.
Thread 2 (process 11024):
#0  0xb7f82410 in __kernel_vsyscall ()
#1  0xb7d5e6bc in __lll_unlock_wake () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7d5ae0a in _L_unlock_194 () from /lib/tls/i686/cmov/libpthread.so.0
#3  0xb7d5aafe in __pthread_mutex_unlock_usercnt () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7e09bd0 in IA__g_async_queue_unlock (queue=0x0) at /build/buildd/glib2.0-2.15.3/glib/gasyncqueue.c:207
	__PRETTY_FUNCTION__ = "IA__g_async_queue_unlock"
#5  0x0804e2ed in ?? ()
#6  0x08069a00 in ?? ()
#7  0x0806b058 in ?? ()
#8  0x00000000 in ?? ()
.
Thread 1 (process 11028):
#0  0xb7db4dca in cddap_init_drive (d=0x806fb40) at cddap_interface.c:394
	ret = <value optimized out>
#1  0xb7db575d in cdio_cddap_open (d=0x806fb40) at interface.c:101
	ret = 0
#2  0x0804d9c1 in ?? ()
#3  0x0806fb40 in ?? ()
#4  0x00000000 in ?? ()