000000 RCX: 0000000000000021 [ 4036.404324] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000282 [ 4036.404326] RBP: ffff88006e14be18 R08: ffff880098294b40 R09: 00000001802a001b [ 4036.404328] R10: 0000000098294d01 R11: 0000000000008000 R12: 0000000200000000 [ 4036.404330] R13: 0000000000000001 R14: ffff880231edec00 R15: ffff880231980ae0 [ 4036.404333] FS: 00007f49e9885700(0000) GS:ffff88023fd00000(0000) knlGS:0000000000000000 [ 4036.404335] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 4036.404337] CR2: 00007f4d3f20d008 CR3: 0000000233f31000 CR4: 00000000000006e0 [ 4036.404339] Stack: [ 4036.404341] ffff880098294b40 ffff880231980800 ffff8801e5b35240 ffff88023fd16300 [ 4036.404344] ffff88023fd1ac00 0000000000000100 ffff880231980ae0 ffff88006e14be60 [ 4036.404348] ffffffff81093ac3 00000000e5b35270 0000000000000000 ffff88023fd16320 [ 4036.404351] Call Trace: [ 4036.404358] [<ffffffff81093ac3>] process_one_work+0x153/0x3f0 [ 4036.404361] [<ffffffff8109428a>] worker_thread+0x12a/0x4b0 [ 4036.404365] [<ffffffff817daf0a>] ? __schedule+0x35a/0x970 [ 4036.404368] [<ffffffff81094160>] ? rescuer_thread+0x350/0x350 [ 4036.404372] [<ffffffff81099a99>] kthread+0xc9/0xe0 [ 4036.404376] [<ffffffff810999d0>] ? kthread_park+0x60/0x60 [ 4036.404380] [<ffffffff817df20f>] ret_from_fork+0x3f/0x70 [ 4036.404383] [<ffffffff810999d0>] ? kthread_park+0x60/0x60 [ 4036.404385] Code: f8 11 0f 87 9a 01 00 00 ff 24 c5 f8 ea 2b c0 b8 02 00 00 00 41 09 c5 b8 fe ff ff ff d3 c0 48 98 49 21 c4 f3 49 0f bc c4 4d 85 e4 <75> cd 49 8b 86 80 00 00 00 48 8d b8 30 26 00 00 e8 16 be 19 c1 [ 4037.558363] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4041.853302] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4046.148240] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4050.443181] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4054.738121] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4059.033058] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4063.327996] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4064.404618] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 23s! [kworker/4:1:6743] [ 4064.404620] Modules linked in: xt_tcpudp(E) iptable_filter(E) pci_stub(E) vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) nf_nat_ipv4(E) nf_nat(E) nf_conntrack(E) ip_tables(E) x_tables(E) usblp(E) snd_hda_codec_hdmi(E) snd_hda_codec_realtek(E) snd_hda_codec_generic(E) joydev(E) snd_hda_intel(E) hid_logitech_hidpp(E) snd_hda_codec(E) bnep(E) snd_hda_core(E) rfcomm(E) snd_hwdep(E) bluetooth(E) kvm_amd(E) snd_pcm(E) kvm(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) irqbypass(E) snd_seq(E) edac_mce_amd(E) edac_core(E) serio_raw(E) snd_seq_device(E) dm_multipath(E) snd_timer(E) k10temp(E) snd(E) soundcore(E) shpchp(E) i2c_piix4(E) parport_pc(E) ppdev(E) it87(E) hwmon_vid(E) nfsd(E) binfmt_misc(E) auth_rpcgss(E) nfs_acl(E) lp(E) parport(E) nfs(E) lockd(E) grace(E) sunrpc(E) fscache(E) xfs(E) libcrc32c(E) reiserfs(E) dm_mirror(E) dm_region_hash(E) dm_log(E) hid_logitech_dj(E) pata_acpi(E) nouveau(E) mxm_wmi(E) video(E) i2c_algo_bit(E) ttm(E) hid_generic(E) drm_kms_helper(E) usbhid(E) 8139too(E) syscopyarea(E) sysfillrect(E) sysimgblt(E) fb_sys_fops(E) hid(E) 8139cp(E) r8169(E) ahci(E) pata_atiixp(E) mii(E) libahci(E) drm(E) wmi(E) [ 4064.404683] CPU: 4 PID: 6743 Comm: kworker/4:1 Tainted: G OEL 4.5.3 #1 [ 4064.404685] Hardware name: Gigabyte Technology Co., Ltd. GA-970A-DS3/GA-970A-DS3, BIOS F6 10/23/2012 [ 4064.404746] Workqueue: events gk104_fifo_recover_work [nouveau] [ 4064.404750] task: ffff8801fd3e5b00 ti: ffff88006e148000 task.ti: ffff88006e148000 [ 4064.404752] RIP: 0010:[<ffffffffc0241d92>] [<ffffffffc0241d92>] gk104_fifo_recover_work+0x92/0x280 [nouveau] [ 4064.404796] RSP: 0018:ffff88006e14bde0 EFLAGS: 00000206 [ 4064.404799] RAX: 0000000000000021 RBX: 0000000200000000 RCX: 0000000000000021 [ 4064.404801] RDX: 0000000000000001 RSI: 0000000000000282 RDI: 0000000000000282 [ 4064.404803] RBP: ffff88006e14be18 R08: ffff880098294b40 R09: 00000001802a001b [ 4064.404805] R10: 0000000098294d01 R11: 0000000000008000 R12: 0000000200000000 [ 4064.404807] R13: 0000000000000001 R14: