. Thread 1 (process 5302): #0 0xb7f8f4e7 in ?? () from /usr/lib/libgksu2.so.0 #1 0xb77bc7fc in __pthread_mutex_unlock_usercnt () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7f933b2 in ?? () from /usr/lib/libgksu2.so.0 #3 0x00000000 in ?? ()