#0  0xb7faa460 in pthread_mutex_lock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#1  0xb74552e4 in ?? () from /usr/lib/libcairo.so.2
#2  0x000000ec in ?? ()
#3  0x09918330 in ?? ()
#4  0xbfb69128 in ?? ()
#5  0xb7464258 in cairo_ft_font_face_create_for_pattern ()
   from /usr/lib/libcairo.so.2
#6  0xb74558fd in cairo_scaled_font_text_extents ()
   from /usr/lib/libcairo.so.2
#7  0xb754d5a0 in ?? () from /usr/lib/libpangocairo-1.0.so.0
#8  0x00000000 in ?? ()