Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
Core was generated by `/usr/lib/firefox/firefox-bin'.
Program terminated with signal 11, Segmentation fault.
#0  0xffffe410 in __kernel_vsyscall ()
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7d4d651 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08057556 in nsProfileLock::FatalSignalHandler (signo=11)
    at nsProfileLock.cpp:206
	unblock_sigs = {__val = {1024, 0 <repeats 31 times>}}
	oldact = <value optimized out>
#3  <signal handler called>
#4  0xb76ed14b in fputc () from /lib/tls/i686/cmov/libc.so.6
#5  0xb184112c in ?? ()
#6  0x00000020 in ?? ()
#7  0x00010c6f in ?? ()
#8  0xabfca048 in ?? ()
#9  0xabfcaef8 in ?? ()
#10 0xb77c1144 in main_arena () from /lib/tls/i686/cmov/libc.so.6
#11 0xabfc9f09 in ?? ()
#12 0xabfca0f0 in ?? ()
#13 0xabfcbb8c in ?? ()
#14 0xb53a33f5 in __ns_name_compress () from /lib/tls/i686/cmov/libresolv.so.2
#15 0xb184250c in ?? ()
#16 0x00010c6f in ?? ()
#17 0xb76ed140 in fileno_unlocked () from /lib/tls/i686/cmov/libc.so.6
#18 0xb1845bb5 in ?? ()
#19 0x00010c6f in ?? ()
#20 0xb188021c in ?? ()
#21 0x00000000 in ?? ()