linux-kernel - Re: [bisected] PS/2 keyboard and mouse dead on resume on Intel D845BG

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Date:	Tue, 09 Oct 2012 01:11:55 -0400
From:	Len Brown <lenb@...nel.org>
To:	Matthew Garrett <mjg@...hat.com>
CC:	Ondrej Zary <linux@...nbow-software.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Len Brown <len.brown@...el.com>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [bisected] PS/2 keyboard and mouse dead on resume on Intel D845BG

On 10/08/2012 10:42 AM, Matthew Garrett wrote:
> On Sun, Oct 07, 2012 at 09:00:09PM +0200, Ondrej Zary wrote:
> 
>> Added acpi_read_bit_register there and it seems that SCI_EN is already set!
>>
>> This patch fixes the problem here. I wonder how this affects systems that
>> require SCI_EN to be set.
> 
> I /think/ that this will be safe, but it doesn't match my recollection 
> of how Windows behaves so it may break something. Any chance you can 
> find someone with one of the machines mentioned in 
> https://bugzilla.kernel.org/show_bug.cgi?id=13745 and make sure that 
> they still work with your patch?

yikes.
we started with a white-list,
then we made setting SCI_EN the default,
and here is at least one box that wants to be on a black list
so that we don't set SCI_EN:-(



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