Subject: Re: 2.4.22 APM problems with IBM Thinkpad's
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ruben Puettmann <ruben@puettmann.net>
Cc: Mikael Pettersson <mikpe@csd.uu.se>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
In-Reply-To: <20030814122845.GA2264@puettmann.net>
References: <20030813123119.GA25111@puettmann.net>
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	 <20030814122845.GA2264@puettmann.net>
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Date: 14 Aug 2003 14:47:15 +0100
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On Iau, 2003-08-14 at 13:28, Ruben Puettmann wrote:
> > This isnt sufficient because some of the SMM traps off the FN-key 
> > sequences also crash thinkpads if APIC is enabled. Basically *dont use
> > local apic* except on SMP.
> 
> sorry but why breaks this all under linux? O.K im not a friend if
> windows but on the preinstalled windowsXP it runs all fine.
> 
> Is this a problem of manpower or missing spec's? 

The system isnt designed to run with APIC enabled it seems. There is no
reason for the BIOS to handle this because its not a normal setup and
given the horrors of SMM BIOS code I suspect they had enough on their
hands anyway.


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