ffff880231edec00 R15: ffff880231980ae0 [ 4064.404809] FS: 00007f49e9885700(0000) GS:ffff88023fd00000(0000) knlGS:0000000000000000 [ 4064.404811] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 4064.404813] CR2: 00007f4d3f20d008 CR3: 0000000233f31000 CR4: 00000000000006e0 [ 4064.404816] Stack: [ 4064.404817] ffff880098294b40 ffff880231980800 ffff8801e5b35240 ffff88023fd16300 [ 4064.404821] ffff88023fd1ac00 0000000000000100 ffff880231980ae0 ffff88006e14be60 [ 4064.404824] ffffffff81093ac3 00000000e5b35270 0000000000000000 ffff88023fd16320 [ 4064.404827] Call Trace: [ 4064.404834] [<ffffffff81093ac3>] process_one_work+0x153/0x3f0 [ 4064.404837] [<ffffffff8109428a>] worker_thread+0x12a/0x4b0 [ 4064.404841] [<ffffffff817daf0a>] ? __schedule+0x35a/0x970 [ 4064.404844] [<ffffffff81094160>] ? rescuer_thread+0x350/0x350 [ 4064.404848] [<ffffffff81099a99>] kthread+0xc9/0xe0 [ 4064.404851] [<ffffffff810999d0>] ? kthread_park+0x60/0x60 [ 4064.404856] [<ffffffff817df20f>] ret_from_fork+0x3f/0x70 [ 4064.404859] [<ffffffff810999d0>] ? kthread_park+0x60/0x60 [ 4064.404861] Code: e8 17 83 f8 11 0f 87 9a 01 00 00 ff 24 c5 f8 ea 2b c0 b8 02 00 00 00 41 09 c5 b8 fe ff ff ff d3 c0 48 98 49 21 c4 f3 49 0f bc c4 <4d> 85 e4 75 cd 49 8b 86 80 00 00 00 48 8d b8 30 26 00 00 e8 16 [ 4067.622934] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4071.796744] INFO: rcu_sched self-detected stall on CPU [ 4071.796751] 4-...: (15000 ticks this GP) idle=47b/140000000000001/0 softirq=374433/374433 fqs=14495 [ 4071.796753] (t=15000 jiffies g=289046 c=289045 q=4218) [ 4071.796757] Task dump for CPU 4: [ 4071.796759] kworker/4:1 R running task 0 6743 2 0x00000008 [ 4071.796809] Workqueue: events gk104_fifo_recover_work [nouveau] [ 4071.796811] ffffffff81c53e40 ffff88023fd03dc8 ffffffff810a7fbf 0000000000000004 [ 4071.796815] ffffffff81c53e40 ffff88023fd03de0 ffffffff810aa7f9 0000000000000005 [ 4071.796818] ffff88023fd03e10 ffffffff810dda77 ffff88023fd178c0 ffffffff81c53e40 [ 4071.796821] Call Trace: [ 4071.796823] <IRQ> [<ffffffff810a7fbf>] sched_show_task+0xaf/0x110 [ 4071.796831] [<ffffffff810aa7f9>] dump_cpu_task+0x39/0x40 [ 4071.796834] [<ffffffff810dda77>] rcu_dump_cpu_stacks+0x87/0xc0 [ 4071.796838] [<ffffffff810e1610>] rcu_check_callbacks+0x470/0x720 [ 4071.796841] [<ffffffff810ab2d1>] ? account_system_time+0x81/0x110 [ 4071.796844] [<ffffffff810ab57b>] ? account_process_tick+0x6b/0x170 [ 4071.796872] [<ffffffffc01d972f>] ? nvkm_engine_intr+0x1f/0x30 [nouveau] [ 4071.796876] [<ffffffff810f60d0>] ? tick_sched_do_timer+0x30/0x30 [ 4071.796880] [<ffffffff810e6b02>] update_process_times+0x42/0x70 [ 4071.796883] [<ffffffff810f5ac3>] tick_sched_handle.isra.15+0x23/0x60 [ 4071.796886] [<ffffffff810f6118>] tick_sched_timer+0x48/0x80 [ 4071.796889] [<ffffffff810e7670>] __hrtimer_run_queues+0xe0/0x250 [ 4071.796893] [<ffffffff810e7b17>] hrtimer_interrupt+0xa7/0x1a0 [ 4071.796898] [<ffffffff81050b65>] local_apic_timer_interrupt+0x35/0x60 [ 4071.796901] [<ffffffff817e192d>] smp_apic_timer_interrupt+0x3d/0x50 [ 4071.796905] [<ffffffff817dfbe2>] apic_timer_interrupt+0x82/0x90 [ 4071.796906] <EOI> [<ffffffffc0241e40>] ? gk104_fifo_recover_work+0x140/0x280 [nouveau] [ 4071.796951] [<ffffffff81093ac3>] process_one_work+0x153/0x3f0 [ 4071.796954] [<ffffffff8109428a>] worker_thread+0x12a/0x4b0 [ 4071.796957] [<ffffffff817daf0a>] ? __schedule+0x35a/0x970 [ 4071.796960] [<ffffffff81094160>] ? rescuer_thread+0x350/0x350 [ 4071.796964] [<ffffffff81099a99>] kthread+0xc9/0xe0 [ 4071.796967] [<ffffffff810999d0>] ? kthread_park+0x60/0x60 [ 4071.796970] [<ffffffff817df20f>] ret_from_fork+0x3f/0x70 [ 4071.796974] [<ffffffff810999d0>] ? kthread_park+0x60/0x60 [ 4071.917872] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4076.212810] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4080.507748] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4084.802686] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] [ 4089.097624] nouveau 0000:01:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
Created attachment 126143 [details] another complete dmesg I retrieved using ssh on another instance
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