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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel driver crashes when undocking Lenovo T450s"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94250">94250</a>
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<th>Summary</th>
<td>Intel driver crashes when undocking Lenovo T450s
</td>
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<th>Product</th>
<td>xorg
</td>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
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<th>OS</th>
<td>Linux (All)
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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
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<th>Component</th>
<td>Driver/intel
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<th>Assignee</th>
<td>chris@chris-wilson.co.uk
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<th>Reporter</th>
<td>cs_gon@yahoo.com
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
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<pre>I'm using Ubuntu 14.04 since installing the Wily HWE stack, the X-Server began
crashing when undocking the notebook (Lenovo T450s).
I tried a newer driver (GIT snapshot up to commit
e41040fb55e84fc72612ae503944a99814a5c9d3 , 15th Feb. 2016), but the X-Server
still crashes. The stacktrace looks a bit different when using the GIT version,
but still seems to be in the same area in the code (SNA page flips). The
stackstace for the GIT version is in stacktrace_nodebug.txt.
I have also compiled the driver with --enable-debug, then the X-Server exits
due to an assertion (as seen in Xorg.0.log.debug). I'm also attaching the
stacktrace for this case (stacktrace_debug.txt).
The kernel is the Ubuntu Wily kernel (4.2.0-27-generic).</pre>
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