#0  __GI___pthread_mutex_lock (mutex=0x1064) at ../nptl/pthread_mutex_lock.c:66
  [Error: ../nptl/pthread_mutex_lock.c was not found in source tree]
#1  0xb596f71c in ?? ()
#2  0x00001064 in ?? ()
#3  0xb4f7f2b0 in ?? ()
#4  0xb5964e81 in ?? ()
#5  0x00001064 in ?? ()
#6  0x00000000 in ?? ()