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Date: Mon, 27 Dec 2004 14:56:31 -0800
From: Nate Lawson <nate@root.org>
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To: Andrea Campi <andrea+acpi@webcom.it>
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cc: freebsd-acpi@freebsd.org
Subject: Re: S3 experience on Thinkpad 570E
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Andrea Campi wrote:
> Hi,
> 
> I've tried using S3 on -CURRENT, more in response to Nate's request than
> out of need, since S4BIOS is working great on this PC.
> 
> In a nutshell, acpiconf -s3 powers down; on powerup however the machine
> is deadly slow. I replicated this with a stripped down kernel; the only
> thing that was evidently wrong is that the clock slowed down from 1000 to
> around 250 interrupts per second.

It sounds like the clock interrupt source is not getting saved/restored 
properly if it slows after a resume.  I am not sure how to solve this. 
Perhaps John has something to add.

-- 
Nate