#0  0xb7fc7410 in __kernel_vsyscall ()
#1  0xb7fa7d30 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb716f264 in ?? () from /usr/lib/xulrunner-1.9b5/libxul.so
#3  0x0000000b in ?? ()
#4  0xbfc1afdc in ?? ()
#5  0x00000000 in ?? ()