[Bug 75394] System hangs randomly with error message: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... render ring idle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75394

--- Comment #37 from Chris <cpollock at embarqmail.com> ---
I just had another 'lockup' after about 11 days with the same error message -
Feb 13 19:05:22 localhost kernel: [807775.808019] [drm:i915_hangcheck_elapsed]
*ERROR* Hangcheck timer elapsed... render ring idle as has been the norm lately
I see a black screen with a movable mouse cursor. CTRL-ALT-F1 will not take to
to a log-in screen. I have to manually shut down the system with the power
button. Doesn't anyone have an idea as to what to do to troubleshoot this
problem? This is on my Ubuntu 14.04.1 LTS system running kernel
3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64
x86_64 GNU/Linux. I still would like to know what info is needed as per the
status on this report.

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