Crash in Qt when resizing windows

[Matt Rogers]

On Thursday 24 August 2006 00:34, Simon Hausmann wrote:
> On Thursday 24. August 2006 02:48, Matt Rogers wrote:
> > Hi,
> >
> > While resizing the KDevelop main window, I've noticed that I see a lot of
> > the following in my debug output:
> >
> > QPixmap: Invalid pixmap parameters
> > QPainter::begin: Cannot paint on a null pixmap
>
> If these turn out to be the source of the problem setting a breaking in Qt
> where the warnings are might help to track down the reason. Or
> alternatively set QT_FATAL_WARNINGS=1 and continue from the core dump :)
>
> > And if I resize the window vertically, then I get a crash with the
> > following backtrace:
> >
> > Using host libthread_db library "/lib64/libthread_db.so.1".
> > [Thread debugging using libthread_db enabled]
> > [New Thread 47203018661040 (LWP 27716)]
> > [New Thread 1090525504 (LWP 27745)]
> > [New Thread 1082132800 (LWP 27744)]
> > [KCrash handler]
> > #5  0x00002aee48e75359 in QX11PaintEngine::updatePen (this=0x108ed720,
> >     pen=@0x7fff6294d4d0) at painting/qpaintengine_x11.cpp:1284
> > #6  0x00002aee48e7574f in QX11PaintEngine::updateState (this=0x108ed720,
> >     state=@0x109b5f90) at painting/qpaintengine_x11.cpp:1123
>
> A valgrind log would be useful, too, for the crash.
>
> Simon

I've attached the bits that valgrind spews before KDevelop crashes. 

-- 
Matt
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