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From: Hans Petter Selasky <hselasky@c2i.net>
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Date: Mon, 7 Sep 2009 15:33:00 +0200
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Cc: Mustabasic Reuf <reuf_m@hotmail.com>
Subject: Re: FreeBSD-8.0BETA[1,2,3,4] hang at boot on iMac
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On Monday 07 September 2009 16:46:08 Mustabasic Reuf wrote:
> Hi all !
>
> I tried with all BETAs, the resulat is the same
> (see screenshot : http://i30.tinypic.com/mkhflh.jpg )
>
> iMac is last generation (iMac 9, apr. 2009), 7.2 worked flawlessly.
>
> If any additional info is required (ACPI debug output, dmesg...) just make
> a sign.

Hi,

This is likely a known issue related to some recent PAT changes which makes 
the CPU microcode hang when enabling ACPI.

--HPS