[ 368.596083] netpoll: netconsole: local port 6665 [ 368.596117] netpoll: netconsole: local IPv4 address 0.0.0.0 [ 368.596162] netpoll: netconsole: interface 'eth5' [ 368.596203] netpoll: netconsole: remote port 6666 [ 368.596246] netpoll: netconsole: remote IPv4 address 10.239.156.108 [ 368.596287] netpoll: netconsole: remote ethernet address 74:d0:2b:95:69:65 [ 368.596325] netpoll: netconsole: local IP 10.239.156.129 [ 368.596388] console [netcon0] enabled [ 368.596410] netconsole: network logging started [ 368.598668] console [netcon0] disabled [ 368.609083] netpoll: netconsole: local port 6665 [ 368.609115] netpoll: netconsole: local IPv4 address 0.0.0.0 [ 368.609147] netpoll: netconsole: interface 'eth5' [ 368.609174] netpoll: netconsole: remote port 6666 [ 368.609201] netpoll: netconsole: remote IPv4 address 10.239.156.108 [ 368.609237] netpoll: netconsole: remote ethernet address 74:d0:2b:95:69:65 [ 368.609277] netpoll: netconsole: local IP 10.239.156.129 [ 368.609358] console [netcon0] enabled [ 368.609400] netconsole: network logging started [ 376.516387] gem_reset_stats: executing [ 376.516515] [drm:i915_gem_open] [ 376.517951] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.518002] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.518571] [drm:i915_gem_open] [ 376.519983] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.520033] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.521513] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.521562] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.521605] [drm:i915_gem_context_create_ioctl] HW context 1 created [ 376.521822] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed [ 376.522222] [drm:i915_gem_open] [ 376.523634] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.523683] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.523981] [drm:i915_gem_open] [ 376.525342] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.525391] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.525701] [drm:i915_gem_open] [ 376.527055] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.527103] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.527457] gem_reset_stats: starting subtest ban-bsd [ 376.527519] [drm:i915_gem_open] [ 376.528868] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.528917] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.529629] [drm:i915_gem_open] [ 376.530972] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.531021] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.531080] [drm:i915_gem_open] [ 376.532517] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 376.532566] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 376.532861] [drm:i915_ring_stop_set] Stopping rings 0x80000002 [ 382.525883] [drm] stuck on bsd ring [ 382.526651] [drm] GPU HANG: ecode 8:1:0x277ffffe, in gem_reset_stats [4749], reason: Ring hung, action: reset [ 382.526707] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 382.526757] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 382.526805] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 382.526857] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 