Date: Fri, 14 Oct 2005 10:38:31 -0400 From: "Alexandre \"Sunny\" Kovalenko" <Alex.Kovalenko@verizon.net> To: Eric Kjeldergaard <kjelderg@gmail.com> Cc: Barkley Vowk <bvowk@math.ualberta.ca>, freebsd-mobile@freebsd.org Subject: Re: Suspend drains battery on IBM T42 Message-ID: <1129300711.742.6.camel@RabbitsDen> In-Reply-To: <d9175cad0510121802i3776dcb7j@mail.gmail.com> References: <20051012155949.G54439@3jane.math.ualberta.ca> <d9175cad0510121802i3776dcb7j@mail.gmail.com>
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On Thu, 2005-10-13 at 01:02 +0000, Eric Kjeldergaard wrote: > On 12/10/05, Barkley Vowk <bvowk@math.ualberta.ca> wrote: > > I just got a new T42 notebook, and everything works ok, except when I drop > > the notebook into acpi sleep, it burns through the battery in 8 hours or > > so. It would be nice if the notebook could suspend at least overnight. > > > > I've also noticed that the suspended notebook is warm to the touch. And, > > that when the notebook is suspended, the LCD backlight goes off, but the > > text is still faintly visible. > > > > This site leads me to believe that my radeon chipset isn't being put to > > bed: > > http://www.thinkwiki.org/wiki/Problem_with_high_power_drain_in_ACPI_sleep > > > > I'm running 6.0-B5, and I've got acpi_ibm, acpi_video loaded (I kind of > > wish suspend/resume would work with drm enabled). > > > > I had tried using apm instead of acpi, but usb fails to work after > > resuming, so I didn't test to see if the power drain was better. > > you may want to check out radeontool > http://www.init-main.com/radeontoolport.tar.gz . Another common user > of power in suspended laptops seems to be USB not shutting down. Good > luck with your troubles, > > Eric > > -- > If I write a signature, my emails will appear more personalised. > _______________________________________________ > freebsd-mobile@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mobile > To unsubscribe, send any mail to "freebsd-mobile-unsubscribe@freebsd.org" Good way to check whether USB is the culprit is to use something like USB-powered reading light and suspend. On mine (Averatec 3150H) it stays on, even when machine seem to go to sleep. I don't have solution for this though... -- Alexandre "Sunny" Kovalenko (Олександр Коваленко)
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