[ltp] Brightness buttons (T60)

[Scott Rushforth]

I also experience this sometimes due to a udev update.  Ultimately the
permissions on /dev/nvram need to be accesible by your user.  I think
the software (like tpb) polls /dev/nvram for changes.  

cheers

-Scott


On Tue, 06 Mar 2007 16:38:15 +0100
Adrian Bastholm <adrian@javaguru.org> wrote:

> I experienced similar behaviour on my R50e under Debian. I was using
> all the ibm stuf you can download, amongst others ibm_acpi, and so
> on, and my volume buttons were not working any more. It seems like
> one of those control programs/modules needs another module, "nvram"
> to be inserted. Do a "modprobe nvram" and try again, if it doesn't
> work try "modprobe ibm_acpi" and then "modprobe nvram". Keep an eye
> on the dmesg log and see what happens,
> Good luck
> 
> Chris Schumann wrote:
> > I have Fedora Core 6 on my T60, and after a recent "update" the
> > brightness buttons no longer work.
> >
> > If I bring up the power manager preferences, dragging the slider
> > does change the brightness, and pressing the button on a console
> > shows a notification, but the brightness doesn't change.
> >
> > Is this a known problem? What is the best fix?
> >
> > Thanks,
> > Chris
> >
> >
> >
> >