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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [gen4] GPU hang in firefox on Google Chrome homepage (webgl)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84781#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [gen4] GPU hang in firefox on Google Chrome homepage (webgl)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84781">bug 84781</a>
from <span class="vcard"><a class="email" href="mailto:pac12referee@gmail.com" title="pac12referee@gmail.com">pac12referee@gmail.com</a>
</span></b>
<pre>I updated the kernel to 3.16.0-031600-generic, and it failed again, however
recovered and Cinnamon went into fallback mode. Although, when I tried to
restart Cinnamon, it kept going into fallback mode.
Will upload latest /sys/class/drm/card0/error.
$ dmesg -T | tail -8
[Wed Oct 8 09:04:27 2014] [drm] stuck on render ring
[Wed Oct 8 09:04:27 2014] [drm] GPU HANG: ecode 0:0x46e4fafe, in firefox
[2289], reason: Ring hung, action: reset
[Wed Oct 8 09:04:27 2014] [drm] GPU hangs can indicate a bug anywhere in the
entire gfx stack, including userspace.
[Wed Oct 8 09:04:27 2014] [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
[Wed Oct 8 09:04:27 2014] [drm] drm/i915 developers can then reassign to the
right component if it's not a kernel issue.
[Wed Oct 8 09:04:27 2014] [drm] The gpu crash dump is required to analyze gpu
hangs, so please always attach it.
[Wed Oct 8 09:04:27 2014] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
[Wed Oct 8 09:04:27 2014] [drm:i915_reset] *ERROR* Failed to reset chip: -19</pre>
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