Re: Thinkpad brightness keys kill X on 2.6.26.5

Pavel Machek
2008-09-30T23:39:57Z

Hi!

> I just upgraded from 2.6.25.17 to 2.6.26.5 on my Thinkpad Z61t, and found
> the brightness keys will cause the X server to die. When using the
> brightness up/down keys, the screen will go blank -- Control+Alt+F# will
> still switch to a different virtual console, but switching back will not
> restore the video state.
>
> After killing the window manager, I was able to bring up X again without
> a problem -- but using the brightness keys still causes it to go blank
> again within X, while the brightness does get changed correctly on the
> console.
>
> There were no kernel messages, but this appeared in the Xorg log:

Yes, I had similar problems... for me it blanked screen on closing
lid. Problem disappeared after upgrading X...

> .config attached -- is this a known issue? In the meantime, I'm starting
> a bisection to figure out where the problem crops up.

For me CONFIG_ACPI_VIDEO never really worked...

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