Black screen problem

Lamarque V. Souza Lamarque.Souza.ext at basyskom.com
Tue Apr 24 23:09:31 UTC 2012


Em Tuesday 24 April 2012, Lamarque V. Souza escreveu:
> 	Hi all,
> 
> 	I have been trying to debug this problem and it is Powerdevil's kded
> module that is causing it. Doing "mv /usr/lib/kde4/kded_powerdevil.so
> /root" and rebooting workarounds the problem. Now we need to know why
> Powerdevil is doing that. I think it is trying to dimm the display, the
> backlight helper it uses to do that is failing according to
> ~/.xsession-errors, maybe that has something to do with the problem.

	Moving only /usr/lib/kde4/libexec/backlighthelper also workarounds the 
problem. I think one of the commits below from kde-workspace is affecting us:

b9ccb5c97718d17db255e51002d858d5f8fc36e3 
38255bfe57458f961a4e913633ccccfe4d19c542
5257ff19aa3e779a9e07cc49ee82cca7a051b558

	I tried to disable dimming using "kcmshell4 powerdevilprofilesconfig" 
but it did not solved the problem.

-- 
Lamarque V. Souza
http://www.basyskom.com/
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