[Bug 70151] [snb blorp] GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70151

--- Comment #26 from Mike Russo <greatquux at gmail.com> ---
I just re-installed oibaf's PPA and reproduced a GPU hang in Google Maps.  It
didn't crash the first time, but I know that if I continue scrolling in Google
Maps it will bring down the whole system.  However here's the message from
syslog and the associated i915_error_state file will be attached.

Nov  6 07:08:37 hawty kernel: [250620.035165] [drm:i915_hangcheck_elapsed]
*ERROR* stuck on render ring
Nov  6 07:08:37 hawty kernel: [250620.035173] [drm] capturing error event; look
for more information in /sys/kernel/debug/dri/0/i915_error_state
Nov  6 07:08:37 hawty kernel: [250620.038100] [drm:i915_set_reset_status]
*ERROR* render ring hung inside bo (0xe1e3000 ctx 3) at 0xe1e4ee0
Nov  6 07:08:37 hawty kernel: [250620.223203] [drm:__gen6_gt_force_wake_get]
*ERROR* Timed out waiting for forcewake old ack to clear.
Nov  6 07:08:45 hawty kernel: [250627.992511] [drm:i915_hangcheck_elapsed]
*ERROR* stuck on render ring
Nov  6 07:08:45 hawty kernel: [250627.992561] [drm:i915_set_reset_status]
*ERROR* render ring hung inside bo (0xe948000 ctx 3) at 0xe948338

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