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From: "Jesse D. Guardiani" <jesse@wingnet.net>
Date: Thu, 05 Jun 2003 09:45:35 -0400
Organization: WingNET Internet Services
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Subject: Re: 5.1-BETA2 FAILURE on IBM A30p Thinkpad
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Kevin Oberman wrote:

>> From: "Jesse D. Guardiani" <jesse@wingnet.net>
>> Date: Sat, 24 May 2003 02:12:32 -0400
>> Sender: owner-freebsd-current@freebsd.org
>> 
>> 
>> "Andre Guibert de Bruet" <andy@siliconlandmark.com> wrote in message
>> news:20030523145802.U75651@alpha.siliconlandmark.com...
>> > Jesse,
>> >
>> > IBM just released (As of 5/20/2003) a new version (1EET70WW (1.16)) of
>> > your laptop's BIOS. Could you update it and see if it helps any?
>> 
>> These kernel panics still occur with the 1.16 BIOS.
>> 
>> As an update, I have successfully installed 5.0-RELEASE on this laptop
>> without any kernel panics. However, neither ACPI or APM works. If I
>> disable ACPI then the kernel locks up right before it detects my keyboard
>> controller.
>> 
>> I'm beginning to get discouraged.
> 
> Does you r kernel configuration have:
> options        DISABLE_PSE
> options        DISABLE_PG_G
> 
> I just discovered that a kernel built with these options will not boot
> on my ThinkPad T30 unless I remove APM.

Well, apparently Thomas Girard discovered the problem for me. Entering:

set hw.pci.allow_unsupported_io_range=1

at the loader prompt in 5.1-RC1 (and probably both BETAs) fixes everything
right up!

I'll be returning to my favorite O/S, FreeBSD, from Debian Linux with the
release of 5.1-RELEASE.

Hurray!

-- 
Jesse Guardiani, Systems Administrator
WingNET Internet Services,
P.O. Box 2605 // Cleveland, TN 37320-2605
423-559-LINK (v)  423-559-5145 (f)
http://www.wingnet.net