Date: Tue, 5 Aug 2003 08:52:46 +0200 From: Mark Santcroos <marks@ripe.net> To: Rudolph Pereira <memetical@yahoo.com.au> Cc: freebsd-mobile@freebsd.org Subject: Re: battery life on presario 720 Message-ID: <20030805065245.GB655@laptop.6bone.nl> In-Reply-To: <20030712014031.GA48560@starfleet.org.au> References: <20030712014031.GA48560@starfleet.org.au>
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Hi Rudolph, Can you send the output of "sysctl hw.acpi"? Mark On Sat, Jul 12, 2003 at 11:40:32AM +1000, Rudolph Pereira wrote: > Hello, > I have a presario 720au laptop (only has acpi support), > and I am trying to work out why it's > running time on battery is so low under freebsd. > Under linux and windows xp, I can get up to about 4 hours of battery > life, while on freebsd (-current, compiled jul 9), it's less than two > hours (closer to 1:45). > > Is there something fundamental I'm missing? Both windows xp and linux > seem to run quieter/cooler (I assume they are turning off fans, idling > the cpu, etc), but I cannot achieve the same effect with freebsd. > > I've attached a dmesg, if that's of any help. All the OSs are pretty > much stock standard installs with no tweaking. Linux is 2.4.21 +acpi > patches, and freebsd only has nate's EC patch (which has since been > committed, iirc). I've tried using my own compiled dsdt/aml table but > that doesn't seem to change anything. > > If anyone can point me in the right direction, or give any other > information, it would be appreciated. > > thanks > -- Mark Santcroos RIPE Network Coordination Centre http://www.ripe.net/home/mark/ New Projects Group/TTM
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