This bug just reappeared with xf86-video-intel-2.21.10. Next thing I am going to try is this commit you've posted above.
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1144558 Title: Images corruption in firefox when using "sna" To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1144558/+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