From owner-freebsd-mobile@FreeBSD.ORG  Wed Mar 10 07:15:30 2004
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From: Tobias Eichert <te@macnews.de>
To: orm.hager@sercon.de
Date: Wed, 10 Mar 2004 16:15:29 +0100
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cc: freebsd-mobile@freebsd.org
Subject: Re: Thinkpad R50 Installation + Wireless
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On Wednesday 10 March 2004 15:30, orm.hager@sercon.de wrote:
> Hello,
> I installed 4.9 STABLE successfully.
>
> Now I felt the wish to use the wireless adapter of this Thinkpad R50
> (this is a Intel Centrino).
>
> This should be possible with NDIS, and so I tried to install 5.2 (as well
> as 5.1
> and 5.2.1) from CDs I already used to install desktop systems.
>
> I get the boot menu, where I can choose to disable APCI etc..
> Regardless of my choice, after a short while the system crashes into
> an automatic reboot.
>
> With all these versions I get a
> "Fatal trap 12: page fault while in kernel mode" when booting from CD.
> Looks like cardbus?
> "Current process:    = 24 (irq 11: cbb0 fwohci*)"
>
> So I need to circumvent this stage while booting from CD
> or
> get my wireless running with NDIS on 4.9.
>
> Any ideas?
>
> All comments are highly appreciated!
>
> Thank you,
> ---Orm
>
>


Try adding the line 'set hw.pci.allow_unsupported_io_range="1" ' before 
booting from the installation media. It worked for me (I'm running 5.2.1 on
a Thinkpad T40p); in my case it had something to do with the cardbus.

Maybe this helps,

Tobias