Comment 2 for bug 749840

StacktraceTop:
 Launcher::Launcher(nux::BaseWindow*, CompScreen*, char const*, int) () from /usr/lib/compiz/libunityshell.so
 GLWindow::glPaint (this=0x276ac80, attrib=..., transform=..., region=..., mask=4) at /build/buildd/compiz-0.9.4git20110322/plugins/opengl/src/paint.cpp:1216
 FadeWindow::glPaint (this=0x276bb30, attrib=..., transform=..., region=..., mask=0) at /build/buildd/compiz-0.9.4git20110322/plugins/fade/src/fade.cpp:195
 GLWindow::glPaint (this=0x276ab90, attrib=..., transform=..., region=..., mask=0) at /build/buildd/compiz-0.9.4git20110322/plugins/opengl/src/paint.cpp:1216
 PrivateGLScreen::paintOutputRegion (this=0x16dc000, transform=..., region=..., output=<value optimized out>, mask=1) at /build/buildd/compiz-0.9.4git20110322/plugins/opengl/src/paint.cpp:349