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[BigglesPiP <abdawson@xxxxxxxxx>]

Oops

alandaws@ABD-W510 ~ $ env DISPLAY=:0 gdb /usr/bin/gtk-window-decorator 
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04
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 "i686-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/bin/gtk-window-decorator...(no debugging symbols found)...done.
(gdb) break exit
Function "exit" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (exit) pending.
(gdb) run --sync --replace
Starting program: /usr/bin/gtk-window-decorator --sync --replace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[New Thread 0xb6cbab40 (LWP 3541)]
[New Thread 0xb62ffb40 (LWP 3542)]
The program 'gtk-window-decorator' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadWindow (invalid Window parameter)'.
  (Details: serial 10060 error_code 3 request_code 20 minor_code 0)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the --sync command line
   option to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

Breakpoint 1, 0xb747ffc0 in exit () from /lib/i386-linux-gnu/libc.so.6
(gdb) bt
#0  0xb747ffc0 in exit () from /lib/i386-linux-gnu/libc.so.6
#1  0xb7983c40 in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#2  0xb7eb3acb in _XError () from /usr/lib/i386-linux-gnu/libX11.so.6
#3  0xb7eb089d in ?? () from /usr/lib/i386-linux-gnu/libX11.so.6
#4  0xb7eb1897 in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6
#5  0xb7e96b1d in XGetWindowProperty () from /usr/lib/i386-linux-gnu/libX11.so.6
#6  0x0805daff in get_frame_type ()
#7  0x0805a9bc in event_filter_func ()
#8  0xb79797ae in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#9  0xb797b67b in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#10 0xb797b72d in ?? () from /usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#11 0xb76bdd86 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#12 0xb76be125 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#13 0xb76be56b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#14 0xb7b08b8f in gtk_main () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#15 0x08050276 in main ()

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https://bugs.launchpad.net/bugs/991552

Title:
  gtk-window-decorator crashes frequently

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