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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK/SNB/IVB Bisected]I-G-T gem_seqno_wrap aborted"
href="https://bugs.freedesktop.org/show_bug.cgi?id=63533">63533</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>yangweix.shui@intel.com
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mika.kuoppala@intel.com
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ILK/SNB/IVB Bisected]I-G-T gem_seqno_wrap aborted
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=77969" name="attach_77969" title="dmesg">attachment 77969</a> <a href="attachment.cgi?id=77969&action=edit" title="dmesg">[details]</a></span>
dmesg
System Environment:
--------------------------
Arch: x86_64
Platform: ironlake/sandybridge/ivybridge
Kernel: (drm-intel-next-queued)4ab815b56a3886ac01a8e5d031dfa9733650df2d
Bug detailed description:
-------------------------
It aborted on ironlake/sandybridge/ivybridge with drm-intel-next-queued kernel.
It doesn't happen on drm-intel-fixes kernel.
Bisect shows:a7ca33b673ee90b0a93ffdb18449256798f67786 is the first bad commit.
commit a7ca33b673ee90b0a93ffdb18449256798f67786
Author: Mika Kuoppala <<a href="mailto:mika.kuoppala@linux.intel.com">mika.kuoppala@linux.intel.com</a>>
AuthorDate: Thu Apr 11 16:11:28 2013 +0300
Commit: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
CommitDate: Thu Apr 11 17:26:56 2013 +0200
tests/gem_seqno_wrap: verify debugfs write with readback
Make sure that debugfs entry works as expected by reading
back the sequence number that was written.
Signed-off-by: Mika Kuoppala <<a href="mailto:mika.kuoppala@intel.com">mika.kuoppala@intel.com</a>>
Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
# echo $?
134
output:
seqno readback differs rb:0x7ffffff vs w:0x7fffffff
gem_seqno_wrap: gem_seqno_wrap.c:504: preset_run_once: Assertion
`write_seqno(0x7fffffff) == 0' failed.
Aborted (core dumped)
Reproduce steps:
----------------
1. ./gem_seqno_wrap</pre>
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