From: Mike Fedyk <mfedyk@matchmail.com>
To: "Brian C. Thomas" <bcthomas@nature.Berkeley.edu>,
linux-kernel@vger.kernel.org
Subject: Re: severe performance degradation on serverworks with high mem
Date: Thu, 18 Oct 2001 16:01:09 -0700 [thread overview]
Message-ID: <20011018160109.C2467@mikef-linux.matchmail.com> (raw)
In-Reply-To: <20011018125714.A360@nature.Berkeley.edu> <20011018144504.B134@nature.Berkeley.edu>
In-Reply-To: <20011018144504.B134@nature.Berkeley.edu>
On Thu, Oct 18, 2001 at 02:45:05PM -0700, Brian C. Thomas wrote:
> Hi
>
> I don't know if this helps, but I seem to have stumbled onto a
> possible "fix" for this...
>
> With 64GB high memory enabled in kernel 2.4.12-ac3, and mtrr turned
> on, I was able to see all 8GB RAM on my machine by using the old
> 'append="mem=8000M"' command in my lilo.conf file... AND WITH NO LOSS
> OF PERFORMANCE!
>
> Does that help anyone with defining where this problem is coming from?
>
The real question is how to reproduce the > 2hr kernel compiles.
Are there any certain steps that would reliably create the problem, and if
so what are they?
next prev parent reply other threads:[~2001-10-18 23:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-18 19:57 severe performance degradation on serverworks with high mem Brian C. Thomas
2001-10-18 21:45 ` Brian C. Thomas
2001-10-18 23:01 ` Mike Fedyk [this message]
2001-10-19 7:24 ` Eric W. Biederman
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