Comment 14 for bug 577482

Here is a backtrace of gtk-window-decorator when the decorations are missing:

(gdb) backtrace
#0 0x00922416 in __kernel_vsyscall ()
#1 0x0107edf6 in __poll (fds=0x1116ff4, nfds=6, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#2 0x00971a1b in g_poll () from /lib/libglib-2.0.so.0
#3 0x0096443c in ?? () from /lib/libglib-2.0.so.0
#4 0x00964ba7 in g_main_loop_run () from /lib/libglib-2.0.so.0
#5 0x004861d9 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#6 0x08055ccb in ?? ()
#7 0x00fd3ce7 in __libc_start_main (main=0x8055410, argc=2,
    ubp_av=0xbf9d27f4, init=0x8058620, fini=0x8058610,
    rtld_fini=0x347ac0 <_dl_fini>, stack_end=0xbf9d27ec) at libc-start.c:226
#8 0x0804cb01 in ?? ()