Comment 11 for bug 959874

Got the following on a MacBook Air 4,1
gnome-settings-daemon 3.3.92-0ubuntu2

---
gdb -d dev/gsd/gnome-settings-daemon-3.3.92/plugins/media-keys/ /usr/lib/gnome-settings-daemon/gnome-settings-daemon core

Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/lib/gnome-settings-daemon/gnome-settings-daemon...Reading symbols from /usr/lib/debug/usr/lib/gnome-settings-daemon/gnome-settings-daemon...done.
done.

warning: core file may not match specified executable file.
[New LWP 16476]
[New LWP 16497]
[New LWP 16478]
[New LWP 16480]

warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `gnome-settings-daemon --debug'.
Program terminated with signal 11, Segmentation fault.
#0 dialog_init (manager=0x15a7330) at gsd-media-keys-manager.c:409

warning: Source file is more recent than executable.
409 if (manager->priv->dialog != NULL
(gdb) bt
#0 dialog_init (manager=0x15a7330) at gsd-media-keys-manager.c:409
#1 0x00007f11ead56d07 in update_keyboard_cb (source_object=<optimized out>, res=<optimized out>, user_data=<optimized out>)
    at gsd-media-keys-manager.c:1873
#2 0x00007f120c43b97d in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#3 0x00007f120c499166 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4 0x00007f120c43b97d in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5 0x00007f120c48f1ea in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6 0x00007f120c43b97d in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#7 0x00007f120c43baac in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#8 0x00007f120becbd8a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9 0x00007f120becc150 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f120becc54a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f120c8bbd8d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#12 0x0000000000403801 in main (argc=1, argv=0x7fffdcb3f328) at main.c:464
(gdb)