[Bug 90835] New: [4.1-rc6] gpu hang: ecode 6:-1:0x00000000, Kicking stuck semaphore on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90835

            Bug ID: 90835
           Summary: [4.1-rc6] gpu hang: ecode 6:-1:0x00000000, Kicking
                    stuck semaphore on render ring
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: Martin at Lichtvoll.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 116272
  --> https://bugs.freedesktop.org/attachment.cgi?id=116272&action=edit
4.1-rc6

With 4.1-rc6 I got this after playing PlaneShift for a while:

[ 7168.882024] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 7168.882051] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 7168.882052] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 7168.882054] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 7168.882055] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 7168.882057] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 7201.882566] mce: [Hardware Error]: Machine check events logged
[ 7204.891713] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 7676.967832] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 7708.969124] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 7919.003315] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 8111.034712] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 8193.048111] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue
[ 8329.070245] [drm] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck
semaphore on render ring, action: continue


The machine, a ThinkPad T520, was overheating during playing PlaneShift, but
the hangs happened afterwards.

I will attach the dump file.

GPU hangs now happen from time to time after I stopped playing PlaneShift.

I thought I never saw this before, but I can see it in logs back to 24th of
May.

So, I think 4.1-rc4 which I installed at 19th of May is also affected.

Bug #89524 GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck wait on
render ring, action: continue

may be related, but I think I didn´t see it before kernel 4.1, so this may have
a different cause. Feel free to merge bug reports if you think its the same
issue.

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