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Re: CPU usage issue with bash
- From: Eric Blake <ebb9 at byu dot net>
- To: "Sarcar, Shourya C (GE Healthcare)" <shourya dot sarcar at med dot ge dot com>, cygwin at cygwin dot com
- Date: Thu, 27 Oct 2005 06:01:33 -0600
- Subject: Re: CPU usage issue with bash
- References: <7D2EA86E0DEB6F46994CDE7BA21B9681131FABA7@BANMLVEM02.e2k.ad.ge.com>
- Reply-to: cygwin at cygwin 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@byu.net
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