StacktraceTop:glLightfv () from /usr/lib/libGL.so.1 OpenGlWidget (this=0x8eb4438, parent=0x8eb4278, k3dsurface (this=0xbfce8330, parent=0x0, name=0x0, fl=1) main (argc=0, argv=0x13cc1) at main.cpp:38
StacktraceTop: glLightfv () from /usr/lib/libGL.so.1
OpenGlWidget (this=0x8eb4438, parent=0x8eb4278,
k3dsurface (this=0xbfce8330, parent=0x0, name=0x0, fl=1)
main (argc=0, argv=0x13cc1) at main.cpp:38