Created attachment 473543 [details] screenshot (exit Fullscreen) Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6pre) Gecko/20100909 Firefox/4.0b6pre ID:20100909041137 Repaint problem of desktop(other application) when exit Fullscreen in Win7 Classic. The image of the full screen was left. It does not happen in Wint Aero. Reproducible: Always Steps to Reproduce: 1. Start Minefield with new profile 2. Turn Fullscreen (F11) 3. Exit Fullscreen (F11) Actual Results: Repaint problem of desktop. Expected Results: Should paint properly. Regression window: Works: http://hg.mozilla.org/mozilla-central/rev/fe3a1059a92b Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6pre) Gecko/20100907 Firefox/4.0b6pre ID:20100907064516 Fails: http://hg.mozilla.org/mozilla-central/rev/3db393b691be Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b6pre) Gecko/20100906 Firefox/4.0b6pre ID:20100907083607 Pushlog: http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=fe3a1059a92b&tochange=3db393b691be
This happens Window XP too. Mozilla/5.0 (Windows NT 5.1; rv:2.0b6pre) Gecko/20100909 Firefox/4.0b6pre ID:20100909041137
Hmm, looks like that was caused by the patch in bug 575855. I'll back it out and reopen.
Now I see repaint problem with Aero Glass. When going into Fullscreen or coming out.
Created attachment 476178 [details] Win7 Aero Transition problem This happens going in or coming out of Fullscreen.