acpi=off disables Fn key combinations on ThinkPad

[Satish Balay]

On Wed, 22 Sep 2004, Chris Leith wrote:

> Configuration: FC3T2 with kernel 2.6.8-1.584
> 
> Using acpi=off in the kernel command line (to disable acpi and use apm
> instead) causes the Fn key (and any combinations) on my ThinkPad T41 to
> not respond. Even things like tpb package (can be used in conjunction
> with xosd to show an on screen volume level, for example) no longer work
> when acpi=off is used. Without acpi=off tpb works fine and some of the
> Fn key combinations are registered. I prefer to use apm, however.
> Previously, using acpi=off worked flawlessly (suspend to ram using apm,
> all Fn key combos working) with a 2.6.6 kernel in FC2.
> 
> Can anyone shed some light on this change in behaviour?

ACPI suspend works fine for you? It doesn't on my T40. (with both 541
& 584 kernels)

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=133105
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=133176

Satish