Attachment 112866 Details for Bug 88817 – dmesg

dmesg

dmesg_bsw01_gem_reset_0127.txt (text/plain), 21.86 KB, created by lu hua on 2015-01-27 02:13:26 UTC

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Creator: lu hua

Created: 2015-01-27 02:13:26 UTC

Size: 21.86 KB

patch

obsolete

>[   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:[<ffffffff8110dc7e>]  [<ffffffff8110dc7e>] 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]  [<ffffffffa009276d>] ? i915_wedged_get+0x11/0x11 [i915]
>[  154.035746]  [<ffffffffa00934b3>] ? i915_ring_missed_irq_set+0x3f/0x3f [i915]
>[  154.041420]  [<ffffffff81130482>] ? simple_attr_open+0x33/0x9e
>[  154.047080]  [<ffffffffa009282a>] ? i915_ring_missed_irq_fops_open+0x1a/0x1a [i915]
>[  154.052762]  [<ffffffff81112001>] ? do_dentry_open+0x184/0x2a6
>[  154.058414]  [<ffffffff8111deec>] ? do_last+0x942/0xb75
>[  154.064010]  [<ffffffff8111c301>] ? __inode_permission+0x53/0x6e
>[  154.069612]  [<ffffffff8111e251>] ? link_path_walk+0x51/0x74a
>[  154.075172]  [<ffffffff8111f6bc>] ? path_openat+0x20f/0x560
>[  154.080770]  [<ffffffff81120597>] ? do_filp_open+0x2b/0x6f
>[  154.086253]  [<ffffffff81129ba1>] ? __alloc_fd+0x58/0xe3
>[  154.091686]  [<ffffffff811131d6>] ? do_sys_open+0x14b/0x1cf
>[  154.097105]  [<ffffffff8179f452>] ? 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  [<ffffffff8110dc7e>] kmem_cache_alloc_trace+0xce/0x104
>[  154.114424]  RSP <ffff880002817c38>
>[  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:[<ffffffff8110e92b>]  [<ffffffff8110e92b>] 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]  [<ffffffff813ffad1>] ? scsi_host_alloc_command+0x3e/0x9e
>[  207.023432]  [<ffffffff813ffc25>] ? scsi_get_command+0x16/0x128
>[  207.029816]  [<ffffffff8140799d>] ? scsi_prep_fn+0x58/0x139
>[  207.036008]  [<ffffffff81325ff2>] ? blk_peek_request+0xf7/0x216
>[  207.042189]  [<ffffffff81407d70>] ? scsi_request_fn+0x2f/0x5cc
>[  207.048352]  [<ffffffff81323644>] ? __blk_run_queue+0x29/0x31
>[  207.054496]  [<ffffffff813263ea>] ? blk_flush_plug_list+0x18a/0x1bc
>[  207.060580]  [<ffffffff81326427>] ? blk_finish_plug+0xb/0x2a
>[  207.066588]  [<ffffffff810d9884>] ? generic_writepages+0x46/0x54
>[  207.072551]  [<ffffffff81133710>] ? __writeback_single_inode+0x6d/0x1e7
>[  207.078483]  [<ffffffff8113477e>] ? writeback_sb_inodes+0x1e1/0x316
>[  207.084340]  [<ffffffff8113491c>] ? __writeback_inodes_wb+0x69/0xab
>[  207.090142]  [<ffffffff81134a94>] ? wb_writeback+0x136/0x288
>[  207.095888]  [<ffffffff8104f03f>] ? set_worker_desc+0x70/0x7b
>[  207.101565]  [<ffffffff81134e58>] ? bdi_writeback_workfn+0x19c/0x388
>[  207.107181]  [<ffffffff8104d108>] ? process_one_work+0x1ad/0x31a
>[  207.112756]  [<ffffffff8104d4cf>] ? worker_thread+0x235/0x330
>[  207.118333]  [<ffffffff8104d29a>] ? process_scheduled_works+0x25/0x25
>[  207.123893]  [<ffffffff81050da2>] ? kthread+0xc5/0xcd
>[  207.129401]  [<ffffffff81050cdd>] ? kthread_freezable_should_stop+0x40/0x40
>[  207.134951]  [<ffffffff8179f3ac>] ? ret_from_fork+0x7c/0xb0
>[  207.140486]  [<ffffffff81050cdd>] ? 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  [<ffffffff8110e92b>] kmem_cache_alloc+0xd9/0x113
>[  207.158357]  RSP <ffff88017ab5b9a8>
