[Bug 91048] New: GPU ERROR - Screen goes black (Render Ring) while web surfing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91048

            Bug ID: 91048
           Summary: GPU ERROR - Screen goes black (Render Ring) while web
                    surfing
           Product: DRI
           Version: XOrg git
          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: tjmcwiz at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

The screen went black while surfing the web and produced the following in the
syslog. The dump referred in the messages is zero bytes in length.  



Jun 21 12:03:48 HAL9000 kernel: [  423.808046] [drm] stuck on render ring
Jun 21 12:03:48 HAL9000 kernel: [  423.808055] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Jun 21 12:03:48 HAL9000 kernel: [  423.808057] [drm] GPU hangs can indicate a
bug anywhere in the entire gfx stack, including userspace.
Jun 21 12:03:48 HAL9000 kernel: [  423.808059] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Jun 21 12:03:48 HAL9000 kernel: [  423.808060] [drm] drm/i915 developers can
then reassign to the right component if it's not a kernel issue.
Jun 21 12:03:48 HAL9000 kernel: [  423.808062] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Jun 21 12:03:48 HAL9000 kernel: [  423.809400] [drm:i915_set_reset_status]
*ERROR* render ring hung inside bo (0xac16000 ctx 0) at 0xac17504
Jun 21 12:03:49 HAL9000 kernel: [  424.320081] [drm:i915_reset] *ERROR* Failed
to reset chip.
Jun 21 12:03:58 HAL9000 kernel: [  433.808072] [drm:i915_gem_wait_for_error]
*ERROR* Timed out waiting for the gpu reset to complete
Jun 21 12:03:58 HAL9000 kernel: [  433.812082] [drm:i915_gem_wait_for_error]
*ERROR* Timed out waiting for the gpu reset to complete
Jun 21 12:03:58 HAL9000 kernel: [  433.870614] [drm] GMBUS [i915 gmbus vga]
timed out, falling back to bit banging on pin 2
Jun 21 12:03:58 HAL9000 kernel: [  433.895483] ------------[ cut here
]-----------

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