<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - render ring hung"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75207">75207</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>render ring hung
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>lemody@gmail.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>git
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/DRI/i965
</td>
</tr>
<tr>
<th>Product</th>
<td>Mesa
</td>
</tr></table>
<p>
<div>
<pre>Rendering *very slow* with Metro game (or likely also other GL app) with Mesa
master, following message seen on console:
[drm:i915_hangcheck_elapsed] *ERROR* stuck on render ring
[drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0x20d86000 ctx
2) at 0x20d87398
bisected to
--- 8< ---
commit d92f593d8776ec157ad0e7fa2ee8c9a17fd744ce
Author: Eric Anholt <<a href="mailto:eric@anholt.net">eric@anholt.net</a>>
Date: Thu Feb 13 21:37:50 2014 -0800
i965/fs: Use conditional sends to do FB writes on HSW+.
This drops the MOVs for header setup, which are totally mis-scheduled.
--- 8< ---
commits before this change work fine.</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>