>[  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]  <IRQ>  [<ffffffff81077441>] ? rcu_dump_cpu_stacks+0x55/0x88
>[  267.241474]  [<ffffffff810794c1>] ? rcu_check_callbacks+0x1e8/0x555
>[  267.247043]  [<ffffffff81087e59>] ? tick_nohz_handler+0x8d/0x8d
>[  267.252631]  [<ffffffff8107ce52>] ? update_process_times+0x24/0x47
>[  267.258211]  [<ffffffff81087ced>] ? tick_sched_handle+0x30/0x3b
>[  267.263731]  [<ffffffff81087e88>] ? tick_sched_timer+0x2f/0x55
>[  267.269150]  [<ffffffff8107d270>] ? __run_hrtimer+0xa4/0x168
>[  267.274525]  [<ffffffff8107d9f0>] ? hrtimer_interrupt+0xe4/0x1cc
>[  267.279837]  [<ffffffff81026ba9>] ? smp_apic_timer_interrupt+0x34/0x43
>[  267.285162]  [<ffffffff817a022a>] ? apic_timer_interrupt+0x6a/0x70
>[  267.290497]  <EOI>  [<ffffffff8103cacf>] ? release_task+0x331/0x3da
>[  267.295895]  [<ffffffff8179f026>] ? _raw_spin_lock_irqsave+0x1/0x1f
>[  267.301313]  [<ffffffff81328672>] ? put_io_context_active+0x1f/0x9d
>[  267.306694]  [<ffffffff8103df6f>] ? do_exit+0x856/0x91d
>[  267.311839]  [<ffffffff817967c3>] ? printk+0x48/0x4d
>[  267.316730]  [<ffffffff81005343>] ? oops_end+0x9a/0x9f
>[  267.321446]  [<ffffffff81002cce>] ? do_error_trap+0xaa/0xb7
>[  267.326076]  [<ffffffff81329468>] ? blk_recount_segments+0x130/0x14a
>[  267.330683]  [<ffffffff8132a223>] ? blk_rq_merge_ok+0x64/0x1c4
>[  267.335228]  [<ffffffff8132360a>] ? part_round_stats+0x38/0x49
>[  267.339713]  [<ffffffff813ffad1>] ? scsi_host_alloc_command+0x3e/0x9e
>[  267.344270]  [<ffffffff817a0db2>] ? stack_segment+0x22/0x30
>[  267.348721]  [<ffffffff813ffad1>] ? scsi_host_alloc_command+0x3e/0x9e
>[  267.353199]  [<ffffffff8110e92b>] ? kmem_cache_alloc+0xd9/0x113
>[  267.357661]  [<ffffffff813ffad1>] ? scsi_host_alloc_command+0x3e/0x9e
>[  267.362141]  [<ffffffff813ffc25>] ? scsi_get_command+0x16/0x128
>[  267.366585]  [<ffffffff8140799d>] ? scsi_prep_fn+0x58/0x139
>[  267.370973]  [<ffffffff81325ff2>] ? blk_peek_request+0xf7/0x216
>[  267.375345]  [<ffffffff81407d70>] ? scsi_request_fn+0x2f/0x5cc
>[  267.379673]  [<ffffffff81323644>] ? __blk_run_queue+0x29/0x31
>[  267.383954]  [<ffffffff813263ea>] ? blk_flush_plug_list+0x18a/0x1bc
>[  267.388226]  [<ffffffff81326427>] ? blk_finish_plug+0xb/0x2a
>[  267.392492]  [<ffffffff810d9884>] ? generic_writepages+0x46/0x54
>[  267.396721]  [<ffffffff81133710>] ? __writeback_single_inode+0x6d/0x1e7
>[  267.400938]  [<ffffffff8113477e>] ? writeback_sb_inodes+0x1e1/0x316
>[  267.405164]  [<ffffffff8113491c>] ? __writeback_inodes_wb+0x69/0xab
>[  267.409394]  [<ffffffff81134a94>] ? wb_writeback+0x136/0x288
>[  267.413617]  [<ffffffff8104f03f>] ? set_worker_desc+0x70/0x7b
>[  267.417838]  [<ffffffff81134e58>] ? bdi_writeback_workfn+0x19c/0x388
>[  267.422079]  [<ffffffff8104d108>] ? process_one_work+0x1ad/0x31a
>[  267.426315]  [<ffffffff8104d4cf>] ? worker_thread+0x235/0x330
>[  267.430540]  [<ffffffff8104d29a>] ? process_scheduled_works+0x25/0x25
>[  267.434790]  [<ffffffff81050da2>] ? kthread+0xc5/0xcd
>[  267.439004]  [<ffffffff81050cdd>] ? kthread_freezable_should_stop+0x40/0x40
>[  267.443256]  [<ffffffff8179f3ac>] ? ret_from_fork+0x7c/0xb0
>[  267.447500]  [<ffffffff81050cdd>] ? kthread_freezable_should_stop+0x40/0x40

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