On Thu, 18 Feb 2016 08:29:50 -0500
"Pisini, John" <pisinij@...> wrote:

> I have a CM devastator keyboard with back lighting. This keyboard uses the
> scroll lock key to turn the light on and off. On my system running Ubuntu
> under other desktop environments like Mate or KDE I can turn the back
> light on using xset led 3 and I usually have it scripted to turn on after
> I log in. Under Trinity doing xset led 3 causes the keyboard to flash
> really quickly once and then the light goes off. Is there something
> holding the keyboard under Trinity? Is there a way to use the back light?
> 

I have suspicion that this is caused by tdekbdledsync. Try killing it. This
daemon is extremely weird solution to a very uncommon problem and for
whatever reason AFAIK there is no way to disable it "correctly". I have 

sudo killall tdekbdledsync

in autostart to deal with this bullshit

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