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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT bisected]igt/gem_reloc_vs_gpu/forked-thrashing-hang cause system hang."
href="https://bugs.freedesktop.org/show_bug.cgi?id=88908">88908</a>
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<th>Summary</th>
<td>[BYT bisected]igt/gem_reloc_vs_gpu/forked-thrashing-hang cause system hang.
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>DRI git
</td>
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<th>Hardware</th>
<td>Other
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>hengx.ding@intel.com
</td>
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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>
<p>
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<pre>Created <span class=""><a href="attachment.cgi?id=113031" name="attach_113031" title="dmesg after run forked-thrashing-hang">attachment 113031</a> <a href="attachment.cgi?id=113031&action=edit" title="dmesg after run forked-thrashing-hang">[details]</a></span>
dmesg after run forked-thrashing-hang
==System Environment==
--------------------------
Regression: Yes.
Non-working platforms: BYT
==kernel==
--------------------------
drm-intel-nightly/8b4216f91c7bf8d3459cadf9480116220bd6545e(2015-02-02)
==Bug detailed description==
-----------------------------
System hang a while after running this case, I can see alot of abnormal output
in dmesg before it hang.
igt/gem_reloc_vs_gpu/forked-faulting-reloc-thrashing-hang
igt/gem_reloc_vs_gpu/forked-faulting-reloc-thrash-inactive-hang
igt/gem_reloc_vs_gpu/forked-thrash-inactive-hang
igt/gem_reloc_vs_gpu/forked-thrashing-hang
[root@x-bdw01 tests]# time ./gem_reloc_vs_gpu --run-subtest
forked-faulting-reloc-thrash-inactive-hang
IGT-Version: 1.9-g3214a27 (x86_64) (Linux:
3.19.0-rc4_drm-intel-nightly_95cce4_20150115+ x86_64)
^C^
==Reproduce steps==
----------------------------
1. ./gem_reloc_vs_gpu --run-subtest forked-faulting-reloc-thrash-inactive-hang</pre>
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