[ 94.965411] console [netcon0] enabled [ 94.968993] netconsole: network logging started [ 94.978395] console [netcon0] disabled [ 95.028267] console [netcon0] enabled [ 95.031929] netconsole: network logging started [ 96.691342] [drm:edp_panel_vdd_off_sync] Turning eDP port C VDD off [ 96.695117] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007 [ 103.702527] [drm:intel_dp_detect] [CONNECTOR:41:eDP-1] [ 103.706419] [drm:edp_panel_vdd_on] Turning eDP port C VDD on [ 103.710275] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f [ 103.714658] [drm:intel_dp_probe_oui] Sink OUI: 001cf8 [ 103.718968] [drm:intel_dp_probe_oui] Branch OUI: 000000 [ 104.677195] NET: Registered protocol family 10 [ 106.727666] [drm:edp_panel_vdd_off_sync] Turning eDP port C VDD off [ 106.731627] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007 [ 113.754621] [drm:intel_dp_detect] [CONNECTOR:41:eDP-1] [ 113.758584] [drm:edp_panel_vdd_on] Turning eDP port C VDD on [ 113.762528] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f [ 113.766846] [drm:intel_dp_probe_oui] Sink OUI: 001cf8 [ 113.771208] [drm:intel_dp_probe_oui] Branch OUI: 000000 [ 116.780069] [drm:edp_panel_vdd_off_sync] Turning eDP port C VDD off [ 116.784125] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007 [ 123.806812] [drm:intel_dp_detect] [CONNECTOR:41:eDP-1] [ 123.810945] [drm:edp_panel_vdd_on] Turning eDP port C VDD on [ 123.815042] [drm:edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd000f [ 123.819485] [drm:intel_dp_probe_oui] Sink OUI: 001cf8 [ 123.823973] [drm:intel_dp_probe_oui] Branch OUI: 000000 [ 123.967249] [drm:intel_hpd_irq_reenable_work] Reenabling HPD on connector eDP-1 [ 126.832433] [drm:edp_panel_vdd_off_sync] Turning eDP port C VDD off [ 126.836559] [drm:edp_panel_vdd_off_sync] PP_STATUS: 0x80000008 PP_CONTROL: 0xabcd0007 [ 139.726921] gem_reset_stats: executing [ 139.731435] [drm:i915_gem_open] [ 139.738814] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.743011] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.747394] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.751624] [drm:i915_pages_create_for_stolen] offset=0x0, size=131072 [ 139.756401] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.760747] [drm:i915_pages_create_for_stolen] offset=0x20000, size=131072 [ 139.765468] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.769836] [drm:i915_pages_create_for_stolen] offset=0x40000, size=131072 [ 139.774699] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.779107] [drm:i915_pages_create_for_stolen] offset=0x60000, size=131072 [ 139.783994] [drm:i915_gem_open] [ 139.791531] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.795944] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.803517] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.807926] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.812338] [drm:i915_gem_context_create_ioctl] HW context 1 created [ 139.817082] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed [ 139.822137] [drm:i915_gem_open] [ 139.829735] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.834312] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.839201] [drm:i915_gem_open] [ 139.846858] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.851525] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.856637] gem_reset_stats: starting subtest ban-blt [ 139.861453] [drm:i915_gem_open] [ 139.869227] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.874008] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.878866] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.883681] [drm:i915_pages_create_for_stolen] offset=0x0, size=131072 [ 139.889150] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.894062] [drm:i915_pages_create_for_stolen] offset=0x20000, size=131072 [ 139.899270] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.904126] [drm:i915_pages_create_for_stolen] offset=0x40000, size=131072 [ 139.909441] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.914388] [drm:i915_pages_create_for_stolen] offset=0x60000, size=131072 [ 139.920343] [drm:i915_gem_open] [ 139.928439] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.933534] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.938631] [drm:i915_gem_open] [ 139.946850] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 139.951926] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 139.957031] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.962037] [drm:i915_pages_create_for_stolen] offset=0x0, size=131072 [ 139.967484] [drm:i915_gem_object_create_stolen] creating stolen object: size=20000 [ 139.972500] [drm:i915_pages_create_for_stolen] offset=0x20000, size=131072 [ 139.978263] [drm:i915_ring_stop_set] Stopping rings 0x80000004 [ 147.813741] [drm] stuck on blitter ring [ 147.845386] [drm] GPU HANG: ecode 8:2:0xe77ffff6, in gem_reset_stats [4456], reason: Ring hung, action: reset [ 147.850553] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace. [ 147.855737] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel [ 147.860936] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue. [ 147.866189] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it. [ 147.871490] [drm] GPU crash dump saved to /sys/class/drm/card0/error [ 147.877442] [drm:i915_error_work_func] resetting chip [ 147.884279] [drm] Simulated gpu hang, resetting stop_rings [ 147.889625] drm/i915: Resetting chip after gpu hang [ 147.895086] [drm:gen8_init_common_ring] Execlists enabled for render ring [ 147.900599] [drm:gen8_init_common_ring] Execlists enabled for bsd ring [ 147.905867] [drm:gen8_init_common_ring] Execlists enabled for blitter ring [ 147.911261] [drm:gen8_init_common_ring] Execlists enabled for video enhancement ring [ 147.916821] [drm:i9xx_update_primary_plane] Writing base 00887000 00000000 0 0 7680 [ 147.922713] [drm:i915_ring_stop_set] Stopping rings 0x80000004 [ 149.814659] [drm:cherryview_enable_rps] GT fifo had a previous error 1080000 [ 149.821120] [drm:cherryview_enable_rps] GPLL enabled? yes [ 149.826329] [drm:cherryview_enable_rps] GPU status: 0x00004010 [ 149.831495] [drm:cherryview_enable_rps] current GPU freq: 640 MHz (64) [ 149.836658] [drm:cherryview_enable_rps] setting GPU freq to 400 MHz (40) [ 153.816344] [drm] stuck on blitter ring [ 153.848159] [drm] GPU HANG: ecode 8:2:0xe77ffff2, in gem_reset_stats [4456], reason: Ring hung, action: reset [ 153.853601] [drm:i915_error_work_func] resetting chip [ 153.860874] [drm] Simulated gpu hang, resetting stop_rings [ 153.866083] drm/i915: Resetting chip after gpu hang [ 153.871403] [drm:gen8_init_common_ring] Execlists enabled for render ring [ 153.876764] [drm:gen8_init_common_ring] Execlists enabled for bsd ring [ 153.881863] [drm:gen8_init_common_ring] Execlists enabled for blitter ring [ 153.887104] [drm:gen8_init_common_ring] Execlists enabled for video enhancement ring [ 153.892456] [drm:i9xx_update_primary_plane] Writing base 00887000 00000000 0 0 7680 [ 153.898269] [drm:i915_gem_open] [ 153.906402] [drm:gen8_ppgtt_init] Allocated 2 pages for page directories (0 wasted) [ 153.911445] [drm:gen8_ppgtt_init] Allocated 1024 pages for page tables (0 wasted) [ 153.916556] stack segment: 0000 [#1] SMP [ 153.921575] Modules linked in: ipv6 netconsole configfs dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt snd_hda_intel snd_hda_controller iTCO_vendor_support snd_hda_codec snd_hwdep snd_pcm serio_raw pcspkr i2c_i801 snd_timer r8169 lpc_ich snd