unexpected logout

[Dj YB]

On Wednesday November 11 2009 00:55:45 Ed Greshko wrote:
> Tim wrote:
> > On Tue, 2009-11-10 at 22:26 +0200, Dj YB wrote:
> >> many times it happens to me that while working, suddenly the session
> >> just end and I get the kde welcome screen.
> >> I have tried to look for a way to understand what triggers this but
> >> with no luck, I have no idea where to look, what file logs this kind
> >> of events, how can I see what program/process caused the logout...?
> >
> > Hint:  ls /var/log/Xorg*
> >
> > If it bombed out while you were idle, the usual suspect is a screen
> > saver (a buggy one, or one finding a bug in your graphics driver).
> 
> In addition, I had a power supply go wonky that ended up being the culprit.
> 
well, i am pretty curtain my power supply is good, but say I want to be sure 
as to what caused the logout, where can I see which process \ application 
triggered it?
thanks
YB.