[Bug 65232] New: [i915] Hangcheck timer elapsed... GPU hung on multiscreen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=65232

          Priority: medium
            Bug ID: 65232
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [i915] Hangcheck timer elapsed... GPU hung on
                    multiscreen
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: st at metafly.info
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 80116
  --> https://bugs.freedesktop.org/attachment.cgi?id=80116&action=edit
/sys/kernel/debug/dri/0/i915_error_state

The GPU locks up when using OpenGL or chromiums accelerated rendering with at
least two screens.

The issue exists in linux 3.9.0 but not in linux 3.7.10.

uname:
Linux X230 3.9.0 #46 SMP Sun May 26 02:45:17 CEST 2013 x86_64 Intel(R) Core(TM)
i7-3520M CPU @ 2.90GHz GenuineIntel GNU/Linux

dmesg says:
[ 2014.354516] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU
hung
[ 2014.354523] [drm] capturing error event; look for more information
in/sys/kernel/debug/dri/0/i915_error_state
[ 2014.357179] [drm:kick_ring] *ERROR* Kicking stuck wait on render ring
[ 2022.356682] [drm:i915_hangcheck_hung] *ERROR* Hangcheck timer elapsed... GPU
hung
[ 2022.356694] [drm:kick_ring] *ERROR* Kicking stuck wait on render ring
[ 2034.364670] Watchdog[4092]: segfault at 0 ip 00007f6de20a4b6e sp
00007f6dd1e0d3b0 error 6 in chrome[7f6de10de000+4a14000]
[ 2044.411042] Watchdog[17927]: segfault at 0 ip 00007f5a48acbb6e sp
00007f5a388343b0 error 6 in chrome[7f5a47b05000+4a14000]

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