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Date:      Mon, 12 Dec 2005 19:48:56 -0500
From:      John Baldwin <jhb@FreeBSD.org>
To:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
Cc:        freebsd-acpi@FreeBSD.org
Subject:   Re: ACPI-0220: *** Error: Unable to install System Control Interrupt Handler, AE_ALREADY_EXISTS
Message-ID:  <B1D0E215-84BB-428F-96A8-40155E633955@FreeBSD.org>
In-Reply-To: <20051212224636.A23668@maildrop.int.zabbadoz.net>
References:  <20051211002447.I23668@maildrop.int.zabbadoz.net> <20051212224636.A23668@maildrop.int.zabbadoz.net>

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On Dec 12, 2005, at 5:54 PM, Bjoern A. Zeeb wrote:

> On Sun, 11 Dec 2005, Bjoern A. Zeeb wrote:
>
> Hi,
>
>> I updated my BIOS on an AMD64 machine to check if it improves some
>> other things and got following with HEAD from around 12-08 (before
>> the last amd64/jhb commits I think) and with HEAD from today (after
>> these updates).
>>
>> RELENG_6 from beginning of December seems to be fine.
>>
>> ...
>>  AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow+,3DNow>
>>  AMD Features2=0x1<LAHF>
>
> for the records:
>
> This line (new BIOS)
> Features=0x78bf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA 
> ,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
> should read like this (old BIOS)
> Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PG 
> E,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
>
> The APIC is missing and it turned out that this is a BIOS and not a
> FreeBSD problem.

Um, gee, that's obscure. :)  You could probably just remove that  
check I guess.  I don't know of any machines that include an MP Table  
or MADT that use CPUs that don't contain a local APIC anyway.

-- 
John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org




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