.
Thread 1 (process 5883):
#0  0x00002b149b735ed6 in ?? () from /usr/lib/libmetacity-private.so.0
#1  0x00002b149b736079 in meta_theme_get_frame_borders ()
   from /usr/lib/libmetacity-private.so.0
#2  0x0000000000406c2f in ?? ()
#3  0x000000000040bbaa in ?? ()
#4  0x00002b149ecaa8e4 in __libc_start_main () from /lib/libc.so.6
#5  0x00000000004060a9 in ?? ()
#6  0x00007fff10ce5898 in ?? ()
#7  0x0000000000000000 in ?? ()