Date: Thu, 27 Jan 2005 13:20:14 -0800 From: "Kevin Oberman" <oberman@es.net> To: Nate Lawson <nate@root.org> Cc: freebsd-acpi@freebsd.org Subject: Re: Resume problem with mouse, 5.3 Message-ID: <20050127212014.4414C5D04@ptavv.es.net> In-Reply-To: Your message of "Thu, 27 Jan 2005 12:31:12 PST." <41F94F90.2020006@root.org>
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> Date: Thu, 27 Jan 2005 12:31:12 -0800 > From: Nate Lawson <nate@root.org> > > This is a multi-part message in MIME format. > --------------010609090008080106080905 > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > Content-Transfer-Encoding: 7bit > > Kevin Oberman wrote: > >>From: Ian Soboroff <ian.soboroff@nist.gov> > >>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.) > > Attached, for convenience. BTW, does anyone have problems introduced > when running with this patch or do you think it's safe for MFC? I have had no problems at all, and I have heard from a few other, none of whom have had a problem. I have not tested as to whether it really improves power consumption, but it does not seem to cause any problems. At least one person has sent a note that it really did not make a difference for him, though. But I have no reason to think that it should not be MFC'd. -- 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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