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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>medium
          </td>
        </tr>

        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [HSW]igt/gem_seqno_wrap randomly aborted"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=65387">65387</a>
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>yangweix.shui@intel.com
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[HSW]igt/gem_seqno_wrap randomly aborted
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </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=80319" name="attach_80319" title="dmesg">attachment 80319</a> <a href="attachment.cgi?id=80319&action=edit" title="dmesg">[details]</a></span>
dmesg

System Environment:
--------------------------
Arch:           x86_64
Platform:       Haswell
Kernel:     (drm-intel-next-queued)d7697eea3eec74c561d12887d892c53ac4380c00

Bug detailed description:
-------------------------
It randomly aborted on haswell with drm-intel-next-queued kernel.It happens 1
in 5 runs. It doesn't happens on drm-intel-fixes kernel. I run it 10 cycles on
IVB, It works well.

output:
gem_seqno_wrap: gem_seqno_wrap.c:501: preset_run_once: Assertion
`write_seqno(1) == 0' failed.
Aborted (core dumped)

Reproduce steps:
----------------
1. ./gem_seqno_wrap</pre>
        </div>
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