BEGIN suspend: 09:33:25 kernel: nouveau [ DRM] suspending display... 09:33:25 kernel: nouveau [ DRM] unpinning framebuffer(s)... 09:33:25 kernel: nouveau [ DRM] evicting buffers... 09:33:25 kernel: nouveau [ DRM] waiting for kernel channels to go idle... 09:33:25 kernel: nouveau [ DRM] suspending client object trees... 09:33:25 kernel: nouveau [ DRM] suspending kernel object tree... ... 09:33:25 kernel: nouveau [ DRM] re-enabling device... 09:33:25 kernel: nouveau [ DRM] resuming kernel object tree... 09:33:25 kernel: nouveau [ VBIOS][0000:01:00.0] running init tables ... 09:33:25 kernel: nouveau [ VOLT][0000:01:00.0] GPU voltage: 600000uv 09:33:25 kernel: nouveau [ PTHERM][0000:01:00.0] fan management: automatic 09:33:25 kernel: nouveau [ CLK][0000:01:00.0] --: core 405 MHz memory 810 MHz 09:33:25 kernel: nouveau E[ PBUS][0000:01:00.0] MMIO read of 0x00000000 FAULT at 0x400700 [ IBUS ] 09:33:25 kernel: nouveau [ DRM] resuming client object trees... 09:33:25 kernel: nouveau [ DRM] resuming display... 09:33:25 kernel: nouveau E[ PDISP][0000:01:00.0] 08:0006:0f44: link training failed 09:33:25 kernel: nouveau E[ PDISP][0000:01:00.0] 08:0006:0f44: link training failed 09:33:25 kernel: nouveau E[ PDISP][0000:01:00.0] 08:0006:0f44: link not trained before attach END suspend ---------------------------------------------------------------------------- BEGIN resume: 09:33:29 kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ] 09:33:29 kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 2, recovering... 09:33:29 kernel: nouveau E[ PFIFO][0000:01:00.0] write fault at 0x00034d4000 [PTE] from GR/GPC0/PROP_0 on channel 0x007faa3000 [DRM] 09:33:29 kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 1, recovering... 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] TRAP ch 1 [0x007faa3000 DRM] 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] GPC0/PROP trap: (unknown enum 0x00000000) 09:33:29 kernel: nouveau E[ PGRAPH][0000:01:00.0] x = 63266, y = 4267, format = 0, storage type = 0 ... 09:33:43 kernel: nouveau E[ DRM] GPU lockup - switching to software fbcon 09:33:58 kernel: nouveau E[ X[4664]] failed to idle channel 0xcccc0000 [X[4664]] 09:34:05 kernel: INFO: rcu_sched self-detected stall on CPU { 0} (t=2100 jiffies g=36061 c=36060 q=950) 09:34:05 kernel: sending NMI to all CPUs: 09:34:05 kernel: NMI backtrace for cpu 0 09:34:05 kernel: CPU: 0 PID: 4664 Comm: X Tainted: G W 3.16.6-gentoo #11 09:34:05 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:05 kernel: task: ffff8800377207e0 ti: ffff8800cdb38000 task.ti: ffff8800cdb38000 09:34:05 kernel: RIP: 0010:[] [] delay_tsc+0x1e/0x49 09:34:05 kernel: RSP: 0018:ffff88022dc03df0 EFLAGS: 00000807 09:34:05 kernel: RAX: 000000005ba02da2 RBX: 0000000000002710 RCX: 000000005ba02d40 09:34:05 kernel: RDX: 000000000000001b RSI: 0000000000000000 RDI: 00000000002a9f82 09:34:05 kernel: RBP: ffff88022dc03df0 R08: 0000000000000400 R09: ffffffff818c3e0c 09:34:05 kernel: R10: 0000000000000000 R11: ffffc9000aa16e20 R12: ffff88022dc0d1c0 09:34:05 kernel: R13: 0000000000000000 R14: ffffffff8176ed00 R15: 0000000000000000 09:34:05 kernel: FS: 00007f1741e0f880(0000) GS:ffff88022dc00000(0000) knlGS:0000000000000000 