Le samedi 14 juillet 2012 11:57:03 Hans Muecke a écrit :
> Am 14.07.2012 10:34, schrieb Martin Bednar:
> > Le samedi 14 juillet 2012 06:41:54 Hans Muecke a écrit :
> >>
> >>
> >> Started with setting up the desktop and tried to activate desktop
> >>
> >> effects via schift-alt-f12 and bamm! Everything upside down again, the
> >>
> >> screen flipped again, as I could tell from the control bar on the left
> >>
> >> side of the screen and the open system-settings window. Funny "side
> >>
> >> effect" .. while visually flipped I still had to click in the areas,
> >>
> >> where all the buttons are supposed to be (hope you understand what I am
> >>
> >> talking about ... :-) )
> >
> > This is the most interesting part. What graphic card/driver (optionally
> > acceleration method) are you using? This is only the output that is
>
> It's a GeForce GT 545 with the NVIDIA driver ...
>
> > flipped, KDE and X know nothing about it. Try running an OpenGL
> > appllication (preferrably fullscreen, with kwin effects disabled). My
> > guess is that it too will be flipped.
> >
> > To check that it isn't a weird kwin bug, create a new user, and try
> > enabling effects there.
>
> Same result ... when enabling desktop effects using OpenGL screen flips,
> while everything works fine with XRender.
>
> > 1 solution workaround you already found :
> >> Since you mentioned OpenGL I chchanged the composite type to Xrender and
> >>
> >> I don't the problem there (means I can activate effects without the
> >>
> >> flipping of the screen).
> >
> > the other would be to change/update a part of the graphics stack.
>
> Any idea which?
Well, the first thing I'd do is change the current driver : either update
(downgrade) the binary blob, or try the nouveau driver.
Martin
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