[ltp] T23: ibmacpi lcd_disable only works sometimes

Jonathan Kurtz linux-thinkpad@linux-thinkpad.org
Wed, 11 May 2005 16:29:16 +0200


> I don't get it. I posted various requests for help, thinking suspend2 and
> lcd_disable won't work together. So I decided not to use
> suspend2, compiled
> kernel again and wonder why it won't work either *ARGH*. Compiled the
> gentoo-kernel with various ''features'' on and off, thought it hast
> something to do with, but at least I'm so far: it doesn't. I don't know
> whats wrong.
> Interesting fact is, if I press Fn+F7 at boot time twice (or in
> grub eg., to
> switch) then echo lcd_disable works! Suspended or not. Damn I've to cancel
> some posts, not put wrong facts in the net.
> Is this an known IBM bug or what could it be? I'm using an ibm bios,
> downloaded two weeks ago.

RTFM,
on booting or loading passing video_switch to the ibm_acpi enables
lcd_disable feature using ibm_acpi on my T23
long work done,
duck&cover

greetings,
jonathan


sorry for bothering