#0  0xf7958540 in pthread_mutex_lock () from /lib32/libpthread.so.0
#1  0xf6d84168 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#2  0xf5b65024 in ?? ()
#3  0xf72d7de8 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#4  0xffb7b5d8 in ?? ()
#5  0xf72d7de8 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#6  0xf73184a0 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#7  0x0000003d in ?? ()
#8  0xffb7b608 in ?? ()
#9  0xf6ddb582 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)