I am using Qt 4.7.3 and Qt Creator on a linux hub machine. I was having issues while installing Qt 4.8, so I installed QtSDK with Qt4.7 and QtCreator 2.2.1. This version of Qt Creator runs fine.

Now I want to get the latest release source code of Qt Creator, and compile it. And problems begin - it is very slow.

I have tried to compile Qt Creator 2.4, and it is also slow.
I have tried to compile Qt Creator 2.2, and - it is fast.

When I say slow, I mean editor is slow. When I want to scroll document down, it takes him around 0.5-1 second to redraw entire screen. In Qt Creator 2.2 it is very fast.

What is wrong. How do I make it run faster. I have tried starting it (in command line) with:

./qtcreator -graphicssystem raster

and (2.6 compiled source) is still slow

When I do:

./qtcreator -graphicssystem opengl

he returns error saying

using visual class 4, id 39
QPixmap::handle(): Pixmap is not an X11 class pixmap
QPixmap::handle(): Pixmap is not an X11 class pixmap
Segmentation fault

How to make Qt Creator 2.6 run fast as 2.2 does?

Regards,
Petar