mfd_core soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 153.932969] CPU: 0 PID: 4456 Comm: gem_reset_stats Not tainted 3.19.0-rc5_drm-intel-nightly_67e9eb_20150126+ #938 [ 153.938635] task: ffff880179c14800 ti: ffff880002814000 task.ti: ffff880002814000 [ 153.944313] RIP: 0010:[] [] kmem_cache_alloc_trace+0xce/0x104 [ 153.950084] RSP: 0018:ffff880002817c38 EFLAGS: 00010286 [ 153.955806] RAX: 0000000000000000 RBX: ffff880002fde700 RCX: 000000000000413a [ 153.961550] RDX: 0000000000004139 RSI: 00000000000000d0 RDI: ffff88017b001900 [ 153.967290] RBP: ff880179b08d8000 R08: 0000000000015520 R09: 0000000000000000 [ 153.972999] R10: ffff880178ac9300 R11: ffff8f908b8ca098 R12: 00000000000000d0 [ 153.978703] R13: 0000000000000078 R14: ffffffff81130482 R15: ffff88017b001900 [ 153.984390] FS: 00007f129d48f8c0(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000 [ 153.990119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.995815] CR2: 00007fb445799148 CR3: 0000000075c3a000 CR4: 00000000001007f0 [ 154.001525] Stack: [ 154.007175] ffff880178b10af0 ffff880002fde700 ffff880178b10af0 ffff880002fde700 [ 154.012935] ffffffffa009276d ffffffffa00934b3 ffff880002817df4 ffffffff81130482 [ 154.018685] ffff880178b10af0 ffffffffa01216ef ffff880002fde700 ffff880178b10af0 [ 154.024395] Call Trace: [ 154.030051] [] ? i915_wedged_get+0x11/0x11 [i915] [ 154.035746] [] ? i915_ring_missed_irq_set+0x3f/0x3f [i915] [ 154.041420] [] ? simple_attr_open+0x33/0x9e [ 154.047080] [] ? i915_ring_missed_irq_fops_open+0x1a/0x1a [i915] [ 154.052762] [] ? do_dentry_open+0x184/0x2a6 [ 154.058414] [] ? do_last+0x942/0xb75 [ 154.064010] [] ? __inode_permission+0x53/0x6e [ 154.069612] [] ? link_path_walk+0x51/0x74a [ 154.075172] [] ? path_openat+0x20f/0x560 [ 154.080770] [] ? do_filp_open+0x2b/0x6f [ 154.086253] [] ? __alloc_fd+0x58/0xe3 [ 154.091686] [] ? do_sys_open+0x14b/0x1cf [ 154.097105] [] ? system_call_fastpath+0x12/0x17 [ 154.102508] Code: 7e 08 45 89 e1 49 89 d8 4c 89 e9 48 89 ea 4c 89 fe 41 ff 16 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 [ 154.108791] RIP [] kmem_cache_alloc_trace+0xce/0x104 [ 154.114424] RSP [ 154.120036] ---[ end trace 773048983473776d ]--- [ 154.126786] [drm:intel_crtc_set_config] [CRTC:20] [NOFB] [ 154.132297] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:20], mode_changed=0, fb_changed=0 [ 154.137877] [drm:intel_modeset_stage_output_state] [CONNECTOR:41:eDP-1] to [CRTC:25] [ 154.143456] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0 [ 154.149101] [drm:intel_crtc_set_config] [CRTC:25] [FB:52] #connectors=1 (x y) (0 0) [ 154.154750] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:25], mode_changed=0, fb_changed=0 [ 154.160485] [drm:intel_modeset_stage_output_state] [CONNECTOR:41:eDP-1] to [CRTC:25] [ 154.166263] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 2, prepare: 2, disable: 0 [ 154.172145] [drm:connected_sink_compute_bpp] [CONNECTOR:41:eDP-1] checking for sink bpp constrains [ 154.178094] [drm:intel_dp_compute_config] DP link computation with max lane count 2 max bw 0a pixel clock 138780KHz [ 154.184115] [drm:intel_dp_compute_config] DP link bw 0a lane count 2 clock 270000 bpp 24 [ 154.190090] [drm:intel_dp_compute_config] DP link bw required 333072 available 432000 [ 154.196031] [drm:intel_modeset_pipe_config] plane bpp: 24, pipe bpp: 24, dithering: 0 [ 154.201995] [drm:intel_dump_pipe_config] [CRTC:25][modeset] config for pipe B [ 154.208000] [drm:intel_dump_pipe_config] cpu_transcoder: B [ 154.213988] [drm:intel_dump_pipe_config] pipe bpp: 24, dithering: 0 [ 154.219997] [drm:intel_dump_pipe_config] fdi/pch: 0, lanes: 0, gmch_m: 0, gmch_n: 0, link_m: 0, link_n: 0, tu: 0 [ 154.226076] [drm:intel_dump_pipe_config] dp: 1, gmch_m: 