The object at address 0x........ is not a mutex.
   at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:69)

Mutex not locked: mutex 0x........, recursion count 0, owner 0.
   at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:72)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:51)

Thread 3:
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........: rescue_me (tc23_bogus_condwait.c:20)
   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 (tc23_bogus_condwait.c:56)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:51)

Thread 1:
The object at address 0x........ is not a mutex.
   at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:75)
rwlock 0x........ was first observed at:
   at 0x........: pthread_rwlock_init (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:57)

Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner 2.
   at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:78)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:53)

Thread 3:
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........: rescue_me (tc23_bogus_condwait.c:24)
   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 (tc23_bogus_condwait.c:56)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:53)

The impossible happened: mutex 0x........ is locked simultaneously by two threads (recursion count 1, owners 2 and 1) !
Thread 2:
Mutex not locked by calling thread: mutex 0x........, recursion count 2, owner 1.
   at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
   by 0x........: grab_the_lock (tc23_bogus_condwait.c:42)
   by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
mutex 0x........ was first observed at:
   at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
   by 0x........: main (tc23_bogus_condwait.c:53)


ERROR SUMMARY: 9 errors from 7 contexts (suppressed: 0 from 0)