unexpected logout

[Dj YB]

On Wednesday November 11 2009 09:13:08 Ed Greshko wrote:
> Dj YB wrote:
> >> The point being made it that it is quite unlikely that a conventional,
> >> controlled logout has occurred.   Chances are good that the X server
> >> crashed or gdm crashed.  Those things that crash will not bring down the
> >> system but they will get restarted and present you with a login screen.
> >> This may lead you to conclude something logged you out.
> >>
> >> Did you check the log as Tim suggested?
> >
> > yes, I didn't understand much
> > what should i look for?
> 
> I haven't had an X crash in several years....  However, each time the X
> server is started a new Xorg.0.log is started and the previous one is
> moved to Xorg.0.log.old.  So, any errors logged at the time of the crash
> would be in Xorg.0.log.old.
> 
> So, have a look in that file and see if anything pops out at you.  If
> not, then consider posting the last 50 lines or so.
> 
> FWIW, in my case there was nothing ever recorded in any log file.  I
> don't recall what finally lead me to replace the power supply...but it
> wasn't my first move by any means.
> 

well I have looked, and I still have no idea what I am reading...
the log is attached if anyone wish to take a look it is not long.
I really thank you and who ever will read this log and get a clue as to what 
is going on wrong.
again thanks,
YB.
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