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Date: Sat, 20 Nov 2004 21:57:09 -0500
To: Clive Lin <clive@tongi.org>
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From: Dan Pelleg <daniel+fbdsm@pelleg.org>
cc: Jochen Gensch <incmc@gmx.de>
cc: mobile@freebsd.org
Subject: Re: acpi_video, 5.3-RELEASE, ThinkPad X31?
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Clive Lin writes:
 > On Fri, Nov 19, 2004 at 06:01:38AM -0500, Dan Pelleg wrote:
 > > Jochen Gensch <incmc@gmx.de> writes:
 > > > Brad Karp wrote:
 > > >> Are there known problems with acpi_video attaching on ThinkPads of some
 > > >> models? How about known fixes?
 > > On my X31 (2672-CBU) I see this in dmesg:
 > > acpi_video0: <ACPI video extension> port 0x3000-0x30ff mem 0xc0100000-0xc010ffff,0xe0000000-0xe7ffffff irq 11 at device 0.0 on pci1
 > > However the backlight stays on on suspend.
 > 
 > If you guys do not care about running X, a trick floating around
 > -current, `xset dpms force off`, does the right thing.
 > 

Thanks! that does the trick for me. The quick and dirty hack is just this
line in /etc/rc.suspend:

su MAINUSER -c "xset -display :0 dpms force off"

Some cleaner ones are discussed at:
http://freebsd.rambler.ru/bsdmail/freebsd-current_2004/msg02374.html

--
Dan Pelleg