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Message-ID: <402CED8C.4040203@basmevissen.nl>
Date: Fri, 13 Feb 2004 16:30:20 +0100
From: Bas Mevissen <ml@basmevissen.nl>
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To: tevaugha@ball.com, tevaughan@comcast.net
Cc: Matthew Garrett <mgarrett@chiark.greenend.org.uk>,
       debian-devel@lists.debian.org, linux-kernel@vger.kernel.org
Subject: Re: 2.6 kernel boot crashing
References: <20040211154044.GA656@ball.com> <E1Aqxgm-0005G4-00@chiark.greenend.org.uk> <20040211213243.GA5133@ball.com>
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Thomas E. Vaughan wrote:
> On Wed, Feb 11, 2004 at 04:58:16PM +0000, Matthew Garrett
> wrote:
> 
>>Thomas E. Vaughan wrote:
>>
>>
>>>PnPBIOS: PnP BIOS version 1.0, entry 0xf000:0x6d5a, dseg 0xf000
>>>general protection fault: 0000 [#1]
>>
>>There have been problems with PnP BIOS support on various
>>motherboards.  Try rebuilding the kernel package without
>>PNPBIOS support (you probably don't need it - it's there
>>in order to manage resource allocation for legacy hardware
>>like serial ports, and in most cases the BIOS will happily
>>set those up on its own) and see if that works.
> 
> 
> That did the trick.  The only config option that matters is
> 
>    "Plug and Play BIOS support (EXPERIMENTAL)",
> 
> which must *not* be selected.  I noticed that the top-level
> 
>    "Plug and Play support"
> 
> and also
> 
>    "ISA Plug and Play support (EXPERIMENTAL)"
> 
> can be selected, and the kernel still boots OK.  But that
> PnPBIOS support crashes the kernel hard.
> 

I can confirm that on an Asus P4P800 Deluxe motherboard too for at least 
kernel 2.6.0 and 2.6.1.

Setting the command line option pnpbios=off is a good fix for people who 
would like to run a pre-compiled kernel on those mainboards.

Regards,

Bas.