--- stack trace ---
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7df2651 in ?? ()
#2  0x0805c154 in _DYNAMIC ()
#3  0x0000000b in ?? ()
#4  0xbff67518 in ?? ()
#5  0x080583b6 in nsProfileLock::LockWithFcntl (this=0xb, 
    lockFilePath=@0xbff6748c)
    at ../../../dist/include/string/nsTPromiseFlatString.h:127
	rv = <value optimized out>
#6  0x080583b6 in nsProfileLock::LockWithFcntl (this=0xb, lockFilePath=@0x33)
    at ../../../dist/include/string/nsTPromiseFlatString.h:127
	rv = <value optimized out>
#7  <signal handler called>
#8  0xb5508352 in ?? ()
#9  0x083e0e78 in ?? ()
#10 0x08aba6ec in ?? ()
#11 0x082fc890 in ?? ()
#12 0xbff67834 in ?? ()
#13 0x080cdce0 in ?? ()
#14 0xbff67834 in ?? ()
#15 0xbff67838 in ?? ()
#16 0xb67f6a00 in ?? ()
#17 0x08aba6e8 in ?? ()
#18 0xbff67848 in ?? ()
#19 0xb553428a in ?? ()
#20 0x08389584 in ?? ()
#21 0x80000000 in ?? ()
#22 0x00000000 in ?? ()
--- end of stack trace ---
.