09:34:05 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:05 kernel: CR2: 00007f17401f0900 CR3: 0000000001754000 CR4: 00000000001407f0 09:34:05 kernel: Stack: 09:34:05 kernel: ffff88022dc03e00 ffffffff813b31e4 ffff88022dc03e10 ffffffff813b320a 09:34:05 kernel: ffff88022dc03e28 ffffffff81026550 ffffffff8176ed00 ffff88022dc03e80 09:34:05 kernel: ffffffff8109b9ce ffff88022dc03e30 ffffffff817a1760 0000000000000000 09:34:05 kernel: Call Trace: 09:34:05 kernel: 09:34:05 kernel: 09:34:05 kernel: [] __delay+0xa/0xc 09:34:05 kernel: [] __const_udelay+0x24/0x26 09:34:05 kernel: [] arch_trigger_all_cpu_backtrace+0xa5/0xad 09:34:05 kernel: [] rcu_check_callbacks+0x1e3/0x503 09:34:05 kernel: [] update_process_times+0x38/0x60 09:34:05 kernel: [] tick_sched_handle+0x32/0x34 09:34:05 kernel: [] tick_sched_timer+0x35/0x53 09:34:05 kernel: [] __run_hrtimer.isra.28+0x4e/0xa7 09:34:05 kernel: [] hrtimer_interrupt+0xdf/0x1c8 09:34:05 kernel: [] local_apic_timer_interrupt+0x4f/0x52 09:34:05 kernel: [] smp_apic_timer_interrupt+0x3a/0x4b 09:34:05 kernel: [] apic_timer_interrupt+0x6a/0x70 09:34:13 kernel: 09:34:13 kernel: 09:34:13 kernel: [] ? ioread32+0xb/0x2f 09:34:13 kernel: [] ? nouveau_bo_rd32+0x22/0x27 [nouveau] 09:34:13 kernel: [] nv84_fence_read+0x29/0x2b [nouveau] 09:34:13 kernel: [] nouveau_fence_done+0x3c/0x75 [nouveau] 09:34:13 kernel: [] nouveau_fence_wait+0xde/0x12e [nouveau] 09:34:13 kernel: [] nouveau_channel_idle+0x36/0x6e [nouveau] 09:34:13 kernel: [] nouveau_channel_del+0x2b/0xbf [nouveau] 09:34:13 kernel: [] nouveau_abi16_chan_fini.isra.4+0x12b/0x174 [nouveau] 09:34:13 kernel: [] nouveau_abi16_fini+0x2a/0x63 [nouveau] 09:34:13 kernel: [] nouveau_drm_preclose+0x37/0x8a [nouveau] 09:34:13 kernel: [] drm_release+0x6b/0x521 09:34:13 kernel: [] __fput+0xdc/0x18d 09:34:13 kernel: [] ____fput+0x9/0xb 09:34:13 kernel: [] task_work_run+0x78/0x8e 09:34:13 kernel: [] do_exit+0x3ad/0x89c 09:34:13 kernel: [] do_group_exit+0x3f/0x93 09:34:13 kernel: [] get_signal_to_deliver+0x443/0x460 09:34:13 kernel: [] do_signal+0x44/0x500 09:34:13 kernel: [] ? do_send_sig_info+0x58/0x6d 09:34:13 kernel: [] do_notify_resume+0x24/0x60 09:34:13 kernel: [] int_signal+0x12/0x17 09:34:13 kernel: Code: f7 e2 48 8d 7a 01 e8 89 ff ff ff 5d c3 55 48 89 e5 65 8b 34 25 2c b0 00 00 66 66 90 0f ae e8 0f 31 89 c1 66 66 90 0f ae e8 0f 31 <48> c1 e2 20 89 c0 48 09 c2 41 89 d0 29 ca 39 fa 73 17 f3 90 65 09:34:13 kernel: NMI backtrace for cpu 5 09:34:13 kernel: CPU: 5 PID: 7560 Comm: kworker/5:1 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff880220c16090 ti: ffff8800be864000 task.ti: ffff8800be864000 09:34:13 kernel: RIP: 0010:[] [] find_busiest_group+0x312/0x5cc 09:34:13 kernel: RSP: 0018:ffff8800be867ac8 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 09:34:13 kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 09:34:13 kernel: RBP: ffff8800be867c08 R08: 000000000000024d R09: 0000000000000000 09:34:13 kernel: R10: 0000000000000001 R11: 00000000000049a0 R12: ffff88020fad61c0 09:34:13 kernel: R13: 000000000000024d R14: ffff8800be867c70 R15: ffff8800be867ba0 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022dd40000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00000000000000c0 