linux-kernel - Re: CPU too old panic on Centrino proc

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Date:	18 Sep 2007 20:21:20 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Robby Workman <rw@...orkman.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: CPU too old panic on Centrino proc - 2.6.22.6

Robby Workman <rw@...orkman.net> writes:

> On booting a 2.6.22.6 kernel with SMP support, I get a panic
> immediately:
>   PANIC: CPU too old for this kernel
> This panic does not occur on a non-SMP kernel having almost
> identical configuration.
> 
> This is on a Thinkpad T41:
>   /proc/cpuinfo --> http://rlworkman.net/cpuinfo
>   dmesg --> http://rlworkman.net/dmesg
>   kernel config --> http://rlworkman.net/config-2.6.22.6
> 
> The 2.6.21.5 SMP kernels from Slackware 12.0 all boot properly, and
> the config for this 2.6.22.6 SMP kernel is based on the one from 12.0.
> 
> I'm basically reaching for clues at this point -- is this a PEBKAC on
> my part?  What other information would be useful?

Most likely you enabled CONFIG_HIGHMEM64G. Banias didn't support 
PAE.

-Andi
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