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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 --- - SIGSEGV: ALT-TAB crashes Weston in surface_free_unused_subsurface_views(...)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=72610">72610</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>wayland-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>SIGSEGV: ALT-TAB crashes Weston in surface_free_unused_subsurface_views(...)
</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>
<tr>
<th>Component</th>
<td>weston
</td>
</tr>
<tr>
<th>Product</th>
<td>Wayland
</td>
</tr></table>
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<div>
<pre>Created <span class=""><a href="attachment.cgi?id=90620" name="attach_90620" title="Weston segfault gdb backtrace">attachment 90620</a> <a href="attachment.cgi?id=90620&action=edit" title="Weston segfault gdb backtrace">[details]</a></span>
Weston segfault gdb backtrace
While running the weston-nested demo client (with eglSwapInterval 0), using
<ALT>+<TAB> causes Weston to crash with the following output:
[10:43:27.548] caught signal: 11
[10:43:27.548] [000000000040f55f] -- (weston)
[10:43:27.548] [000000000040f60b] -- (weston)
[10:43:27.548] [0000003a9200efa0] -- (/lib64/libpthread.so.0)
[10:43:27.548] [00007fa361fcc9d4] wl_list_remove
(/home/uartie/Work/wayland/install/lib/libwayland-server.so.0)
[10:43:27.548] [000000000040a811] weston_view_destroy (weston)
[10:43:27.548] [000000000040b3f1] -- (weston)
[10:43:27.548] [000000000040b8af] -- (weston)
[10:43:27.548] [000000000040a801] weston_view_destroy (weston)
[10:43:27.548] [00007fa35fe4de77] --
(/home/uartie/Work/wayland/install/lib/weston/desktop-shell.so)
[10:43:27.548] [00007fa35fe4e05b] --
(/home/uartie/Work/wayland/install/lib/weston/desktop-shell.so)
[10:43:27.549] [00000000004129c4] notify_modifiers (weston)
[10:43:27.549] [0000000000412a40] -- (weston)
[10:43:27.549] [0000000000413069] notify_key (weston)
[10:43:27.549] [00007fa361d8a1d8] --
(/home/uartie/Work/wayland/install/lib/weston/drm-backend.so)
[10:43:27.549] [00007fa361d8a714] --
(/home/uartie/Work/wayland/install/lib/weston/drm-backend.so)
[10:43:27.549] [00007fa361d8a82b] --
(/home/uartie/Work/wayland/install/lib/weston/drm-backend.so)
[10:43:27.549] [00007fa361d8a9b6] --
(/home/uartie/Work/wayland/install/lib/weston/drm-backend.so)
[10:43:27.549] [00007fa361fc92d8] --
(/home/uartie/Work/wayland/install/lib/libwayland-server.so.0)
[10:43:27.549] [00007fa361fc9c89] wl_event_loop_dispatch
(/home/uartie/Work/wayland/install/lib/libwayland-server.so.0)
[10:43:27.549] [000000000040bb19] -- (weston)
[10:43:27.549] [000000000040bcd6] weston_output_finish_frame (weston)
[10:43:27.549] [00007fa361d83b49] --
(/home/uartie/Work/wayland/install/lib/weston/drm-backend.so)
[10:43:27.549] [00007fa36130a1c4] drmHandleEvent
(/home/uartie/Work/wayland/install/lib/libdrm.so.2)
[10:43:27.549] [00007fa361d84fc2] --
(/home/uartie/Work/wayland/install/lib/weston/drm-backend.so)
[10:43:27.549] [00007fa361fc92d8] --
(/home/uartie/Work/wayland/install/lib/libwayland-server.so.0)
[10:43:27.549] [00007fa361fc9c89] wl_event_loop_dispatch
(/home/uartie/Work/wayland/install/lib/libwayland-server.so.0)
[10:43:27.549] [00007fa361fc7acd] wl_display_run
(/home/uartie/Work/wayland/install/lib/libwayland-server.so.0)
[10:43:27.549] [00000000004100b2] -- (weston)
[10:43:27.549] [0000003a91821b75] __libc_start_main (/lib64/libc.so.6)
[10:43:27.549] [0000000000406f89] -- (weston)
Trace/breakpoint trap
See the attached gdb backtrace for more details.</pre>
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