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Mail Archives: cygwin/2004/08/30/11:53:31

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Date: Mon, 30 Aug 2004 11:54:04 -0400
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: cygwin1.dll problem with Hyperthreaded machines.
Message-ID: <20040830155404.GQ8900@trixie.casa.cgf.cx>
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References: <41316E85 DOT 8010707 AT melbourne DOT sgi DOT com> <OFDBD11567 DOT 72234441-ON85256F00 DOT 00560135-85256F00 DOT 00564CBC AT abinitio DOT com>
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On Mon, Aug 30, 2004 at 11:42:51AM -0400, Chuck McDevitt wrote:
>Here at the company I work for, we have one of our developers spending 
>half his time trying to track down this problem, but so far with no luck.
>He did find that forcing processor affinity helps avoid the problem, but 
>that's not much of a solution.

No, but that's certainly in keeping with the tone of the problem.

>I keep trying to convince management to send a hyperthreaded machine that 
>shows the problem to Christopher or Corinna, but they keep nixing the idea 
>(I don't understand why).

I don't think either Corinna or I want another system, but if anyone is
considering sending a hyperthreaded system, it should probably go to me
and not Corinna since this is likely to be in code which I am
responsible for.

Hmm.  Usually, in cases like this, by this time Pierre has stepped in
and pointed in the general direction of where the problem lies.  I
wonder if his recent patch to fork in cygwin-patches shows where at
least one problem lies here.

Btw, I can confirm that this specific problem does *not* show up on
Windows 3.11, fwiw.

cgf

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