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Date: Wed, 15 Aug 2001 22:29:00 +0100 (BST)
From: arjan@fenrus.demon.nl
To: linux-kernel@vger.kernel.org
Subject: Re: Dell I8000, 2.4.8-ac5 and APM
In-Reply-To: <29219.997909757@redhat.com>
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In article <29219.997909757@redhat.com> you wrote:

> I've been chasing down APM problems on an I8000 today too - the Red Hat 7.2
> beta kernel (which is based on some 2.4-ac) dies on resume, while a clean
> 2.4.9-pre4 survives. I'd noticed that the Red Hat kernel was using the local
> APIC just before giving up on it for the day - turning that off will be the
> first thing I try in the morning.

> Apart from the hang on applying or removing power, were you also having 
> this problem with APM suspend?

> Strangely, APM suspend was working after a suspend-to-disk. It only failed 
> after a clean boot.

Not so strange as suspend to disk most likely disables the apic and
"forgets" to restore it.... that's actually a bios bug (?) helping you out
here....