--- stack trace ---
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb7d394f1 in raise () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x08057836 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  0xb7d33460 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xadcc950a in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#6  0xad957e6d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#7  0xb7d3131b in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0xb770057e in clone () from /lib/tls/i686/cmov/libc.so.6
--- end of stack trace ---