[Bug 84781] [gen4] GPU hang in firefox on Google Chrome homepage (webgl)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84781

--- Comment #4 from pac12referee at gmail.com ---
Created attachment 107569
  --> https://bugs.freedesktop.org/attachment.cgi?id=107569&action=edit
/sys/class/drm/card0/error log #3

Error log after upgrading to 3.17.0-031700-generic.  dmesg output looks to be
the same.

$ dmesg -T | tail -8
[Wed Oct  8 09:29:36 2014] [drm] stuck on render ring
[Wed Oct  8 09:29:36 2014] [drm] GPU HANG: ecode 0:0x46e4fafe, in firefox
[2248], reason: Ring hung, action: reset
[Wed Oct  8 09:29:36 2014] [drm] GPU hangs can indicate a bug anywhere in the
entire gfx stack, including userspace.
[Wed Oct  8 09:29:36 2014] [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
[Wed Oct  8 09:29:36 2014] [drm] drm/i915 developers can then reassign to the
right component if it's not a kernel issue.
[Wed Oct  8 09:29:36 2014] [drm] The gpu crash dump is required to analyze gpu
hangs, so please always attach it.
[Wed Oct  8 09:29:36 2014] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
[Wed Oct  8 09:29:36 2014] [drm:i915_reset] *ERROR* Failed to reset chip: -19

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