CR3: 00000002202df000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: 0000000000011540 ffff88022dd51540 ffff88022dd40000 ffffffff00011540 09:34:13 kernel: ffff88020fad61d8 0000000000000000 0000000200000216 0000000000000000 09:34:13 kernel: 0000000500000000 ffff88022dc11dc0 0000000000000046 ffff8800cdc67400 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] load_balance+0x13e/0x625 09:34:13 kernel: [] pick_next_task_fair+0x28c/0x37d 09:34:13 kernel: [] __schedule+0x152/0x6c3 09:34:13 kernel: [] ? mutex_unlock+0x9/0xb 09:34:13 kernel: [] ? od_dbs_timer+0x121/0x135 [cpufreq_ondemand] 09:34:13 kernel: [] ? pwq_dec_nr_in_flight+0x66/0x80 09:34:13 kernel: [] ? process_one_work+0x2c7/0x2d4 09:34:13 kernel: [] schedule+0x69/0x6b 09:34:13 kernel: [] worker_thread+0x39a/0x3ed 09:34:13 kernel: [] ? cancel_delayed_work_sync+0x10/0x10 09:34:13 kernel: [] kthread+0xcd/0xd5 09:34:13 kernel: [] ? kthread_create_on_node+0x162/0x162 09:34:13 kernel: [] ret_from_fork+0x7c/0xb0 09:34:13 kernel: [] ? kthread_create_on_node+0x162/0x162 09:34:13 kernel: Code: 00 00 00 e8 f0 2f 33 00 be 20 00 00 00 48 89 c3 4c 89 ef e8 e0 2f 33 00 39 c3 0f 87 96 02 00 00 49 8b 47 08 48 01 85 40 ff ff ff <49> 8b 47 20 48 01 85 48 ff ff ff 49 8b 06 4d 8b 24 24 4c 3b 60 09:34:13 kernel: NMI backtrace for cpu 4 09:34:13 kernel: CPU: 4 PID: 0 Comm: swapper/4 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff88022c94b7a0 ti: ffff88022c98c000 task.ti: ffff88022c98c000 09:34:13 kernel: RIP: 0010:[] [] acpi_processor_ffh_cstate_enter+0x8b/0xbb 09:34:13 kernel: RSP: 0018:ffff88022c98fe70 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000033 RBX: ffff880224d16ca8 RCX: 0000000000000001 09:34:13 kernel: RDX: 0000000000000000 RSI: ffff88022c98ffd8 RDI: 0000000000000033 09:34:13 kernel: RBP: ffff88022c98fe70 R08: 0000000000000001 R09: 0000000000000008 09:34:13 kernel: R10: 00000001000411c4 R11: 0000000000000040 R12: ffff880224d16c00 09:34:13 kernel: R13: 0000000000000002 R14: ffff88022c98c000 R15: ffffffffa081e040 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022dd00000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00007fc0d917d068 CR3: 0000000221036000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: ffff88022c98fe98 ffffffffa081be58 ffff880220ceca00 ffffffffa081e108 09:34:13 kernel: 00000276802fd45f ffff88022c98fed0 ffffffff814c8552 0000000220ceca00 09:34:13 kernel: ffffffffa081e040 ffff880220ceca00 ffff88022c98c000 ffff88022c98c000 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] acpi_idle_enter_simple+0xa0/0xde [processor] 09:34:13 kernel: [] cpuidle_enter_state+0x3e/0x9e 09:34:13 kernel: [] cpuidle_enter+0x12/0x14 09:34:13 kernel: [] cpu_startup_entry+0x14e/0x1f8 09:34:13 kernel: [] start_secondary+0x1b9/0x1be 09:34:13 kernel: Code: d2 65 48 8b 34 25 88 b8 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 09 48 89 f8 4c 89 c1 0f 01 c9 <65> 48 8b 04 25 88 b8 00 00 f0 80 a0 3a c0 ff ff df 0f ae f0 48 09:34:13 kernel: NMI backtrace for cpu 1 09:34:13 kernel: INFO: rcu_sched detected stalls on CPUs/tasks: { 0} (detected by 5, t=2185 jiffies, g=36061, c=36060, q=950) 09:34:13 kernel: CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff88022c947110 