Re: Power-drain during suspend?
"M. Warner Losh" <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
In message: <[email protected]> Randy Bush <[email protected]> writes: : >>> hw.pci.do_power_nodriver=[1|2|3] : >>> The larger the number, the more aggressive the power limitations. : >>> I use : >>> '3' on my T30 and it works fine. : >> in rc.suspend, or where? : > Use sysctl(8) to set it for testing. If it works, you can then make : > it permanent by setting it either in /boot/loader.conf or /etc/ : > sysctl.conf. : : so, it's a running state. : : how do i know "if it works?" : : # sysctl hw.pci.do_power_nodriver : hw.pci.do_power_nodriver: 0 : # sysctl hw.pci.do_power_nodriver=1 : hw.pci.do_power_nodriver: 0 -> 1 : # sysctl hw.pci.do_power_nodriver=2 : hw.pci.do_power_nodriver: 1 -> 2 : # sysctl hw.pci.do_power_nodriver=3 : hw.pci.do_power_nodriver: 2 -> 3 It only affects 'future' devices that don't have a driver attached to them. This means you have to load at least one pci driver before this sysctl takes effect. Warner _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"