Subject: Re: Call for testing: ACPI standby/suspend support
To: None <>
From: Rui Paulo <>
List: tech-kern
Date: 03/09/2006 20:38:51
"Jared D. McNeill" <> writes:

> On Tue, 2006-03-07 at 21:03 -0400, Jared D. McNeill wrote:
>> Hey folks --
>> In preparation for the next release, I'm working on some patches for
>> allowing userland to initiate ACPI sleep from userspace.
>> If anyone wants to try the patches from this site, feedback would be
>> appreciated:
> [...]
> Ok, this actually works now. Not only does it work, but it works fairly
> damn well. With a workaround[1], I can even recover from S3 with the
> buggy firmware on my Latitude D600. I'm still working through a few
> device driver issues (iwi completely loses on resume, for example), but
> I'm happy with the state of this support. Make sure you grab the
> 20060309 patchset; the 20060307 patchset is useless.
> PLEASE TEST THIS CODE! It's very simple, boot a kernel with these
> patches single-user, and run 'apm -d -z'. Report your results. If you
> can, provide patches to hardware device driver powerhooks. This is
> probably the biggest task involved with getting ACPI suspend/resume
> working properly.
> Cheers,
> Jared
> [1] If your firmware is broken and doesn't re-initialize the display
> adapter on resume from S3, try setting a power-on password in your BIOS.
> The 'enter your unlock password' screen is enough to kick mine back into
> action.

My laptop goes into S3 suspend well, but when it comes back it reboots.
Any idea ?

  Rui Paulo			<rpaulo@{NetBSD{,-PT}.org,}>