382.526905] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 382.526965] [drm:i915_error_work_func] resetting chip [ 382.528885] [drm] Simulated gpu hang, resetting stop_rings [ 382.528926] drm/i915: Resetting chip after gpu hang [ 382.528960] [drm:gen8_init_common_ring] Execlists enabled for render ring [ 382.529007] [drm:gen8_init_common_ring] Execlists enabled for bsd ring [ 382.529050] [drm:gen8_init_common_ring] Execlists enabled for blitter ring [ 382.530649] [drm:gen8_init_common_ring] Execlists enabled for video enhancement ring [ 382.532264] [drm:ironlake_update_primary_plane] Writing base 00885000 00000000 0 0 7680 [ 382.533942] [drm:i915_ring_stop_set] Stopping rings 0x80000002 [ 384.526760] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on [ 388.522558] [drm] stuck on bsd ring [ 388.524872] [drm] GPU HANG: ecode 8:1:0x277ffffe, in gem_reset_stats [4749], reason: Ring hung, action: reset [ 388.526579] [drm:i915_error_work_func] resetting chip [ 388.528466] BUG: unable to handle kernel paging request at 00000000ffffffff [ 388.530132] IP: [] kmem_cache_alloc_trace+0xce/0x104 [ 388.531802] PGD a1588067 PUD 0 [ 388.533461] Oops: 0000 [#1] SMP [ 388.535115] Modules linked in: netconsole configfs ipv6 battery parport_pc parport dm_mod ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 388.536955] CPU: 1 PID: 4755 Comm: systemd-udevd Not tainted 3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ #718 [ 388.538755] task: ffff8800a75d9800 ti: ffff8800a1568000 task.ti: ffff8800a1568000 [ 388.540552] RIP: 0010:[] [] kmem_cache_alloc_trace+0xce/0x104 [ 388.542392] RSP: 0018:ffff8800a156bbf8 EFLAGS: 00010282 [ 388.544231] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000002257 [ 388.546156] RDX: 0000000000002256 RSI: 00000000000000d0 RDI: ffff88014a003900 [ 388.548021] RBP: 00000000ffffffff R08: 0000000000015520 R09: 0000000000000000 [ 388.549886] R10: ffff880149c52780 R11: ffff8b919a899a8a R12: 00000000000000d0 [ 388.551753] R13: 0000000000000080 R14: ffffffff8112e8e7 R15: ffff88014a003900 [ 388.553622] FS: 00007f79f0568880(0000) GS:ffff88014ec40000(0000) knlGS:0000000000000000 [ 388.555510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 388.557397] CR2: 00000000ffffffff CR3: 00000000a1587000 CR4: 00000000003407e0 [ 388.559305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 388.561198] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 388.563080] Stack: [ 388.564938] ffff880002da8000 0000000000000000 ffff880002da8000 ffffffff817d22f0 [ 388.566836] ffff880002edca50 ffff880002da8010 ffffffff817d2660 ffffffff8112e8e7 [ 388.568731] 0000000000000000 ffff880002e9d580 ffff880002da8000 ffffffff8116d5d5 [ 388.570625] Call Trace: [ 388.572500] [] ? seq_open+0x2c/0x7f [ 388.574379] [] ? kernfs_fop_open+0x167/0x2be [ 388.576260] [] ? kernfs_fop_release+0x4c/0x4c [ 388.578133] [] ? do_dentry_open+0x184/0x2a6 [ 388.579993] [] ? do_last+0x942/0xb75 [ 388.581844] [] ? __inode_permission+0x2f/0x6e [ 388.583692] [] ? link_path_walk+0x51/0x74a [ 388.585523] [] ? path_openat+0x20f/0x560 [ 388.587352] [] ? ep_read_events_proc+0x92/0x92 [ 388.589174] [] ? do_filp_open+0x2b/0x6f [ 