Comment 2 for bug 869336

StacktraceTop:
 ?? () from /tmp/tmpcbIRCE/usr/lib/nvidia-current-updates/libnvidia-glcore.so.280.13
 UnityScreen::paintPanelShadow (this=0x18f0220, matrix=<optimized out>) at /build/buildd/unity-4.22.0/plugins/unityshell/src/unityshell.cpp:515
 UnityWindow::glDraw (this=0x25a6360, matrix=..., attrib=..., region=..., mask=0) at /build/buildd/unity-4.22.0/plugins/unityshell/src/unityshell.cpp:1610
 GLWindow::glDraw (this=0x25a4e60, transform=<optimized out>, fragment=..., region=<optimized out>, mask=0) at /build/buildd/compiz-0.9.6+bzr20110929/plugins/opengl/src/paint.cpp:1171
 GLWindow::glPaint (this=0x25a4e60, attrib=<optimized out>, transform=..., region=..., mask=0) at /build/buildd/compiz-0.9.6+bzr20110929/plugins/opengl/src/paint.cpp:1262