6467616, gmch_n: 8388608, link_m: 269484, link_n: 524288, tu: 64 [ 154.232150] [drm:intel_dump_pipe_config] dp: 1, gmch_m2: 0, gmch_n2: 0, link_m2: 0, link_n2: 0, tu2: 0 [ 154.238166] [drm:intel_dump_pipe_config] audio: 0, infoframes: 0 [ 154.244158] [drm:intel_dump_pipe_config] requested mode: [ 154.250110] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 154.256206] [drm:intel_dump_pipe_config] adjusted mode: [ 154.262324] [drm:drm_mode_debug_printmodeline] Modeline 0:"1920x1080" 60 138780 1920 1966 1996 2080 1080 1082 1086 1112 0x48 0xa [ 154.268655] [drm:intel_dump_crtc_timings] crtc timings: 138780 1920 1966 1996 2080 1080 1082 1086 1112, type: 0x48 flags: 0xa [ 154.275079] [drm:intel_dump_pipe_config] port clock: 270000 [ 154.281451] [drm:intel_dump_pipe_config] pipe src size: 1920x1080 [ 154.287784] [drm:intel_dump_pipe_config] gmch pfit: control: 0x00000000, ratios: 0x00000000, lvds border: 0x00000000 [ 154.294195] [drm:intel_dump_pipe_config] pch pfit: pos: 0x00000000, size: 0x00000000, disabled [ 154.300612] [drm:intel_dump_pipe_config] ips: 0 [ 154.306955] [drm:intel_dump_pipe_config] double wide: 0 [ 154.313066] [drm:intel_crtc_set_config] [CRTC:30] [NOFB] [ 154.318954] [drm:intel_set_config_compute_mode_changes] computed changes for [CRTC:30], mode_changed=0, fb_changed=0 [ 154.324815] [drm:intel_modeset_stage_output_state] [CONNECTOR:41:eDP-1] to [CRTC:25] [ 154.330610] [drm:intel_modeset_affected_pipes] set mode pipe masks: modeset: 0, prepare: 0, disable: 0 [ 155.817267] [drm:cherryview_enable_rps] GT fifo had a previous error 1080000 [ 155.824734] [drm:cherryview_enable_rps] GPLL enabled? yes [ 155.830454] [drm:cherryview_enable_rps] GPU status: 0x00004010 [ 155.836167] [drm:cherryview_enable_rps] current GPU freq: 640 MHz (64) [ 155.841860] [drm:cherryview_enable_rps] setting GPU freq to 400 MHz (40) [ 206.883643] stack segment: 0000 [#2] SMP [ 206.889388] Modules linked in: ipv6 netconsole configfs dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt snd_hda_intel snd_hda_controller iTCO_vendor_support snd_hda_codec snd_hwdep snd_pcm serio_raw pcspkr i2c_i801 snd_timer r8169 lpc_ich snd mfd_core soundcore battery ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [last unloaded: netconsole] [ 206.902033] CPU: 0 PID: 6 Comm: kworker/u8:0 Tainted: G D 3.19.0-rc5_drm-intel-nightly_67e9eb_20150126+ #938 [ 206.908338] Workqueue: writeback bdi_writeback_workfn (flush-8:0) [ 206.914629] task: ffff88017b017000 ti: ffff88017ab58000 task.ti: ffff88017ab58000 [ 206.920931] RIP: 0010:[] [] kmem_cache_alloc+0xd9/0x113 [ 206.927306] RSP: 0018:ffff88017ab5b9a8 EFLAGS: 00010086 [ 206.933765] RAX: 0000000000000000 RBX: ffff880175114f00 RCX: 000000000000413e [ 206.940136] RDX: 000000000000413d RSI: 0000000000000020 RDI: ffff88017b001900 [ 206.946483] RBP: ff880179b08d8000 R08: 0000000000015520 R09: ffff88007b911000 [ 206.952816] R10: ffff88007b911000 R11: ffff88007b911000 R12: ffff88017b001900 [ 206.959139] R13: 0000000000000020 R14: ffffffff813ffad1 R15: ffff88017ab5bb28 [ 206.965440] FS: 0000000000000000(0000) GS:ffff88017fc00000(0000) knlGS:0000000000000000 [ 206.971762] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 206.978089] CR2: 00000000016ab1d8 CR3: 0000000001b99000 CR4: 00000000001007f0 [ 206.984466] Stack: [ 206.990811] 0000000000000000 ffff880175114f00 ffffffff81c01080 0000000000000020 [ 206.997311] ffff88017a3c9800 ffff88017a3c9800 ffff88017ab5bb28 ffffffff813ffad1 [ 207.003839] ffff88017a3c9800 ffff880175505988 ffff88017a3cc000 ffff88017a3c9800 [ 207.010374] Call Trace: [ 207.016868] [] ? scsi_host_alloc_command+0x3e/0x9e [ 207.023432] [] ? scsi_get_command+0x16/0x128 [ 207.029816] [] ? scsi_prep_fn+0x58/0x139 [ 207.036008] [] ? blk_peek_request+0xf7/0x216 [ 207.042189] [] ? scsi_request_fn+0x2f/0x5cc [ 207.048352] [] ? __blk_run_queue+0x29/0x31 [ 207.054496] [] ? blk_flush_plug_list+0x18a/0x1bc [ 207.060580] [] ? blk_finish_plug+0xb/0x2a [ 207.066588] [] ? generic_writepages+0x46/0x54 [ 207.072551] [] ? __writeback_single_inode+0x6d/0x1e7 [ 207.078483] [] ? writeback_sb_inodes+0x1e1/0x316 [ 207.084340] [] ? __writeback_inodes_wb+0x69/0xab [ 207.090142] [] ? wb_writeback+0x136/0x288 [ 207.095888] [] ? set_worker_desc+0x70/0x7b [ 207.101565] [] ? bdi_writeback_workfn+0x19c/0x388 [ 207.107181] [] ? process_one_work+0x1ad/0x31a [ 207.112756] [] ? worker_thread+0x235/0x330 [ 207.118333] [] ? process_scheduled_works+0x25/0x25 [ 207.123893] [] ? kthread+0xc5/0xcd [ 207.129401] [] ? kthread_freezable_should_stop+0x40/0x40 [ 207.134951] [] ? ret_from_fork+0x7c/0xb0 [ 207.140486] [] ? kthread_freezable_should_stop+0x40/0x40 [ 207.146113] 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 [ 207.152571] RIP [] kmem_cache_alloc+0xd9/0x113 [ 207.158357] RSP [ 207.164082] ---[ end trace 773048983473776e ]--- [ 267.196240] INFO: rcu_sched self-detected stall on CPU { 0} (t=60000 jiffies g=3259 c=3258 q=222) [ 267.202122] Task dump for CPU 0: [ 267.207811] kworker/u8:0 R running task 0 6 0 0x00000008 [ 267.213524] ffffffff81bc6380 0000000000000000 ffffffff81077441 ffffffff81bc6380 [ 267.219197] ffffffff81bc6380 ffff88017fc13080 0000000000000000 ffffffff81bc6380 [ 267.224780] ffffffff810794c1 0000000000000092 00000000000000de 0000000000000282 [ 267.230392] Call Trace: [ 267.235896] [] ? rcu_dump_cpu_stacks+0x55/0x88 [ 267.241474] [] ? rcu_check_callbacks+0x1e8/0x555 [ 267.247043] [] ? tick_nohz_handler+0x8d/0x8d [ 267.252631] [] ? update_process_times+0x24/0x47 [ 267.258211] [] ? tick_sched_handle+0x30/0x3b [ 267.263731] [] ? tick_sched_timer+0x2f/0x55 [ 267.269150] [] ? __run_hrtimer+0xa4/0x168 [ 267.274525] [] ? hrtimer_interrupt+0xe4/0x1cc [ 267.279837] [] ? smp_apic_timer_interrupt+0x34/0x43 [ 267.285162] [] ? apic_timer_interrupt+0x6a/0x70 [ 267.290497] [] ? release_task+0x331/0x3da [ 267.295895] [] ? _raw_spin_lock_irqsave+0x1/0x1f [ 267.301313] [] ? put_io_context_active+0x1f/0x9d [ 267.306694] [] ? do_exit+0x856/0x91d [ 267.311839] [] ? printk+0x48/0x4d [ 267.316730] [] ? oops_end+0x9a/0x9f [ 267.321446] [] ? do_error_trap+0xaa/0xb7 [ 267.326076] [] ? blk_recount_segments+0x130/0x14a [ 267.330683] [] ? blk_rq_merge_ok+0x64/0x1c4 [ 267.335228] [] ? part_round_stats+0x38/0x49 [ 267.339713] [] ? scsi_host_alloc_command+0x3e/0x9e [ 267.344270] [] ? stack_segment+0x22/0x30 [ 267.348721] [] ? scsi_host_alloc_command+0x3e/0x9e [ 267.353199] [] ? kmem_cache_alloc+0xd9/0x113 [ 267.357661] [] ? scsi_host_alloc_command+0x3e/0x9e [ 267.362141] [] ? scsi_get_command+0x16/0x128 [ 267.366585] [] ? scsi_prep_fn+0x58/0x139 [ 267.370973] [] ? blk_peek_request+0xf7/0x216 [ 267.375345] [] ? scsi_request_fn+0x2f/0x5cc [ 267.379673] [] ? __blk_run_queue+0x29/0x31 [ 267.383954] [] ? blk_flush_plug_list+0x18a/0x1bc [ 267.388226] [] ? blk_finish_plug+0xb/0x2a [ 267.392492] [] ? generic_writepages+0x46/0x54 [ 267.396721] [] ? __writeback_single_inode+0x6d/0x1e7 [ 267.400938] [] ? writeback_sb_inodes+0x1e1/0x316 [ 267.405164] [] ? __writeback_inodes_wb+0x69/0xab [ 267.409394] [] ? wb_writeback+0x136/0x288 [ 267.413617] [] ? set_worker_desc+0x70/0x7b [ 267.417838] [] ? bdi_writeback_workfn+0x19c/0x388 [ 267.422079] [] ? process_one_work+0x1ad/0x31a [ 267.426315] [] ? worker_thread+0x235/0x330 [ 267.430540] [] ? process_scheduled_works+0x25/0x25 [ 267.434790] [] ? kthread+0xc5/0xcd [ 267.439004] [] ? kthread_freezable_should_stop+0x40/0x40 [ 267.443256] [] ? ret_from_fork+0x7c/0xb0 [ 267.447500] [] ? kthread_freezable_should_stop+0x40/0x40