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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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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 --- - Weston 1.3.93 crashes when I'm shutting down a Wayland-EGL Qt5 client(assistant-qt5) on both X11 backend and DRM backend. The breakpoint is in wayland library."
href="https://bugs.freedesktop.org/show_bug.cgi?id=73871">73871</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>wayland-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>Weston 1.3.93 crashes when I'm shutting down a Wayland-EGL Qt5 client(assistant-qt5) on both X11 backend and DRM backend. The breakpoint is in wayland library.
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>icenowylin@gmail.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>wayland
</td>
</tr>
<tr>
<th>Product</th>
<td>Wayland
</td>
</tr></table>
<p>
<div>
<pre>My Qt version is 5.2.0, and qtwayland is the newest git version.
[11:24:54.078] caught signal: 11
[11:24:54.078] [000000000040824a] -- (weston)
[11:24:54.078] [00000000004082b7] -- (weston)
[11:24:54.078] [00007f07deffa7f0] -- (/lib/libpthread.so.0)
[11:24:54.078] [00007f07e002bc47] wl_list_remove
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07d60b834f] -- (/usr/lib/weston/desktop-shell.so)
[11:24:54.078] [00007f07e002729c] --
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e002785c] wl_resource_destroy
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [000000000040c254] weston_surface_destroy (weston)
[11:24:54.078] [00007f07e002729c] --
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e002bbf6] --
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e002c19e] wl_map_for_each
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e0027ab8] wl_client_destroy
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e0027c4f] --
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e0029dc3] wl_event_loop_dispatch
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.078] [00007f07e0028215] wl_display_run
(/usr/lib/../lib64/libwayland-server.so.0)
[11:24:54.079] [0000000000407b27] -- (weston)
[11:24:54.079] [00007f07dec5e9e5] __libc_start_main (/lib/libc.so.6)
[11:24:54.079] [0000000000407c89] -- (weston)
Trace/breakpoint trap(Core dumped)
While I am debugging the core,
#0 0x00007f07deffa6cb in raise (sig=5)
at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:38
#1 <signal handler called>
#2 0x00007f07e002bc47 in wl_list_remove (elm=elm@entry=0x13bb0c0)
at wayland-util.c:53
#3 0x00007f07d60b834f in destroy_shell_surface (shsurf=0x13bb060)
at shell.c:2916
#4 0x00007f07e002729c in destroy_resource (element=0x13118c0,
data=data@entry=0x0) at wayland-server.c:533
#5 0x00007f07e002785c in wl_resource_destroy (resource=<optimized out>)
at wayland-server.c:546
#6 0x000000000040c254 in wl_signal_emit (data=0x13bae70, signal=0x13bae78)
at /usr/include/wayland-server.h:260
#7 weston_surface_destroy (surface=0x13bae70) at compositor.c:1454
#8 weston_surface_destroy (surface=0x13bae70) at compositor.c:1446
#9 0x00007f07e002729c in destroy_resource (element=0x134aa90,
data=<optimized out>) at wayland-server.c:533
#10 0x00007f07e002bbf6 in for_each_helper (
func=func@entry=0x7f07e0027240 <destroy_resource>,
data=data@entry=0x7fff65dfe57c, entries=0x12dcc68, entries=0x12dcc68)
at wayland-util.c:353
#11 0x00007f07e002c19e in wl_map_for_each (map=map@entry=0x12dcc68,
func=func@entry=0x7f07e0027240 <destroy_resource>,
...
The code near wayland-utils.c : 53 :
WL_EXPORT void
wl_list_remove(struct wl_list *elm)
{
elm->prev->next = elm->next;
elm->next->prev = elm->prev;
elm->next = NULL;
elm->prev = NULL;
}</pre>
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