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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BYT]igt/gem_persistent_relocs/forked-interruptible-faulting-reloc-thrashing fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84859">84859</a>
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<th>Summary</th>
<td>[BYT]igt/gem_persistent_relocs/forked-interruptible-faulting-reloc-thrashing fails
</td>
</tr>
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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
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>huax.lu@intel.com
</td>
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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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<pre>Created <span class=""><a href="attachment.cgi?id=107648" name="attach_107648" title="dmesg">attachment 107648</a> <a href="attachment.cgi?id=107648&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: not sure, only reproduce on -nightly kernel.
==kernel==
--------------------------
drm-intel-nightly/ea4bec8e96ea8b33b49a7892c1c7f20041a56da6
==Bug detailed description==
It fails on BYT with drm-intel-nightly kernel. it pass on drm-intel-queued,
drm-intel-fixes, drm-fixes and drm-next kernel.
igt/gem_persistent_relocs/forked-interruptible-thrashing and
igt/gem_reloc_vs_gpu/forked-interruptible-faulting-reloc-thrashing also fail.
output:
IGT-Version: 1.8-g7f82289 (x86_64) (Linux:
3.17.0_drm-intel-nightly_ea4bec_20141009+ x86_64)
Test assertion failure function do_test, file gem_persistent_relocs.c:260:
Failed assertion: test == 0xdeadbeef
Last errno: 4, Interrupted system call
mismatch in buffer 0: 0x00000000 instead of 0xdeadbeef at offset 256
child 3 failed with exit status 99
Subtest forked-interruptible-faulting-reloc-thrashing: FAIL (451.180s)
==Reproduce steps==
----------------------------
1. ./gem_persistent_relocs --run-subtest
forked-interruptible-faulting-reloc-thrashing</pre>
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