--- stack trace ---
 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  0xb7dd5651 in raise () from /lib/tls/i686/cmov/libpthread.so.0
 #2  0x080577f6 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  0xb7dd0404 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
 #5  0xaed70858 in NP_Shutdown ()
    from /var/cache/flashplugin-nonfree/libflashplayer.so
 #6  0xaedbd982 in NP_Shutdown ()
    from /var/cache/flashplugin-nonfree/libflashplayer.so
 #7  0xaec78a8d in NP_Shutdown ()
    from /var/cache/flashplugin-nonfree/libflashplayer.so
 #8  0xaebdb138 in Flash_EnforceLocalSecurity ()
    from /var/cache/flashplugin-nonfree/libflashplayer.so
 #9  0xaebd7020 in ?? () from /var/cache/flashplugin-nonfree/libflashplayer.so
 #10 0xaf2226c0 in ?? () from /var/cache/flashplugin-nonfree/libflashplayer.so
 #11 0xaf22212c in ?? () from /var/cache/flashplugin-nonfree/libflashplayer.so
 #12 0xbfd22b78 in ?? ()
 #13 0xaf17d6da in ?? () from /var/cache/flashplugin-nonfree/libflashplayer.so
 #14 0xaf17d6c4 in NP_Shutdown ()
    from /var/cache/flashplugin-nonfree/libflashplayer.so
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libpthread.so.0
 nsProfileLock::FatalSignalHandler (signo=11)
 
 pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
--- end of stack trace ---