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Date: Mon, 4 Aug 2003 08:35:57 -0400
From: Jason Tishler <jason AT tishler DOT net>
To: cygwin AT cygwin DOT com
Subject: pthreads problem under Me (was Re: 1.5.x goes current on 2003-08-23?)
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On Sun, Aug 03, 2003 at 12:54:38PM -0400, Nicholas Wourms wrote:
> Perl-5.8 is not working at all on WinME and, despite my best efforts,
> I am unable to debug the problem because the "race" condition happens
> before the dubugger can hook.  As Jason points out in the release
> notes, even after being rebased, Python cannot pass any of the threads
> or forking tests.

The attached *may* be affecting threads under Perl too.  Specifically,
the following:

    pthread_cond::Signal: Released too many threads - X now X originally

I'm willing to work with the Cygwin pthreads developers to help track
down this problem.  Sorry, for sitting on this one...

Jason

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From: "Pierre A. Humblet" <Pierre DOT Humblet AT ieee DOT org>
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Jason,

> > In addition: test_hotshot froze and had to be excluded.
> 
> Did just test_hotshot hang?  Or, did the entire system freeze?

Just the test. ^C worked.

> > test_fork1, test_popen2 and test_pty generated dozens of pop-ups
> > indicating errors in many many dlls.
> 
> Others have reported these "page fault" dialogs under 9x too.  Any idea
> what they mean?
> 
> > test_fork1
> >     119 [main] python 48867933 pthread_cond::Signal: Released too many threads - 4 now 4 originally
> >     657 [unknown (0xFD1BF60F)] python 48867933 pthread_cond::Signal: Released too many threads - 3 now 3 originally
> >     750 [unknown (0xFD1BF60F)] python 48867933 pthread_cond::Signal: Released too many threads - 3 now 3 originally
> >     830 [unknown (0xFD1BF60F)] python 48867933 pthread_cond::Signal: Released too many threads - 3 now 3 originally
> >   39147 [unknown (0xFD1BF367)] python 48867933 pthread_cond::Signal: Released too many threads - 2 now 2 originally
> 
> I have never seen the above error messages before.  Are you running
> 1.3.22, a snapshot, or CVS?

I believe 1.3.22, current CVS doesn't work om WinME. But I will double
check tonight.
 
Perhaps you should pass this on to the pthread guys.


Pierre


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