Comment 111 for bug 1010794

Another oddity, on a system with cairo 1.12.0 when I try to view a powerpoint with Libre Office I can see the slides and edit them Ok, but if I try to view the slideshow (like I was giving the presentation for real) then the screen freezes and becomes unresponsive. If I click the mouse enough times I eventually get the black slide with "click to exit presentation...". It seems Libre Office is behaving as though it is showing the presentation but I can't see it, the screen stays the same as it was before when I was editing the slides. On an otherwise identical system with cairo 1.10.2 Libre Office behaves as expected, I get the slide show. I guess that when Libre Office is giving the presentation it uses a full screen overlay that uses cairo? I don't know if it's the same bug as this or a different bug in cairo 1.12.0 but it may be related.