.
Thread 1 (process 29987):
#0  0x00007fb1021d40d6 in g_logv () from /usr/lib/libglib-2.0.so.0
#1  0x00007fb1021d4463 in g_log () from /usr/lib/libglib-2.0.so.0
#2  0x00007fb1051bd9f2 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#3  0x00007fb1033ea5b4 in _XError () from /usr/lib/libX11.so.6
#4  0x00007fb1033f206b in _XReply () from /usr/lib/libX11.so.6
#5  0x00007fb1033cf246 in XGetWindowProperty () from /usr/lib/libX11.so.6
#6  0x0000000000412898 in ?? ()
#7  0x0000000000408c9f in ?? ()
#8  0x00007fb1051b150c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#9  0x00007fb1051b348d in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#10 0x00007fb1051b39ae in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#11 0x00007fb1021ca19a in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#12 0x00007fb1021cd870 in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x00007fb1021cdd3d in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#14 0x00007fb1059a8937 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x0000000000409387 in ?? ()
#16 0x0000000000407170 in ?? ()
#17 0x00007fb101c205a6 in __libc_start_main () from /lib/libc.so.6
#18 0x00000000004063e9 in ?? ()
#19 0x00007fff0e0bca28 in ?? ()
#20 0x000000000000001c in ?? ()
#21 0x0000000000000002 in ?? ()
#22 0x00007fff0e0bebc5 in ?? ()
#23 0x00007fff0e0bebcd in ?? ()
#24 0x0000000000000000 in ?? ()