#0  0xb7639a64 in g_type_check_instance_is_a ()
   from /usr/lib/libgobject-2.0.so.0
#1  0xb5b1df3c in ?? () from /usr/lib/gtk-2.0/2.10.0/engines/libredmond95.so
#2  0x00ca850f in ?? ()
#3  0x081e8138 in ?? ()
#4  0xb7552df0 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xbffcf718 in ?? ()
#6  0xb5b20820 in ?? () from /usr/lib/gtk-2.0/2.10.0/engines/libredmond95.so
#7  0xb7552a0c in __pthread_mutex_unlock_usercnt ()
   from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb5b1e77a in ?? () from /usr/lib/gtk-2.0/2.10.0/engines/libredmond95.so
#9  0x00ca850f in ?? ()
#10 0xb5b1f4f9 in ?? () from /usr/lib/gtk-2.0/2.10.0/engines/libredmond95.so
#11 0x4008ff00 in ?? ()
#12 0xb78bd2a8 in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#13 0x00000000 in ?? ()