On Fri, 19 Feb 2016 03:20:18 +0100
Sl�vek Banko <slavek.banko@...> wrote:

> > OK so I don't know what tdekbdledsync is for but that was definitely the
> > problem. I will write a script to kill that then turn on the back light
> > thanks. I will also keep an eye out for any downsides to killing that
> > process.
> >
> > Thanks all.
> 
> tdekbdledsync has the task to synchronize the LED status between the
> Xserver and the keyboard.
> 

And as a side effect it complete blocks any attempts to manipulate LEDs
from software. Including f.e. grp_led option to xkb. Unsynchronized LEDs is
a very uncommon problem, i would say much more uncommon than using of
grp_led. So starting it should be at least optional.


-- 
  Nick Koretsky (nick.koretsky@...)