From: Andi Kleen <ak@suse.de>
To: Francois Pepin <fpepin@aei.ca>
Cc: linux-kernel@vger.kernel.org
Subject: Re: kernel oops with x64_86 crossing 4Gb boundary
Date: 23 Jul 2005 18:20:03 +0200 [thread overview]
Message-ID: <p737jfhbiks.fsf@bragg.suse.de> (raw)
In-Reply-To: <1121901528.5121.21.camel@elm.mcb.mcgill.ca.suse.lists.linux.kernel>
Francois Pepin <fpepin@aei.ca> writes:
> Hi,
>
> I am getting pseudo-random kernel oops on my Opteron box (Tyan Thunder
> K8W) with 4Gb RAM. I am running RedHad FC3 with kernel
> 2.6.11-1.35_FC3smp.
>
> It runs well with default BIOS settings, but only 3.5Gb RAM are visible.
> Using the "Software Memory Hole" option in the BIOS (version 3.02)
> remaps the last 2Gb to 4-6Gb. This causes kernel oops with various
> applications, generally killing them.
>
> I can reproduce it by loading lots of data into R (which caused the oops
> below). Various other applications have caused it
Software memory hole is broken in the BIOS. Don't use it.
-Andi
next parent reply other threads:[~2005-07-23 16:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1121901528.5121.21.camel@elm.mcb.mcgill.ca.suse.lists.linux.kernel>
2005-07-23 16:20 ` Andi Kleen [this message]
2005-07-20 23:18 Francois Pepin
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