linux-kernel - Re: kernel config for AMD Athlon 64 X2 4200+ Manchester

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Message-ID: <p738x36hk5y.fsf@bingen.suse.de>
Date:	Thu, 03 Jan 2008 18:51:37 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Bernd Prager <bernd@...ger.ws>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: kernel config for AMD Athlon 64 X2 4200+ Manchester

Bernd Prager <bernd@...ger.ws> writes:
> $  cat /proc/cpuinfo 
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 15
> model           : 43
> model name      : AMD Hammer Family processor - Model Unknown

This means your BIOS does not know your specific CPU. This could to all kinds
of subtle problems. Try to find a BIOS upgrade.

> Any ideas how I can configure the kernel to fix that?

The usual mistake is to not enable CONFIG_ACPI, although if the BIOS 
is really old and doesn't detect the dualcoreness of your CPU then that
might also not help.

-Andi
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