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Date:      Wed, 26 Jan 2005 19:40:36 -0800
From:      "Kevin Oberman" <oberman@es.net>
To:        Anish Mistry <mistry.7@osu.edu>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: Resume problem with mouse, 5.3 
Message-ID:  <20050127034036.632D25D09@ptavv.es.net>
In-Reply-To: Your message of "Wed, 26 Jan 2005 22:36:36 EST." <200501262236.53148.mistry.7@osu.edu> 

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> From: Anish Mistry <mistry.7@osu.edu>
> Date: Wed, 26 Jan 2005 22:36:36 -0500
> 
> --nextPart7208063.0TRPpiditP
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> On Tuesday 25 January 2005 02:32 pm, Kevin Oberman wrote:
> > > From: Ian Soboroff <ian.soboroff@nist.gov>
> > > Date: Tue, 25 Jan 2005 10:39:14 -0500
> > > Sender: owner-freebsd-acpi@freebsd.org
> > >
> > > Anish Mistry <mistry.7@osu.edu> writes:
> > > > Also the issue about poor battery life under ACPI S3 suspend (I
> > > > believe your APM terminology is incorrect since APM suspend has good
> > > > battery life, but other stuff breaks) is that certain devices aren't
> > > > shutdown fully since they aren't in the 2110's DSDT and the drivers
> > > > don't shut them down as the should.  To get a significantly better
> > > > battery life you will need to search through the archives of this
> > > > list and look for the acpi_video DPMS patch posted by jhb.  This
> > > > will make things much better, but there are still a few things that
> > > > need to be fixed in the drivers.
> > >
> > > I am running with the acpi_video patch, and I can have the laptop in
> > > S3 suspend for about a weekend.  (This is with the high-cap main
> > > battery and an expansion bay battery, btw.)  APM suspend indeed breaks
> > > something as I could never resume from it.
> > >
> > > There was a recent patch mentioned which I am planning to try as
> > > well.  I know I should be able to achieve better suspended battery
> > > life, since I could go a week or two in APM suspend from Linux.
> > >
> > > (Before I get labelled a Linux troll, I'm a recent convert to FreeBSD
> > > on my laptop and like it a lot so far... slimmer memory footprint and
> > > much better documented.  ACPI suspend never worked for me under Linux,
> > > so APM there is all I have to compare with.  Battery drain under
> > > suspend means I have to carry around a power cord again, and that's no
> > > fun.  I'm happy to test stuff as time permits.)
> >
> > Look in the archives for acpi_pwr5.diff. The posting is by njl@ (Nate
> > Lawson). It will improve power management capability for PCI
> > devices. (It puts them in standby mode on a suspend to RAM.)
> I'm running current that has the power patch already merged, and just did
> some tests.   It doesn't help any for this system unfortunately.  I'm not
> sure what else to do to improve S3 from draining the battery.
> -- 
> Anish Mistry

You have all the patches I am aware of that should help
power. Sorry. Maybe someone else has an idea.
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman@es.net			Phone: +1 510 486-8634



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