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List:       hpux-devtools
Subject:    Re:  HPUX-DEVTOOLS: Problem with mutex locks and PTHREAD_SCOPE_PROCESS
From:       Dennis Handly <dhandly () cup ! hp ! com>
Date:       2008-02-12 2:24:49
Message-ID: 200802120224.SAA12244 () hpcll183 ! hp ! com
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>From: Michael Marxmeier <mike@marxmeier.com>
>We found some unexpected behaviour when testing our application
>with the MxN thread model on a 11.23 IA64 system.

You probably don't want to use MxN.  Just use Nx1, kernel threads.

>The problem seems reproducable in a specific test scenario.
>This seems to happen only if concurrency is limited. It does not
>happen with system scope concurrency.
>Most recent pthreads cumulative patch PHCO_36323 is installed.

Yes, that's the last patch.  I don't know if 11.31 is any better?

>We don't plan to use the MxN thread model so this is not a problem
>for us at this point. However, i'm wondering if this is a known
>problem
Michael

If you want to pursue it, you'll need to contact the Response Center and
provide your test case.

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