Comment 8 for bug 190585

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Thomas Kluyver (takluyver) wrote :

Putting this under linux-restricted-modules, as I suspect it's related to fglrx.

Re-opening, because I see the same thing in Hardy, using kwin-kde4 with compositing features enabled. I suspect that it may be related to 3d acceleration, hence why Alexei found it didn't occur with metacity.

Kubuntu-KDE4 Hardy, ATI Mobility Radeon X600 with fglrx drivers from repositories (hardy-backports).