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From: Peter Rehley <peter AT rehley DOT net>
Subject: Re: Hang with 1.5.18, 1.5.19 snapshot 20051029
Date: Wed, 2 Nov 2005 11:11:51 -0800
To: "Cygwin List'" <cygwin AT cygwin DOT com>
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On Nov 1, 2005, at 5:52 AM, Volker Quetschke wrote:

> Hi!
>
> Peter Rehley wrote:
>> I have a problem where a configure script is hanging.  I first  
>> saw  the behavior in 1.5.18, and it's still there in the latest  
>> snapshot.  The only machines that we are seeing it hang on are  
>> windows 2000  machines, sp4, with duel pentinum 933 mhz  
>> processors, and using ssh  to login to the machine.  I haven't  
>> been able to reproduce the  problem on single processor machines  
>> or when ssh is not used.
>> Under 1.5.18, the hang occurred about 1 in ten times in the   
>> test_configure script (provided in the bash_test.tar.bz2 file.   
>> Under  the latest snapshot it's about 1 in 900.
>> When the hang happens it appears that a process is completed, but   
>> still can be found in the process directory.  The cmdline file  
>> says  <defunct>, but the process still shows up in the process  
>> list (ps - ef).  If I try to clean up by killing the process, the  
>> kill command  says that the process doesn't exist.  The only way  
>> that I can make  the hung process go away is by using the task  
>> manager to kill the  process.
>
> Your symptoms look familiar to our OOo build hang. I'm curious if in
> your case a:
>
> $ ls /proc/<hangpid>/fd
>
> also cures the hang. (Sometimes this has to be issued several times.)

This didn't seem to do anything for me.....but I also did not try  
several times,  and now I'm having a hard time reproducing the  
problem. :(

One really odd thing that I did notice on my windows 2000 machines  
was that when I do a 'ps -ef' many times in a row quickly, the  
test_configure script that I'm using dies...it either segfaults or I  
get fork: Resource Temporarily unavailable.

Peter

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