Comment 36 for bug 991552

Here's a backtrace:

#0 0x00007fdd843d9990 in exit () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007fdd85fa875e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#2 0x00007fdd86ab036f in _XError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#3 0x00007fdd86aad311 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#4 0x00007fdd86aae297 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#5 0x00007fdd86a93ec4 in XGetWindowProperty ()
   from /usr/lib/x86_64-linux-gnu/libX11.so.6
#6 0x0000000000416ff5 in get_frame_type ()
#7 0x0000000000414478 in event_filter_func ()
#8 0x00007fdd85f9ee26 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#9 0x00007fdd85fa0bd6 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#10 0x00007fdd85fa0c7e in ?? ()
   from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0
#11 0x00007fdd84ef3d53 in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fdd84ef40a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fdd84ef449a in g_main_loop_run ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fdd8632b2f7 in gtk_main ()
   from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
#15 0x000000000040ad50 in main ()

Do I need some dbg packages to make this more useful?