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  0xb7e0b651 in send () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0805b2cc in ?? () from /usr/lib/firefox/firefox-bin
#3  0x0000000b in ?? ()
#4  0xbfcaccc8 in ?? ()
#5  0x08057556 in nsProfileLock::FatalSignalHandler (signo=-1209995276)
    at nsProfileLock.cpp:195
	unblock_sigs = {__val = {3217738368, 3217738388, 3086724167, 
    3217738368, 3086796840, 6, 3074804808, 1, 0, 3084916012, 3085961152, 
    3086794740, 3086796496, 134515524, 3217738768, 3086739778, 3086796920, 
    3074804808, 1, 1, 0, 134518837, 89, 0, 134591520, 3084916012, 134591180, 
    3217738812, 11, 3217738792, 11, 4875}}
	oldact = (sigaction *) 0xb
Backtrace stopped: frame did not save the PC