Date: Tue, 25 Jan 2005 11:32:40 -0800 From: "Kevin Oberman" <oberman@es.net> To: Ian Soboroff <ian.soboroff@nist.gov> Cc: freebsd-acpi@freebsd.org Subject: Re: Resume problem with mouse, 5.3 Message-ID: <20050125193240.8F9145D08@ptavv.es.net> In-Reply-To: Your message of "Tue, 25 Jan 2005 10:39:14 EST." <9cfmzuxplgd.fsf@rogue.ncsl.nist.gov>
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> 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.) -- 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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