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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - SIGSEGV in wl_list_insert during HDMI hotplug"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66529">66529</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>wayland-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>SIGSEGV in wl_list_insert during HDMI hotplug
</td>
</tr>
<tr>
<th>Severity</th>
<td>critical
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>ullysses.a.eoff@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Component</th>
<td>weston
</td>
</tr>
<tr>
<th>Product</th>
<td>Wayland
</td>
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<pre>Created <span class=""><a href="attachment.cgi?id=81920" name="attach_81920" title="gdb backtrace">attachment 81920</a> <a href="attachment.cgi?id=81920&action=edit" title="gdb backtrace">[details]</a></span>
gdb backtrace
Received SIGSEGV at weston_compositor_stack_plane()->wl_list_insert() in Weston
when hot-plugging HDMI display. See attached gdb backtrace and Weston output
log.
Steps
------
1. On laptop with LVDS and HDMI connector, ensure HDMI is unplugged.
2. Launch weston --backend=drm-backend.so
3. Hot-plug HDMI display
4. Hot-unplug HDMI display
5. Hot-plug HDMI display again.
6. Observe Weston SEGV
Software
--------
wayland (master) heads/master-0-g2e07587
fontconfig (master) heads/master-0-gcbf06d7
drm (master) libdrm-2.4.46-0-gc6d73cf
mesa (master) heads/master-0-g84f367e
libxkbcommon (master) heads/master-0-g6f06eb5
pixman (master) heads/master-0-g279bdcd
cairo (master) heads/master-0-g7b8fc77
weston (master) heads/master-0-gb08b329</pre>
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