On Thu, Nov 24, 2011 at 7:56 AM, trisha yad <trisha1march@xxxxxxxxx> wrote: > Today on my ARM Board one problem hit. > pthread_mutex_lock.c:62: __pthread_mutex_lock: Assertion > `mutex->__data.__owner == 0' failed. > This happen in pthread_mutex_lock.c. > May you pls let me know in which all cases it can happen. It should only happen if: * the atomic operation was *not* atomic and you took a lock owned by another thread. * another thread accidentally corrupted the mutex by writing into it without holding the lock e.g. buffer overrun/underrun etc. * you have a compiler bug that causes the threading library to be incorrectly compiled and violate the ordering requirements the code needs to be atomic. Is it reproducible? Cheers, Carlos.