388.590980] [] ? __alloc_fd+0x58/0xe3 [ 388.592780] [] ? do_sys_open+0x14b/0x1cf [ 388.594565] [] ? system_call_fastpath+0x12/0x17 [ 388.596351] Code: 7e 08 45 89 e1 49 89 d8 4c 89 e9 48 89 ea 4c 89 fe 41 ff 16 [ 388.596467] [drm] Simulated gpu hang, resetting stop_rings [ 388.596468] drm/i915: Resetting chip after gpu hang [ 388.596491] [drm:gen8_init_common_ring] Execlists enabled for render ring [ 388.596494] [drm:gen8_init_common_ring] Execlists enabled for bsd ring [ 388.596505] [drm:gen8_init_common_ring] Execlists enabled for blitter ring [ 388.596506] ------------[ cut here ]------------ [ 388.596507] [drm:gen8_init_common_ring] Execlists enabled for video enhancement ring [ 388.596513] WARNING: CPU: 2 PID: 4755 at net/core/netpoll.c:362 netpoll_send_skb_on_dev+0x1ac/0x20e() [ 388.596518] netpoll_send_skb_on_dev(): eth5 enabled interrupts in poll (e1000_xmit_frame+0x0/0xbeb) [ 388.596518] Modules linked in: netconsole configfs ipv6 battery parport_pc parport dm_mod ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 388.596533] CPU: 2 PID: 4755 Comm: systemd-udevd Not tainted 3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ #718 [ 388.596535] [drm:ironlake_update_primary_plane] Writing base 00885000 00000000 0 0 7680 [ 388.596535] 0000000000000000 0000000000000009 ffffffff81799600 ffff8800a156b6d8 [ 388.596538] ffffffff8103bdcc ffff880148e97098 ffffffff816ff24e ffff880147d24600 [ 388.596540] ffff8800a7e6d600 ffff8800a7c09e40 ffff8801490c4000 0000000000000013 [ 388.596543] Call Trace: [ 388.596543] [] ? dump_stack+0x40/0x50 [ 388.596547] [] ? warn_slowpath_common+0x98/0xb0 [ 388.596550] [] ? netpoll_send_skb_on_dev+0x1ac/0x20e [ 388.596554] [] ? warn_slowpath_fmt+0x45/0x4a [ 388.596557] [] ? e1000e_update_tdt_wa+0x8f/0x8f [ 388.596560] [] ? netpoll_send_skb_on_dev+0x1ac/0x20e [ 388.596563] [] ? netpoll_send_udp+0x3b3/0x3c4 [ 388.596566] [] ? write_msg+0xc0/0x103 [netconsole] [ 388.596571] [] ? call_console_drivers.constprop.22+0xa0/0xc0 [ 388.596575] [] ? console_unlock+0x12f/0x339 [ 388.596578] [] ? vprintk_emit+0x365/0x379 [ 388.596581] [] ? kmem_cache_alloc_trace+0xa3/0x104 [ 388.596584] [] ? kmem_cache_alloc_trace+0xb7/0x104 [ 388.596587] [] ? printk+0x48/0x4d [ 388.596589] [] ? show_regs+0x16c/0x190 [ 388.596592] [] ? __die+0x90/0xc8 [ 388.596594] [] ? no_context+0x2a2/0x30b [ 388.596597] [] ? cpumask_next_and+0x2b/0x3b [ 388.596601] [] ? __do_page_fault+0x41a/0x4a8 [ 388.596606] [] ? seq_open+0x2c/0x7f [ 388.596610] [] ? page_fault+0x22/0x30 [ 388.596614] [] ? seq_open+0x2c/0x7f [ 388.596618] [] ? kmem_cache_alloc_trace+0xce/0x104 [ 388.596621] [] ? kmem_cache_alloc_trace+0x2a/0x104 [ 388.596625] [] ? seq_open+0x2c/0x7f [ 388.596627] [] ? kernfs_fop_open+0x167/0x2be [ 388.596631] [] ? kernfs_fop_release+0x4c/0x4c [ 388.596634] [] ? do_dentry_open+0x184/0x2a6 [ 388.596638] [] ? do_last+0x942/0xb75 [ 388.596641] [] ? __inode_permission+0x2f/0x6e [ 388.596643] [] ? link_path_walk+0x51/0x74a [ 388.596647] [] ? path_openat+0x20f/0x560 [ 388.596651] [] ? ep_read_events_proc+0x92/0x92 [ 388.596654] [] ? do_filp_open+0x2b/0x6f [ 388.596658] [] ? __alloc_fd+0x58/0xe3 [ 388.596662] [] ? do_sys_open+0x14b/0x1cf [ 388.596664] [] ? system_call_fastpath+0x12/0x17 [ 388.596669] ---[ end trace 6e905ea15340734c ]--- [ 388.597216] [drm:i915_gem_open] [ 388.599430] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 388.599434] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 388.696204] 49 83 c6 10 49 83 3e 00 eb 30 eb 32 49 63 47 20 4d 8b 07 48 8d 4a 01 <48> 8b 5c 05 00 48 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 75 89 e9 [ 388.699334] RIP [] kmem_cache_alloc_trace+0xce/0x104 [ 388.700906] RSP [ 388.702468] CR2: 00000000ffffffff [ 388.704022] ---[ end trace 6e905ea15340734d ]--- [ 390.523435] [drm:intel_print_rc6_info] Enabling RC6 states: RC6 on [ 391.018038] [drm:i915_gem_open] [ 391.020945] [drm:gen8_ppgtt_init] Allocated 4 pages for page directories (0 wasted) [ 391.022560] [drm:gen8_ppgtt_init] Allocated 2048 pages for page tables (0 wasted) [ 391.024367] gem_reset_stats: exiting, ret=0 [ 391.026534] [drm:intel_crtc_set_config] [CRTC:19] [FB:49] #connectors=1 (x y) (0 0) [ 391.028102] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:19], mode_changed=0, fb_changed=0 [ 391.029708] [drm:intel_modeset_stage_output_state] [CONNECTOR:30:eDP-1] to [CRTC:19] [ 391.031335] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 1, prepare: 1, disable: 0 [ 391.032973] [drm:connected_sink_compute_bpp] [CONNECTOR:30:eDP-1] checking for sink bpp constrains [ 391.034618] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 138780KHz [ 391.036274] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 24 [ 391.037904] [drm:intel_dp_compute_config] DP link bw required 333072 available 432000 [ 391.039471] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0 [ 391.040985] [drm:intel_dump_pipe_config] [CRTC:19][modeset] config for pipe A [ 391.042480] [drm:intel_dump_pipe_config] cpu_transcoder: D [ 391.043951] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0 [ 391.045418] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0 [ 391.046915] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 6467616, gmch_n: 8388608, link_m: 269484, link_n: 524288, tu: 64 [ 391.048420] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0 [ 391.049925] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0 [ 391.051425] [drm:intel_dump_pipe_config] requested mode: [ 391.052915] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 391.054461] [drm:intel_dump_pipe_config] adjusted mode: [ 391.056007] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 391.057612] [drm:intel_dump_crtc_timings] crtc timings: 138780 1920 1966 1996 2080 1080 1082 1086 1112, type: 0x48 flags: 0xa [ 391.059250] [drm:intel_dump_pipe_config] port clock: 270000 [ 391.060879] [drm:intel_dump_pipe_config] pipe src size: 1920x1080 [ 391.062500] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000 [ 391.064155] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled [ 391.065819] [drm:intel_dump_pipe_config] ips: 1 [ 391.067467] [drm:intel_dump_pipe_config] double wide: 0 [ 391.069125] [drm:intel_crtc_set_config] [CRTC:23] [NOFB] [ 391.070783] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:23], mode_changed=0, fb_changed=0 [ 