amd64/87514: 6.0-CURRENT freezes machine using >4GB on AMD64
architecture with high memory load
obrien at FreeBSD.org
Tue Oct 18 09:40:24 PDT 2005
The following reply was made to PR amd64/87514; it has been noted by GNATS.
From: "David O'Brien" <obrien at FreeBSD.org>
To: Sean Dean <seandean at enhancededge.com>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: amd64/87514: 6.0-CURRENT freezes machine using >4GB on AMD64 architecture with high memory load
Date: Tue, 18 Oct 2005 09:36:41 -0700
On Sun, Oct 16, 2005 at 10:47:40AM +0000, Sean Dean wrote:
> Under 6.0-CURRENT using a Tyan K8SE (v1.03) with dual Opterons and 8GB
> of RAM my machine will freeze up when I have Software selected in
> the BIOS for Memhole mapping. The system will freeze when running a
> high load memory application, or an application using a large portion
> of memory.
> Running in either Hardware or Disabled mode for Memhole mapping will
> not cause the machine to freeze, but will remove about 1GB of RAM from
> the OS.
This is a BIOS bug, not a FreeBSD bug. What version of the BIOS are you
running? What revision Opterons do you have?
-- David (obrien at FreeBSD.org)
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