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Mail Archives: cygwin/2004/03/31/17:36:18

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Message-ID: <16491.18327.215604.91703@chaos.crhc.uiuc.edu>
Date: Wed, 31 Mar 2004 16:35:03 -0600 (CST)
From: Graham Clark <gcla AT crhc DOT uiuc DOT edu>
To: Cygwin List <cygwin AT cygwin DOT com>
Subject: Re: 1.5.7: csrss and bash consuming 100% of CPU
In-Reply-To: <6.0.1.1.0.20040323123744.03c0a440@127.0.0.1>
References: <6 DOT 0 DOT 1 DOT 1 DOT 0 DOT 20040323123744 DOT 03c0a440 AT 127 DOT 0 DOT 0 DOT 1>

> Please upgrade to 1.5.9 and/or the latest snapshot to see if either help.

Thanks for the response; unfortunately upgrading did not help. I still
don't know what triggers the behaviour, and it may be over an hour of
use before the problem occurs, but when the CPU hits 100%, xemacs and
each instance of bash are involved.

Is it simplistic of me to wonder if there's a regression to the bug to
which this URL refers?

http://www.cygwin.com/ml/cygwin/2000-04/msg00522.html

Or perhaps there are many plausible ways in which the symptoms I've
described can occur(?)

Thanks again,
Graham


----------------------------------------------------------------------

> >Hi,
> >
> >I believe this is an old problem, but I'm now experiencing it with a
> >recent version of Cygwin. I haven't been able to determine what
> >triggers this, but after what seems like a few minutes working with
> >bash, I find that my CPU is at 100%, and that task manager identifies
> >the culprits as csrss.exe and each instance of bash.exe. Killing each
> >copy of bash restores the CPU to its typical workload. I'm using
> >version 1.5.7 of the cygwnin DLL, and Windows XP Pro
> >SP1. Unfortunately I can't pinpoint when this started, and so identify
> >what changed on the machine. I did set "tty" in the CYGWIN variable,
> >but have since removed that setting.
> >
> >I've searched the mailing lists, but only found a tantalising
> >suggestion that this would be fixed back in 1.1.1:
> >
> >http://www.cygwin.com/ml/cygwin/2000-04/msg00522.html
> >
> >Google found a couple of articles, but no fix. Does anyone know what
> >is the cause of this?
> >
> >I've attached the suggested cygcheck output to this message.

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