. Thread 2 (process 315): #0 0xb7fda410 in __kernel_vsyscall () #1 0xb726faa5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0x080bd4e0 in ?? () #3 0x0824cb70 in ?? () #4 0x0824cba8 in ?? () #5 0x00000000 in ?? () . Thread 1 (process 32759): #0 0xb7fc197d in nautilus_burn_drive_unlock () from /usr/lib/libnautilus-burn.so.4 #1 0x080a2741 in ?? () #2 0x00000000 in ?? ()