Possible problem with qt 4.6.0 and compositing.

[Eli Wapniarski]

Hi All

Just a heads up cause I haven't finished my diagnostics. But I suspect that there is a problem with the qt 4.6.9 and kwin compositing....

OBSERVATIONS
------------------
Been playing a full screen game under wine quiet frequently. Now... thankfully I am able to play the game across both my screens (2560x1024) without X crashing. Dunno if its because of improvements with newer versions of NVidia driver, KDE 4.3.2 or because of qt 4.6.0. In any case. The problem is that the game freezes after awhile. Checked to make sure there wasn't some problem because of the screen resolution and reverted back to 1280x1024 the game still froze. Then I checked if the freeze was caused by an update to the video driver so I reverted back to an older version of the driver which I know that the game played without freezing.. But, unfortunately the game froze again. So I completely switched off kde desktop effects (compositing) and no more freezes.

I now need to revert back to the older version of qt and see what happens. Until the qt update I have had no freezing.

So.... just giving everyone a heads up and will report back here within a day or two.


Eli

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