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<base href="https://bugs.freedesktop.org/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW]igt/gem_ring_sync_loop causes GPU hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89060">89060</a>
</td>
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<tr>
<th>Summary</th>
<td>[BSW]igt/gem_ring_sync_loop causes GPU hang
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>medium
</td>
</tr>
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<th>Component</th>
<td>DRM/Intel
</td>
</tr>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=113305" name="attach_113305" title="dmesg">attachment 113305</a> <a href="attachment.cgi?id=113305&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
no-working platforms: BSW
==kernel==
--------------------------
drm-intel-next-queued 21076372afe711072b9a447f22a098691dd0b2cb
==Bug detailed description==
-----------------------------
It causes GPU hang on BSW with drm-intel-next-queued kernel. On the
drm-intel-nightly kernel, it has <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW PPGTT]igt/gem_ring_sync_loop causes system hang"
href="show_bug.cgi?id=88987">bug 88987</a>, when bisect <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BSW PPGTT]igt/gem_ring_sync_loop causes system hang"
href="show_bug.cgi?id=88987">bug 88987</a>, catch this
issue.
output:
IGT-Version: 1.9-gbef692d (x86_64) (Linux: 3.19.0-rc5_kcloud_210763_20150209+
x86_64)
^C^C^C^C^C^C^C^C^C^C^C^C
real 12m41.468s
user 0m0.009s
sys 0m0.032s
==Reproduce steps==
----------------------------
1. ./gem_ring_sync_loop</pre>
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