[Nouveau] Strange behavior on kde4

[Luiz Angelo Daros de Luca]

Hello,

I filled a bug in kde (4.2.2) for some drawing problems. However, as it
occurs also with virtualbox, I think this might be related to nouveau.
I use updated nouveau git + drm git without 3d. Alfter some time, plasma and
virtualbox, independently, stops to draw some parts randomly. For example,
when I pass the mouse over icons, they disapear and reapear.
If I kill plasma or vbox and open it again, it works for some time before
the same problem reocurs. This happens also with other kde aplications like
kterminal.

For plasma I got this error:


QPainter::end: Painter not active, aborted
QPainter::begin: Paint device returned engine == 0, type: 3
QPainter::setCompositionMode: Painter not active


I also reported this in:
https://bugs.kde.org/show_bug.cgi?id=189059

Does anyone has a clue where is the problem?

---
    Luiz Angelo Daros de Luca, Me.
           luizluca at gmail.com
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