#0  0xb032adc0 in compiz::MinimizedWindowHandler::minimize() () from /tmp/apport_sandbox_2delpI/usr/lib/compiz/libunityshell.so
No symbol table info available.
#1  0xb031cf66 in unity::UnityWindow::computeGlowQuads(nux::Rect const&, GLTexture::List const&, int) () from /tmp/apport_sandbox_2delpI/usr/lib/compiz/libunityshell.so
No symbol table info available.
#2  0x0a6a2fa8 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)