ti: ffff88022c97c000 task.ti: ffff88022c97c000 09:34:13 kernel: RIP: 0010:[] [] acpi_processor_ffh_cstate_enter+0x8b/0xbb 09:34:13 kernel: RSP: 0018:ffff88022c97fe70 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000033 RBX: ffff88022cbbdca8 RCX: 0000000000000001 09:34:13 kernel: RDX: 0000000000000000 RSI: ffff88022c97ffd8 RDI: 0000000000000033 09:34:13 kernel: RBP: ffff88022c97fe70 R08: 0000000000000001 R09: 0000000000000003 09:34:13 kernel: R10: 0000000000000001 R11: ffff8800cdd47010 R12: ffff88022cbbdc00 09:34:13 kernel: R13: 0000000000000002 R14: ffff88022c97c000 R15: ffffffffa081e040 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022dc40000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00007f638b3f5940 CR3: 0000000220975000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: ffff88022c97fe98 ffffffffa081be58 ffff88003754c800 ffffffffa081e108 09:34:13 kernel: 0000027680c9b045 ffff88022c97fed0 ffffffff814c8552 000000023754c800 09:34:13 kernel: ffffffffa081e040 ffff88003754c800 ffff88022c97c000 ffff88022c97c000 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] acpi_idle_enter_simple+0xa0/0xde [processor] 09:34:13 kernel: [] cpuidle_enter_state+0x3e/0x9e 09:34:13 kernel: [] cpuidle_enter+0x12/0x14 09:34:13 kernel: [] cpu_startup_entry+0x14e/0x1f8 09:34:13 kernel: [] start_secondary+0x1b9/0x1be 09:34:13 kernel: Code: d2 65 48 8b 34 25 88 b8 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 09 48 89 f8 4c 89 c1 0f 01 c9 <65> 48 8b 04 25 88 b8 00 00 f0 80 a0 3a c0 ff ff df 0f ae f0 48 09:34:13 kernel: NMI backtrace for cpu 3 09:34:13 kernel: CPU: 3 PID: 0 Comm: swapper/3 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff88022c94a010 ti: ffff88022c988000 task.ti: ffff88022c988000 09:34:13 kernel: RIP: 0010:[] [] acpi_processor_ffh_cstate_enter+0x8b/0xbb 09:34:13 kernel: RSP: 0018:ffff88022c98be70 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000033 RBX: ffff88022cbbd0a8 RCX: 0000000000000001 09:34:13 kernel: RDX: 0000000000000000 RSI: ffff88022c98bfd8 RDI: 0000000000000033 09:34:13 kernel: RBP: ffff88022c98be70 R08: 0000000000000001 R09: 0000000000000006 09:34:13 kernel: R10: 0000000000000001 R11: ffff8800cdd47010 R12: ffff88022cbbd000 09:34:13 kernel: R13: 0000000000000002 R14: ffff88022c988000 R15: ffffffffa081e040 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022dcc0000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00007f9b39585008 CR3: 0000000001754000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: ffff88022c98be98 ffffffffa081be58 ffff88003772bc00 ffffffffa081e108 09:34:13 kernel: 0000027680ca0cf6 ffff88022c98bed0 ffffffff814c8552 000000023772bc00 09:34:13 kernel: ffffffffa081e040 ffff88003772bc00 ffff88022c988000 ffff88022c988000 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] acpi_idle_enter_simple+0xa0/0xde [processor] 09:34:13 kernel: [] cpuidle_enter_state+0x3e/0x9e 09:34:13 kernel: [] cpuidle_enter+0x12/0x14 09:34:13 kernel: [] cpu_startup_entry+0x14e/0x1f8 09:34:13 kernel: [] start_secondary+0x1b9/0x1be 09:34:13 kernel: Code: d2 65 48 8b 34 25 88 b8 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 09 48 89 f8 4c 89 c1 0f 01 c9 <65> 48 8b 04 25 88 b8 00 00 f0 80 a0 3a c0 ff ff df 0f ae f0 48 09:34:13 kernel: NMI backtrace for cpu 7 09:34:13 kernel: CPU: 7 PID: 0 Comm: swapper/7 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff88022c94d090 ti: ffff88022c998000 task.ti: ffff88022c998000 09:34:13 kernel: RIP: 0010:[] [] acpi_processor_ffh_cstate_enter+0x8b/0xbb 09:34:13 kernel: RSP: 0018:ffff88022c99be70 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000033 RBX: ffff880224d12ca8 RCX: 0000000000000001 09:34:13 kernel: RDX: 0000000000000000 RSI: ffff88022c99bfd8 RDI: 0000000000000033 09:34:13 kernel: RBP: ffff88022c99be70 R08: 0000000000000001 R09: 0000000000000008 09:34:13 kernel: R10: 0000000000000001 R11: ffff8800cdd47010 R12: ffff880224d12c00 09:34:13 kernel: R13: 0000000000000002 R14: ffff88022c998000 R15: ffffffffa081e040 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022ddc0000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00007fb1281af420 CR3: 0000000001754000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: ffff88022c99be98 ffffffffa081be58 ffff8800ce33da00 ffffffffa081e108 09:34:13 kernel: 0000027680c9a278 ffff88022c99bed0 ffffffff814c8552 00000002ce33da00 09:34:13 kernel: ffffffffa081e040 ffff8800ce33da00 ffff88022c998000 ffff88022c998000 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] acpi_idle_enter_simple+0xa0/0xde [processor] 09:34:13 kernel: [] cpuidle_enter_state+0x3e/0x9e 09:34:13 kernel: [] cpuidle_enter+0x12/0x14 09:34:13 kernel: [] cpu_startup_entry+0x14e/0x1f8 09:34:13 kernel: [] start_secondary+0x1b9/0x1be 09:34:13 kernel: Code: d2 65 48 8b 34 25 88 b8 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 09 48 89 f8 4c 89 c1 0f 01 c9 <65> 48 8b 04 25 88 b8 00 00 f0 80 a0 3a c0 ff ff df 0f ae f0 48 09:34:13 kernel: NMI backtrace for cpu 6 09:34:13 kernel: CPU: 6 PID: 0 Comm: swapper/6 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff88022c94d7e0 ti: ffff88022c994000 task.ti: ffff88022c994000 09:34:13 kernel: RIP: 0010:[] [] acpi_processor_ffh_cstate_enter+0x8b/0xbb 09:34:13 kernel: RSP: 0018:ffff88022c997e70 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000033 RBX: ffff880224d124a8 RCX: 0000000000000001 09:34:13 kernel: RDX: 0000000000000000 RSI: ffff88022c997fd8 RDI: 0000000000000033 09:34:13 kernel: RBP: ffff88022c997e70 R08: 0000000000000001 R09: 0000000000000008 09:34:13 kernel: R10: 0000000000000001 R11: ffff8800376ff0d0 R12: ffff880224d12400 09:34:13 kernel: R13: 0000000000000002 R14: ffff88022c994000 R15: ffffffffa081e040 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022dd80000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00007fff1a2c7db0 CR3: 0000000001754000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: ffff88022c997e98 ffffffffa081be58 ffff880220cece00 ffffffffa081e108 09:34:13 kernel: 0000027680c9c238 ffff88022c997ed0 ffffffff814c8552 0000000220cece00 09:34:13 kernel: ffffffffa081e040 ffff880220cece00 ffff88022c994000 ffff88022c994000 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] acpi_idle_enter_simple+0xa0/0xde [processor] 09:34:13 kernel: [] cpuidle_enter_state+0x3e/0x9e 09:34:13 kernel: [] cpuidle_enter+0x12/0x14 09:34:13 kernel: [] cpu_startup_entry+0x14e/0x1f8 