The issue is no longer present as of firefox 49 shipped by ubuntu. (Using firefox-mozilla-build, the issue was resolved as of version 46.) No graphics updates whatsoever from 14.04 (xserver-xorg-video-intel 2:2.99.910-0ubuntu1) should be necessary.
** Changed in: firefox (Ubuntu) