#0  0xf797d540 in pthread_mutex_lock () from /lib32/libpthread.so.0
#1  0xf6d9fb08 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#2  0xf5b82024 in ?? ()
#3  0xf72f5e20 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#4  0xffe38c68 in ?? ()
#5  0xf72f5e20 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#6  0xf73363e0 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
#7  0x0000003d in ?? ()
#8  0xffe38c98 in ?? ()
#9  0xf6df6592 in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so
Backtrace stopped: previous frame identical to this frame (corrupt stack?)