the attached image is of "ubuntu.com" there you can see, that also backgrounds are getting coruppted from time to time.
PS: i've deactivated "Hardware boost" in firefox in [Options] --> [Erweitert / Extended / The last tab] --> Browsing ** Attachment added: "firefox_image_corruption_02.jpg" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1194478/+attachment/3713449/+files/firefox_image_corruption_02.jpg ** Also affects: firefox (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1194478 Title: firefox image corruption To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1194478/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp