Date: Fri, 10 Feb 2006 08:06:27 -1000 From: Randy Bush <randy@psg.com> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-mobile@freebsd.org Subject: Re: Power-drain during suspend? Message-ID: <17388.54819.534106.523870@roam.psg.com> References: <43EB1470.9020806@cbs.dk> <1BA332D3-F745-40D1-AF60-13BE874DEB20@FreeBSD.org> <17388.54044.444793.889876@roam.psg.com> <200602101302.49534.jhb@freebsd.org>
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>>>>> 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. >>> 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. >> how do i know "if it works?" > Well, this one really only affects device probe (and maybe suspend/resume?), > so you'd need to boot with it set via the loader to see if it works. Also, > you can try suspending with it enabled and seeing if it cuts down on the > amount of power drain while suspended. aha! got it. i can suspend/resume if it is = 3 on a t41. we'll see at next boot. randy
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