On Fri, May 31, 2002 at 04:11:34AM +0200, Martin Konold wrote:
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> On Thursday 30 May 2002 11:05 am, Stephan Kulow wrote:
> 
> Hi,
> 
> > hink it's a bug in the QT libraries, but I'm unsure.
> > The Bug only appears when clicking on KDE items,
> > mostly scrollbars. It appears mostly in Konqueror,
> 
> > I can't move the mouse, press any keys
> > or produce a beep. Nothing,
> > it's only freezen. Therefore I have to restart.
> > I doesn't matter if I scroll with the mouse or
> > touchpad with my laptop.
> 
> To me it looks like a hw dependent XFree86 bug which gets triggered by Qt/KDE. 

We had the very same bug some time ago, it was caused by the time going
backwards sometimes, which causes X and QT get confused with timestamps
which in turn caused deadlocks.

If you change X to pass out only increasing timestamps it will go away.

Ciao, Marcus