391.072493] [drm:intel_modeset_stage_output_state] [CONNECTOR:30:eDP-1] to [CRTC:19] [ 391.074220] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0 [ 391.075972] [drm:intel_crtc_set_config] [CRTC:27] [NOFB] [ 391.077727] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:27], mode_changed=0, fb_changed=0 [ 391.079532] [drm:intel_modeset_stage_output_state] [CONNECTOR:30:eDP-1] to [CRTC:19] [ 391.081348] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0 [ 391.083886] BUG: unable to handle kernel paging request at 00000000ffffffff [ 391.085751] IP: [] kmem_cache_alloc+0xd9/0x113 [ 391.087620] PGD a20fd067 PUD 0 [ 391.089493] Oops: 0000 [#2] SMP [ 391.091358] Modules linked in: netconsole configfs ipv6 battery parport_pc parport dm_mod ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 391.093411] CPU: 1 PID: 4749 Comm: gem_reset_stats Tainted: G D W 3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ #718 [ 391.095449] task: ffff8800a75dc000 ti: ffff8800024a0000 task.ti: ffff8800024a0000 [ 391.097503] RIP: 0010:[] [] kmem_cache_alloc+0xd9/0x113 [ 391.099590] RSP: 0000:ffff8800024a3998 EFLAGS: 00010082 [ 391.101673] RAX: 0000000000000000 RBX: ffff8800a2059800 RCX: 0000000000002259 [ 391.103777] RDX: 0000000000002258 RSI: 0000000000000020 RDI: ffff88014a003900 [ 391.105885] RBP: 00000000ffffffff R08: 0000000000015520 R09: 0000000000000000 [ 391.107994] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88014a003900 [ 391.110108] R13: 0000000000000020 R14: ffffffff813ff889 R15: ffff8800024a3b48 [ 391.112221] FS: 00007feaa25008c0(0000) GS:ffff88014ec40000(0000) knlGS:0000000000000000 [ 391.114355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 391.116491] CR2: 00000000ffffffff CR3: 0000000002e17000 CR4: 00000000003407e0 [ 391.118635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 391.120779] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 391.122897] Stack: [ 391.125005] 0000000000000000 ffff8800a2059800 ffffffff81c01050 0000000000000020 [ 391.127150] ffff880149702000 ffff880149702000 ffff8800024a3b48 ffffffff813ff889 [ 391.129264] ffff880149702000 ffff880002110408 ffff8800a7f3a800 ffff880149702000 [ 391.131342] Call Trace: [ 391.133394] [] ? scsi_host_alloc_command+0x3e/0x9e [ 391.135479] [] ? scsi_get_command+0x16/0x128 [ 391.137560] [] ? scsi_prep_fn+0x58/0x139 [ 391.139627] [] ? blk_peek_request+0xf7/0x216 [ 391.141689] [] ? scsi_request_fn+0x2f/0x5cc [ 391.143739] [] ? __blk_run_queue+0x29/0x31 [ 391.145782] [] ? queue_unplugged+0x54/0x77 [ 391.147810] [] ? blk_flush_plug_list+0x1aa/0x1bc [ 391.149826] [] ? blk_finish_plug+0xb/0x2a [ 391.151811] [] ? __do_page_cache_readahead+0x1a2/0x1c3 [ 391.153782] [] ? filemap_fault+0x196/0x3a7 [ 391.155736] [] ? __do_fault+0x35/0x73 [ 391.157664] [] ? do_read_fault.isra.80+0x1ae/0x26d [ 391.159575] [] ? pte_alloc_one+0x28/0x38 [ 391.161470] [] ? handle_mm_fault+0x1ea/0x836 [ 391.163369] [] ? user_path_at_empty+0x54/0x7d [ 391.165258] [] ? __do_page_fault+0x464/0x4a8 [ 391.167132] [] ? __dentry_kill+0x148/0x172 [ 391.169004] [] ? vfs_fstatat+0x3e/0x8d [ 391.170876] [] ? __fput+0x186/0x1ab [ 391.172731] [] ? SyS_newstat+0x12/0x2d [ 391.174564] [] ? task_work_run+0x84/0x93 [ 391.176385] [] ? page_fault+0x22/0x30 [ 391.178189] Code: e9 4d 89 f8 4c 89 f1 48 89 ea 48 89 de 41 ff 14 24 49 83 c4 10 49 83 3c 24 00 eb 36 eb 38 49 63 44 24 20 4d 8b 04 24 48 8d 4a 01 <48> 8b 5c 05 00 48 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 0f 85 78 [ 391.180351] RIP [] kmem_cache_alloc+0xd9/0x113 [ 391.182254] RSP [ 391.184112] CR2: 00000000ffffffff [ 391.185935] ---[ end trace 6e905ea15340734e ]--- [ 391.707017] BUG: unable to handle kernel paging request at 00000000ffffffff [ 391.708839] IP: [] kmem_cache_alloc+0xd9/0x113 [ 391.710662] PGD a23aa067 PUD 0 [ 391.712467] Oops: 0000 [#3] SMP [ 391.714245] Modules linked in: netconsole configfs ipv6 battery parport_pc parport dm_mod ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 391.716205] CPU: 1 PID: 4758 Comm: systemd-udevd Tainted: G D W 3.19.0-rc4_drm-intel-nightly_d6bc7a_20150121+ #718 [ 391.718152] task: ffff8800a75d9800 ti: ffff8800a7528000 task.ti: ffff8800a7528000 [ 391.720110] RIP: 0010:[] [] kmem_cache_alloc+0xd9/0x113 [ 391.722077] RSP: 0018:ffff8800a752be88 EFLAGS: 00010282 [ 391.724015] RAX: 0000000000000000 RBX: ffff8800a7c09840 RCX: 0000000000002259 [ 391.725954] RDX: 0000000000002258 RSI: 00000000000000d0 RDI: ffff88014a003900 [ 391.727880] RBP: 00000000ffffffff R08: 0000000000015520 R09: 0000000000080800 [ 391.729782] R10: 00007fffdb493a20 R11: 0000000000000206 R12: ffff88014a003900 [ 391.731656] R13: 00000000000000d0 R14: ffffffff811460c1 R15: 0000000000000000 [ 391.733524] FS: 00007f79f0568880(0000) GS:ffff88014ec40000(0000) knlGS:0000000000000000 [ 391.735383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 391.737233] CR2: 00000000ffffffff CR3: 00000000a23ab000 CR4: 00000000003407e0 [ 391.739094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 391.740952] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 391.742741] Stack: [ 391.744449] 0000000000000000 ffff8800a7c09840 ffff8800022e4700 00000000ffffffef [ 391.746179] 0000000000000000 000000000000000c 0000000000000000 ffffffff811460c1 [ 391.747890] ffff880100000003 ffff8800022e4300 0000000000000000 00000000817cb360 [ 391.749584] Call Trace: [ 391.751253] [] ? SyS_epoll_ctl+0x2fb/0x7dc [ 391.752942] [] ? anon_inode_getfile+0xd5/0x139 [ 391.754636] [] ? __fd_install+0x15/0x43 [ 391.756321] [] ? system_call_fastpath+0x12/0x17 [ 391.758016] Code: e9 4d 89 f8 4c 89 f1 48 89 ea 48 89 de 41 ff 14 24 49 83 c4 10 49 83 3c 24 00 eb 36 eb 38 49 63 44 24 20 4d 8b 04 24 48 8d 4a 01 <48> 8b 5c 05 00 48 89 e8 65 49 0f c7 08 0f 94 c0 84 c0 0f 85 78 [ 391.759970] RIP [] kmem_cache_alloc+0xd9/0x113 [ 391.761748] RSP [ 391.763512] CR2: 00000000ffffffff [ 391.765269] ---[ end trace 6e905ea15340734f ]--- [ 451.155816] INFO: rcu_sched detected stalls on CPUs/tasks: { 2} (detected by 0, t=60002 jiffies, g=1355, c=1354, q=493) [ 451.158602] Task dump for CPU 2: [ 451.161337] gem_reset_stats R running task 0 4749 0 0x0000000a [ 451.164101] 0000000000000000 ffff880002e3d0d0 ffffffff81064c6c ffff880147c27000 [ 451.166907] ffff8800a75dc000 0000000000000000 ffff880002e3d0e0 0000000000000082 [ 451.169694] 0000000000000000 ffff880002275ac0 ffff8800022762c8 