This bug has been copied from bug #579081 and has been proposed
to be backported to 5.5 z-stream (EUS).
*** Bug 604795 has been marked as a duplicate of this bug. ***
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When an Openais client process sent an event to the server (aisexec), the server stopped working. When the client process tried to send the event using the saEvtEventPublish() function, it hanged indefinitely on a semaphore (semop()) operation. Even when the server was restarted, the blocked client process was still blocked. With this update, the client process no longer hangs indefinitely and is unblocked after a set period of time.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.