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      1 
      2 The object at address 0x........ is not a mutex.
      3    at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
      4    by 0x........: main (tc23_bogus_condwait.c:69)
      5 
      6 Thread 3:
      7 Probably a race condition: condition variable 0x........ has been signaled but the associated mutex 0x........ is not locked by the signalling thread.
      8    at 0x........: pthread_cond_signal (drd_pthread_intercepts.c:?)
      9    by 0x........: rescue_me (tc23_bogus_condwait.c:20)
     10    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
     11 cond 0x........ was first observed at:
     12    at 0x........: pthread_cond_init (drd_pthread_intercepts.c:?)
     13    by 0x........: main (tc23_bogus_condwait.c:56)
     14 
     15 Thread 1:
     16 Mutex not locked: mutex 0x........, recursion count 0, owner 0.
     17    at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
     18    by 0x........: main (tc23_bogus_condwait.c:72)
     19 mutex 0x........ was first observed at:
     20    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
     21    by 0x........: main (tc23_bogus_condwait.c:51)
     22 
     23 Thread 3:
     24 Probably a race condition: condition variable 0x........ has been signaled but the associated mutex 0x........ is not locked by the signalling thread.
     25    at 0x........: pthread_cond_signal (drd_pthread_intercepts.c:?)
     26    by 0x........: rescue_me (tc23_bogus_condwait.c:24)
     27    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
     28 cond 0x........ was first observed at:
     29    at 0x........: pthread_cond_init (drd_pthread_intercepts.c:?)
     30    by 0x........: main (tc23_bogus_condwait.c:56)
     31 mutex 0x........ was first observed at:
     32    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
     33    by 0x........: main (tc23_bogus_condwait.c:51)
     34 
     35 Thread 1:
     36 The object at address 0x........ is not a mutex.
     37    at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
     38    by 0x........: main (tc23_bogus_condwait.c:75)
     39 rwlock 0x........ was first observed at:
     40    at 0x........: pthread_rwlock_init (drd_pthread_intercepts.c:?)
     41    by 0x........: main (tc23_bogus_condwait.c:57)
     42 
     43 Thread 3:
     44 Probably a race condition: condition variable 0x........ has been signaled but the associated mutex 0x........ is not locked by the signalling thread.
     45    at 0x........: pthread_cond_signal (drd_pthread_intercepts.c:?)
     46    by 0x........: rescue_me (tc23_bogus_condwait.c:28)
     47    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
     48 cond 0x........ was first observed at:
     49    at 0x........: pthread_cond_init (drd_pthread_intercepts.c:?)
     50    by 0x........: main (tc23_bogus_condwait.c:56)
     51 rwlock 0x........ was first observed at:
     52    at 0x........: pthread_rwlock_init (drd_pthread_intercepts.c:?)
     53    by 0x........: main (tc23_bogus_condwait.c:57)
     54 
     55 Thread 1:
     56 Mutex not locked by calling thread: mutex 0x........, recursion count 1, owner 2.
     57    at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
     58    by 0x........: main (tc23_bogus_condwait.c:78)
     59 mutex 0x........ was first observed at:
     60    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
     61    by 0x........: main (tc23_bogus_condwait.c:53)
     62 
     63 Thread 3:
     64 Probably a race condition: condition variable 0x........ has been signaled but the associated mutex 0x........ is not locked by the signalling thread.
     65    at 0x........: pthread_cond_signal (drd_pthread_intercepts.c:?)
     66    by 0x........: rescue_me (tc23_bogus_condwait.c:32)
     67    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
     68 cond 0x........ was first observed at:
     69    at 0x........: pthread_cond_init (drd_pthread_intercepts.c:?)
     70    by 0x........: main (tc23_bogus_condwait.c:56)
     71 mutex 0x........ was first observed at:
     72    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
     73    by 0x........: main (tc23_bogus_condwait.c:53)
     74 
     75 Thread 1:
     76 The impossible happened: mutex is locked simultaneously by two threads: mutex 0x........, recursion count 1, owner 2.
     77    at 0x........: pthread_cond_wait (drd_pthread_intercepts.c:?)
     78    by 0x........: main (tc23_bogus_condwait.c:78)
     79 mutex 0x........ was first observed at:
     80    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
     81    by 0x........: main (tc23_bogus_condwait.c:53)
     82 
     83 Thread 2:
     84 Mutex not locked by calling thread: mutex 0x........, recursion count 2, owner 1.
     85    at 0x........: pthread_mutex_unlock (drd_pthread_intercepts.c:?)
     86    by 0x........: grab_the_lock (tc23_bogus_condwait.c:42)
     87    by 0x........: vgDrd_thread_wrapper (drd_pthread_intercepts.c:?)
     88 mutex 0x........ was first observed at:
     89    at 0x........: pthread_mutex_init (drd_pthread_intercepts.c:?)
     90    by 0x........: main (tc23_bogus_condwait.c:53)
     91 
     92 
     93 ERROR SUMMARY: 12 errors from 10 contexts (suppressed: 0 from 0)
     94