Thread 2:
Probably a race condition: condition variable 0x........ has been signaled but the associated mutex 0x........ is not locked by the signalling thread.
   at 0x........: pthread_cond_signal (drd_pthread_intercepts.c:?)
   by 0x........: thread_func (pth_cond_race.c:?)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
cond 0x........ was first observed at:
   at 0x........: pthread_cond_init (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_cond_race.c:?)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_cond_race.c:?)


ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)