Starting program: /usr/local/bin/rage_thumb tracepoints  /home/dcroche/test_rage/BSD_is_Dying_640x480.mp4 /home/dcroche/test_rage/BSD_thumb.mp4
warning: Unable to get location for thread creation breakpoint: generic error
[New LWP 100103]
[New Thread 0x8055000 (LWP 100103)]
Fatal error 'Recurse on a private mutex.' at line 986 in file /usr/src/lib/libpthread/thread/thr_mutex.c (errno = 2)
[New Thread 0x8055200 (LWP 100132)]

Program received signal SIGABRT, Aborted.
[Switching to Thread 0x8055200 (LWP 100132)]
0x287125b7 in pthread_testcancel () from /lib/libpthread.so.2
(gdb) bt
#0  0x287125b7 in pthread_testcancel () from /lib/libpthread.so.2
#1  0x286ffc01 in sigaction () from /lib/libpthread.so.2
#2  0x286ffeed in sigaction () from /lib/libpthread.so.2
#3  0x287006cc in sigaction () from /lib/libpthread.so.2
#4  0x28700878 in sigaction () from /lib/libpthread.so.2
#5  0x2870aec8 in pthread_mutexattr_init () from /lib/libpthread.so.2
#6  0x2871d450 in ?? ()