PROBLEM: (EVT102538, EVT102513, QAR 60321) (Patch ID: OSF375-201) ******** This patch fixes a problem that occurs with applications based on POSIX message queues. During certain high activity periods, processes may hang when trying to access the message queue. A sample stack trace is as follows: 0 thread_block 1 mpsleep 2 psx4_csem_sleep_wakeup 3 syscall 4 _Xsyscall