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Date:      Fri, 10 Feb 2006 07:53:32 -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:  <17388.54044.444793.889876@roam.psg.com>
References:  <43EB1470.9020806@cbs.dk> <20060209163437.6AF8C45041@ptavv.es.net> <17387.62649.35663.93483@roam.psg.com> <1BA332D3-F745-40D1-AF60-13BE874DEB20@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.
>> 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

randy




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