Re: Suspend drains battery on IBM T42
"M. Warner Losh" <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
In message: <[email protected]> Eric Kjeldergaard <[email protected]> writes: : On 12/10/05, Barkley Vowk <[email protected]> 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, We should be setting ALL the devices into D3 state. Unless acpi tables say something different. Warner _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"