[vtkusers] Rendering in a thread causes "Xlib: unexpected async reply"

[Stefan Bruckner]

Hi. I'm using vtk 4.0 and Qt 3.0.5 (utilizing Carsten Kuebler's vtk_qt)
on a Linux system. I want to perform rendering in a seperate QThread.
But calling the vtkRenderWindow::Render() method results in "Xlib:
unexpected async reply" errors.
 
I have found out that this happens because of X's limited
multi-threading support ... 
>From a google search I have seen, that some other people have
experienced this behaviour.
 
Is this possible at all? If yes, can anybody give me a hint how to do
it?
Does it work with current nightly-builds from CVS?
 
I hope someone can help me with this.
 
Thanks,
Stefan Bruckner
 
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