0000000000000046 [ 451.172467] Call Trace: [ 451.175221] [] ? __wake_up_common+0x42/0x78 [ 451.178012] [] ? __wake_up_sync_key+0x40/0x58 [ 451.180801] [] ? do_notify_parent+0x1bd/0x1d2 [ 451.183585] [] ? _raw_spin_unlock_irqrestore+0x5/0x6 [ 451.186382] [] ? put_io_context_active+0x6c/0x9d [ 451.189190] [] ? do_exit+0x856/0x91d [ 451.191986] [] ? printk+0x48/0x4d [ 451.194776] [] ? oops_end+0x9a/0x9f [ 451.197563] [] ? no_context+0x2ca/0x30b [ 451.200341] [] ? __do_page_fault+0x41a/0x4a8 [ 451.203124] [] ? ext4_ext_map_blocks+0xd31/0xe7a [ 451.205911] [] ? __es_remove_extent+0x3f/0x258 [ 451.208689] [] ? __es_insert_extent+0x2eb/0x30a [ 451.211459] [] ? scsi_host_alloc_command+0x3e/0x9e [ 451.214239] [] ? page_fault+0x22/0x30 [ 451.217022] [] ? scsi_host_alloc_command+0x3e/0x9e [ 451.219819] [] ? kmem_cache_alloc+0xd9/0x113 [ 451.222615] [] ? scsi_host_alloc_command+0x3e/0x9e [ 451.225414] [] ? scsi_get_command+0x16/0x128 [ 451.228221] [] ? scsi_prep_fn+0x58/0x139 [ 451.231019] [] ? blk_peek_request+0xf7/0x216 [ 451.233834] [] ? scsi_request_fn+0x2f/0x5cc [ 451.236558] [] ? __blk_run_queue+0x29/0x31 [ 451.239188] [] ? queue_unplugged+0x54/0x77 [ 451.241806] [] ? blk_flush_plug_list+0x1aa/0x1bc [ 451.244433] [] ? blk_finish_plug+0xb/0x2a [ 451.247050] [] ? __do_page_cache_readahead+0x1a2/0x1c3 [ 451.249659] [] ? filemap_fault+0x196/0x3a7 [ 451.252245] [] ? __do_fault+0x35/0x73 [ 451.254816] [] ? do_read_fault.isra.80+0x1ae/0x26d [ 451.257410] [] ? pte_alloc_one+0x28/0x38 [ 451.259901] [] ? handle_mm_fault+0x1ea/0x836 [ 451.262299] [] ? user_path_at_empty+0x54/0x7d [ 451.264650] [] ? __do_page_fault+0x464/0x4a8 [ 451.266970] [] ? __dentry_kill+0x148/0x172 [ 451.269266] [] ? vfs_fstatat+0x3e/0x8d [ 451.271537] [] ? __fput+0x186/0x1ab [ 451.273797] [] ? SyS_newstat+0x12/0x2d [ 451.276057] [] ? task_work_run+0x84/0x93 [ 451.278308] [] ? page_fault+0x22/0x30 [ 600.764691] [drm:intel_edp_backlight_off] [ 600.964768] [drm:intel_panel_actually_set_backlight] set backlight PWM = 0 [ 600.982765] [drm:edp_panel_vdd_on] Turning eDP port A VDD on [ 600.982771] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000b [ 600.982917] [drm:edp_panel_off] Turn eDP port A panel power off [ 600.982920] [drm:wait_panel_off] Wait for panel power off time [ 600.982924] [drm:wait_panel_status] mask b0000000 value 00000000 status 80000008 control abcd0000 [ 601.037729] [drm:wait_panel_status] Wait complete [ 601.037736] [drm:intel_fbc_update] no output, disabling [ 601.037738] [drm:intel_display_power_put] disabling always-on [ 601.037742] [drm:check_encoder_state] [ENCODER:29:TMDS-29] [ 601.037744] [drm:check_encoder_state] [ENCODER:38:TMDS-38] [ 601.037745] [drm:check_encoder_state] [ENCODER:40:DP MST-40] [ 601.037746] [drm:check_encoder_state] [ENCODER:41:DP MST-41] [ 601.037747] [drm:check_encoder_state] [ENCODER:42:DP MST-42] [ 601.037748] [drm:check_encoder_state] [ENCODER:45:TMDS-45] [ 601.037750] [drm:check_crtc_state] [CRTC:19] [ 601.037752] [drm:check_crtc_state] [CRTC:23] [ 601.037753] [drm:check_crtc_state] [CRTC:27] [ 601.037754] [drm:check_shared_dpll_state] WRPLL 1 [ 601.037755] [drm:check_shared_dpll_state] WRPLL 2