[Bug 104953] New: GPU Hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104953

            Bug ID: 104953
           Summary: GPU Hangs
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: pascal.ggl at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137172
  --> https://bugs.freedesktop.org/attachment.cgi?id=137172&action=edit
Content of /sys/class/drm/card0/error

About a week ago, my system froze for the first time with the following syslog
entries:

Jan 31 11:22:42 TP kernel: [14282.025287] [drm] GPU HANG: ecode 9:0:0x86dffffd,
in Xorg [870], reason: Hang on rcs0, action: reset
Jan 31 11:22:42 TP kernel: [14282.025322] drm/i915: Resetting chip after gpu
hang
Jan 31 11:22:42 TP kernel: [14282.025486] [drm] RC6 on
Jan 31 11:22:46 TP kernel: [14285.246630] asynchronous wait on fence
i915:kwin_x11[1506]/1:bd84 timed out
Jan 31 11:22:50 TP kernel: [14290.046737] drm/i915: Resetting chip after gpu
hang
Jan 31 11:22:50 TP kernel: [14290.046964] [drm] RC6 on
Jan 31 11:23:03 TP kernel: [14303.006629] drm/i915: Resetting chip after gpu
hang
Jan 31 11:23:03 TP kernel: [14303.006806] [drm] RC6 on
Jan 31 11:23:11 TP kernel: [14311.006544] drm/i915: Resetting chip after gpu
hang
Jan 31 11:23:11 TP kernel: [14311.006715] [drm] RC6 on
Jan 31 11:23:19 TP kernel: [14319.006432] drm/i915: Resetting chip after gpu
hang
Jan 31 11:23:19 TP kernel: [14319.006606] [drm] RC6 on
Jan 31 11:23:20 TP org.kde.kuiserver[1425]: kuiserver: Fatal IO error: client
killed

The kernel back then was: Linux 4.13.0-32-generic x86_64

This occurred several times a day. I reported this bug here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1746551

I then re-installed kubuntu 17.10, plus a newer 4.15 mainline kernel, but the
crash happened again:

Linux kernel:

Linux 4.15.0-041500-generic #201802011154 SMP Thu Feb 1 11:55:45 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux

Dmesg entries:

[16127.462805] [drm] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [887], reason:
Hang on rcs0, action: reset
[16127.462806] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[16127.462807] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[16127.462807] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[16127.462807] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[16127.462808] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[16127.462813] i915 0000:00:02.0: Resetting rcs0 after gpu hang
[16135.453438] i915 0000:00:02.0: Resetting rcs0 after gpu hang
[16143.452952] i915 0000:00:02.0: Resetting rcs0 after gpu hang
[16157.468290] i915 0000:00:02.0: Resetting rcs0 after gpu hang
[16171.451587] i915 0000:00:02.0: Resetting rcs0 after gpu hang

The content of /sys/class/drm/card0/error is attached as requested

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