linux-kernel - Re: Kernel 2.6.17.8 on Quad AMD Opteron 852 with 16x 4GB Modules (64GB RAM)

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Message-ID: <44EC798F.2080108@zytor.com>
Date:	Wed, 23 Aug 2006 08:51:43 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Björn Engelhardt <bjoern2@...eue.de>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Kernel 2.6.17.8 on Quad AMD Opteron 852 with 16x 4GB Modules
 (64GB RAM)

Björn Engelhardt wrote:
> Hello,
> 
> we upgraded a Server from 32 GB RAM to 64 GB. Now we try to get a Linux 
> (FC5) with kernel 2.6.17.8 on a Quad Opteron (852; 64bit)-system with 
> 16x 4GB modules to run.
> With 32 GB (8x 4GB modules) the system starts without any problems, but 
> above I get kernelpanics.
> The output then gives me several memoryaddresses bevore the panic 
> appears. The board (a Tyan K8QW,model S4881) should support up to 64GB 
> Ram. A Memorytest under Linux recognizes the 64GB and continues without 
> an error.
> I tried several BIOS-Settings.
> Does the kernel support the new 4GB-Modules by 64GB Ram?
> 

Sounds like your memory is bad.

	-hpa
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