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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [3.16] GPU HANG: ecode 0:0x85fffff8, in chrome [3338], reason: Ring hung, action: reset"
href="https://bugs.freedesktop.org/show_bug.cgi?id=86405">86405</a>
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<th>Summary</th>
<td>[3.16] GPU HANG: ecode 0:0x85fffff8, in chrome [3338], reason: Ring hung, action: reset
</td>
</tr>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>major
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>mathias.bogaert@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=109636" name="attach_109636" title="gpu crash dump">attachment 109636</a> <a href="attachment.cgi?id=109636&action=edit" title="gpu crash dump">[details]</a></span>
gpu crash dump
In dmesg:
[103115.648697] [drm] stuck on render ring
[103115.649344] [drm] GPU HANG: ecode 0:0x85fffff8, in chrome [3338], reason:
Ring hung, action: reset
[103115.649346] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[103115.649346] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[103115.649347] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[103115.649347] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[103115.649348] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[103117.649858] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
~ ❯❯❯ uname -a
Linux aoba 3.16.0-24-generic #32-Ubuntu SMP Tue Oct 28 13:07:32 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
Found this in dmesg as well:
[45315.265221] [drm] Wrong MCH_SSKPD value: 0x16040307
[45315.265222] [drm] This can cause pipe underruns and display issues.
[45315.265222] [drm] Please upgrade your BIOS to fix this.
[45317.161633] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
but not sure if it's related.</pre>
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