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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT/BSW]igt/gem_userptr_blits/dmabuf-sync Bus error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=85354">85354</a>
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<th>Summary</th>
<td>[BYT/BSW]igt/gem_userptr_blits/dmabuf-sync Bus error
</td>
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<th>Product</th>
<td>DRI
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (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>
</tr>
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<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=108277" name="attach_108277" title="dmesg">attachment 108277</a> <a href="attachment.cgi?id=108277&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure
Non-working platforms: BYT BSW
==kernel==
--------------------------
drm-intel-nightly/77683b77aa4da6e1788838dad2d2a15b0dfc290b
==Bug detailed description==
-----------------------------
gem_userptr_blits subcases dmabuf-sync and dmabuf-unsync causes bus error.
output:
IGT-Version: 1.8-gbba1cd0 (x86_64) (Linux:
3.18.0-rc1_drm-intel-nightly_77683b_20141023+ x86_64)
Aperture size is 2048 MiB
Total RAM is 3837 MiB
Testing unsynchronized mappings...
Testing synchronized mappings...
Bus error (core dumped)
==Reproduce steps==
----------------------------
1. ./gem_userptr_blits --run-subtest dmabuf-sync</pre>
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