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Message-ID:	<4360C19D.9050102@byu.net>
Date:	Thu, 27 Oct 2005 06:01:33 -0600
From:	Eric Blake <ebb9 AT byu DOT net>
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To:	"Sarcar, Shourya C (GE Healthcare)" <shourya DOT sarcar AT med DOT ge DOT com>,
	cygwin AT cygwin DOT com
Subject:	Re: CPU usage issue with bash
References:	<7D2EA86E0DEB6F46994CDE7BA21B9681131FABA7 AT BANMLVEM02 DOT e2k DOT ad DOT ge DOT com>
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http://cygwin.com/acronyms/#PPIOSPE

According to Sarcar, Shourya C (GE Healthcare) on 10/27/2005 1:29 AM:
>>Now it looks like you have two copies of cygwin installed, 
>>and that c:\insite\bin is still trying to compete with 
>>c:\cygwin\bin.  Cygwin does not work well if you have two 
>>copies of cygwin1.dll, even if the two copies are the same 
>>version.  I don't know what insite is trying to provide, but 
>>it is probably the source of your problems.
> 
> 
> 
> Thanks for the help. I am struggling with a legacy system, so do not
> have the answers right away.
> I will try to establish some sanity and then ask some more questions if
> I am still stuck.
> 
> Is there a specific reason why two versions of Cygwin do not coexist
> well ?

Yes.  cygwin1.dll shares memory between all cygwin processes, and if you
have two versions of the .dll, the shared memory region is incompatible
between them and you are practically guaranteed a crash or other
unexpected behavior.

- --
Life is short - so eat dessert first!

Eric Blake             ebb9 AT byu DOT net
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