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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW Regression] Null pointer deference in intel_mmio_flip_work_func"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92335">92335</a>
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<th>Summary</th>
<td>[HSW Regression] Null pointer deference in intel_mmio_flip_work_func
</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>x86-64 (AMD64)
</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>major
</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>
</tr>
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<th>Reporter</th>
<td>andreas.reis@gmail.com
</td>
</tr>
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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>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=118732" name="attach_118732" title="journalctl -b-1">attachment 118732</a> <a href="attachment.cgi?id=118732&action=edit" title="journalctl -b-1">[details]</a></span>
journalctl -b-1
HSW 4770, instant freezes for about a week now with drm-intel-nightly, so far
when ordinarily browsing with Chromium (full HW acceleration). No indication
what specifically causes it.
journalctl shows an earlier WARN_ON_ONCE(!ppgtt) as well, only since yesterday
so probably unrelated.</pre>
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