[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 #81 from Chris <cpollock at embarqmail.com> ---
On 9/28/2015 at 15:54:11 the video froze on my system while opening a new tab
with Firefox 41.0. At the time of the freeze I was running kernel
3.19.0-28-generic #30~14.04.1-Ubuntu SMP Tue Sep 1 09:32:55 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux as advised by Christopher M. Penalver as related to
Ubuntu bug 1497627 which I initiated on 9/19/2015 and have since updated via an
update to kernel 3.19.0-30-generic #33~14.04.1-Ubuntu SMP Tue Sep 22 09:27:00
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux. The cursor would still move but
nothing clicked on will open nor can I change to a different window. This came
after an uptime of 6d20h6m. I've attached a link http://pastebin.com/nZjp11Zh
to the syslog for that time period which shows that until the time I rebooted
after the freeze that background operations were still working. The 2nd boot
today was into the new 3.19-30 kernel.

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