#0  0xb7fb6410 in __kernel_vsyscall ()
#1  0xb723dd30 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb5ef4264 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so
#3  0x0000000b in ?? ()
#4  0xbff3fb9c in ?? ()
#5  0x00000000 in ?? ()