On Thu, May 5, 2011 at 4:06 AM, Lorenzo Marussi <i...@lorenzomarussi.it> wrote: > Hello, > > I use Gentoo/LInux OS, with lastest Qt4.7.2 ebuilds, > and a Nvidia card or intel graphics (and mesa) > > when I run qmlviewer with "opengl" params, > or I use QGLwidget viewport in my app, > I get this error: > > "qmlviewer[6399]: segfault at 1763 ip b6a73630 sp bfa0ee00 error 4 in > libQtGui.so.4.7.4[b6887000+a1e000]"
If you build Qt with debugging symbols enabled then maybe you can see where exactly the fault is occurring here. You said you're using 4.7.2 but this error says 4.7.4. Do you have mixed Qt versions around in your system somewhere? Maybe it's pulling in the wrong one.
