[Bug 103553] New: X crash and reboot

Fri Nov 3 00:09:35 UTC 2017

https://bugs.freedesktop.org/show_bug.cgi?id=103553

            Bug ID: 103553
           Summary: X crash and reboot
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: elabelle at vaielab.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

I'm using Debian 9 with mate desktop 1.16.2. My cpu is a i7-7700k and I’m also
using the cpu for graphics.
But about twice a week, X become unresponsive except for the mouse but I can’t
click on anything for about 20-30secs then X restart. It close every open
program, and I lose a tons of stuff. Not sure if it has any real relation but
It usully happend while I’m moving or uncompressing files.

I found that I had multiple dmesg errors messages

[56352.602322] sd 6:0:0:0: [sdd] Attached SCSI removable disk
[56353.186953] UDF-fs: warning (device sdd1): udf_load_vrs: No anchor found
[56353.186954] UDF-fs: Rescanning with blocksize 2048
[56353.197640] UDF-fs: warning (device sdd1): udf_load_vrs: No anchor found
[56353.197641] UDF-fs: Rescanning with blocksize 2048
[56353.202329] UDF-fs: INFO Mounting volume 'GParted-live', timestamp
2017/10/11 02:08 (1000)
[56544.007285] GPT:Primary header thinks Alt. header is not at the end of the
disk.
[56544.007285] GPT:1108031 != 2015231
[56544.007286] GPT:Alternate GPT header not at the end of the disk.
[56544.007286] GPT:1108031 != 2015231
[56544.007286] GPT: Use GNU Parted to correct GPT errors.
[56544.007293]  sdd: sdd1 sdd2 sdd3
[56548.912038] usb 1-7: USB disconnect, device number 9
[61571.500125] perf: interrupt took too long (2527 > 2500), lowering
kernel.perf_event_max_sample_rate to 79000
[78761.896850] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[82649.408506] perf: interrupt took too long (3160 > 3158), lowering
kernel.perf_event_max_sample_rate to 63250
[92508.136386] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[99004.421060] perf: interrupt took too long (3990 > 3950), lowering
kernel.perf_event_max_sample_rate to 50000
[131065.011117] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable
link training
[131065.284401] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to start
channel equalization
[131066.736574] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[134329.016759] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[141447.752846] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[153214.448685] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[153627.647726] br0: port 2(vnet0) entered disabled state
[153627.648047] device vnet0 left promiscuous mode
[153627.648052] br0: port 2(vnet0) entered disabled state
[153630.655499] br0: port 2(vnet0) entered blocking state
[153630.655500] br0: port 2(vnet0) entered disabled state
[153630.655594] device vnet0 entered promiscuous mode
[153630.675637] br0: port 2(vnet0) entered blocking state
[153630.675640] br0: port 2(vnet0) entered forwarding state
[153631.251589] vfio_ecap_init: 0000:01:00.0 hiding ecap 0x19 at 0x900
[153633.806513] kvm: zapping shadow pages for mmio generation wraparound
[153633.807127] kvm: zapping shadow pages for mmio generation wraparound
[168270.816764] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[168910.297856] br0: port 2(vnet0) entered disabled state
[168910.298424] device vnet0 left promiscuous mode
[168910.298425] br0: port 2(vnet0) entered disabled state
[172204.688659] [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun
[177392.090944] [drm] GPU HANG: ecode 9:0:0x84dfbffc, in Xorg [934], reason:
Hang on render ring, action: reset
[177392.090947] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[177392.090948] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[177392.090949] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[177392.090951] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[177392.090952] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[177392.091020] drm/i915: Resetting chip after gpu hang
[177392.091086] [drm] RC6 on
[177392.110049] [drm] GuC firmware load skipped
[177402.106586] drm/i915: Resetting chip after gpu hang
[177402.106650] [drm] RC6 on
[177402.122137] [drm] GuC firmware load skipped
[177402.148921] Chrome_ChildThr[10211]: segfault at c ip 00007f8557e88802 sp
00007f854d9fe670 error 4 in libxul.so[7f85571d2000+43ea000]

I tried to sudo cat /sys/class/drm/card0/error, but it output
no error state collected

Thank you

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