09:34:13 kernel: [] start_secondary+0x1b9/0x1be 09:34:13 kernel: Code: d2 65 48 8b 34 25 88 b8 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 09 48 89 f8 4c 89 c1 0f 01 c9 <65> 48 8b 04 25 88 b8 00 00 f0 80 a0 3a c0 ff ff df 0f ae f0 48 09:34:13 kernel: NMI backtrace for cpu 2 09:34:13 kernel: CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 3.16.6-gentoo #11 09:34:13 kernel: Hardware name: Dell Inc. Precision M4800/077KCT, BIOS A08 05/02/2014 09:34:13 kernel: task: ffff88022c94a760 ti: ffff88022c984000 task.ti: ffff88022c984000 09:34:13 kernel: RIP: 0010:[] [] acpi_processor_ffh_cstate_enter+0x8b/0xbb 09:34:13 kernel: RSP: 0018:ffff88022c987e70 EFLAGS: 00000046 09:34:13 kernel: RAX: 0000000000000033 RBX: ffff88022cbbd4a8 RCX: 0000000000000001 09:34:13 kernel: RDX: 0000000000000000 RSI: ffff88022c987fd8 RDI: 0000000000000033 09:34:13 kernel: RBP: ffff88022c987e70 R08: 0000000000000001 R09: 0000000000000006 09:34:13 kernel: R10: 0000000000000001 R11: ffff8800377207e0 R12: ffff88022cbbd400 09:34:13 kernel: R13: 0000000000000002 R14: ffff88022c984000 R15: ffffffffa081e040 09:34:13 kernel: FS: 0000000000000000(0000) GS:ffff88022dc80000(0000) knlGS:0000000000000000 09:34:13 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09:34:13 kernel: CR2: 00007fb128188c58 CR3: 000000021fe4b000 CR4: 00000000001407e0 09:34:13 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 09:34:13 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 09:34:13 kernel: Stack: 09:34:13 kernel: ffff88022c987e98 ffffffffa081be58 ffff880220cee800 ffffffffa081e108 09:34:13 kernel: 0000027680c9e3a8 ffff88022c987ed0 ffffffff814c8552 0000000220cee800 09:34:13 kernel: ffffffffa081e040 ffff880220cee800 ffff88022c984000 ffff88022c984000 09:34:13 kernel: Call Trace: 09:34:13 kernel: [] acpi_idle_enter_simple+0xa0/0xde [processor] 09:34:13 kernel: [] cpuidle_enter_state+0x3e/0x9e 09:34:13 kernel: [] cpuidle_enter+0x12/0x14 09:34:13 kernel: [] cpu_startup_entry+0x14e/0x1f8 09:34:13 kernel: [] start_secondary+0x1b9/0x1be 09:34:13 kernel: Code: d2 65 48 8b 34 25 88 b8 00 00 48 89 d1 48 8d 86 38 c0 ff ff 0f 01 c8 48 8b 86 38 c0 ff ff a8 08 75 09 48 89 f8 4c 89 c1 0f 01 c9 <65> 48 8b 04 25 88 b8 00 00 f0 80 a0 3a c0 ff ff df 0f ae f0 48 09:34:13 kernel: INFO: NMI handler (arch_trigger_all_cpu_backtrace_handler) took too long to run: 1143.998 msecs 09:34:13 kernel: nouveau E[ X[4664]] failed to idle channel 0xcccc0000 [X[4664]] 09:34:13 xdm[4769]: pam_unix(xdm:session): session closed for user esm 09:34:14 kernel: mmc0: card aaaa removed 09:34:17 dhcpcd[8414]: wlan0: no IPv6 Routers available 09:34:19 kernel: nouveau E[ PFIFO][0000:01:00.0] SCHED_ERROR [ CTXSW_TIMEOUT ] 09:34:19 kernel: nouveau E[ PFIFO][0000:01:00.0] PGRAPH engine fault on channel 2, recovering... 09:34:20 systemd-journal[2912]: Missed 20 kernel messages 09:34:20 kernel: nouveau E[ PGRAPH][0000:01:00.0] ILLEGAL_CLASS ch 3 [0x007f8d1000 X[8446]] subc 0 class 0x0000 mthd 0x2390 data 0x00000002 09:34:20 kernel: nouveau E[ PGRAPH][0000:01:00.0] ILLEGAL_CLASS ch 3 [0x007f8d1000 X[8446]] subc 0 class 0x0000 mthd 0x2390 data 0x00000003 END resume ...although not really: these messages continue on and on.