> > Option "AccelMethod" "EXA"
> > Option "MigrationHeuristic" "greedy"
>
> I also tried these options but they caused major visual corruption when
> trying to enable a 2nd monitor using xrandr after logon.
I set up these options and I use an external 2nd monitor and it works ok, but
it does corrupt horribly at the kdm login screen right up until the resolution
gets set properly by krandrtray.
> Whilst I understand the sentiment that the priority is a working desktop
> rather than performance, the speed this reduces a system to make it
> practically unusable as an everyday environment. Similar to others
> above, I was running KDE 4.2 under Intrepid and had no such issues, so
> this is likely a problem between kwin and the newer intel driver.
> > Option "AccelMethod" "EXA" stic" "greedy"
> > Option "MigrationHeuri
>
> I also tried these options but they caused major visual corruption when
> trying to enable a 2nd monitor using xrandr after logon.
I set up these options and I use an external 2nd monitor and it works ok, but
it does corrupt horribly at the kdm login screen right up until the resolution
gets set properly by krandrtray.
> Whilst I understand the sentiment that the priority is a working desktop
> rather than performance, the speed this reduces a system to make it
> practically unusable as an everyday environment. Similar to others
> above, I was running KDE 4.2 under Intrepid and had no such issues, so
> this is likely a problem between kwin and the newer intel driver.
I agree fully with this.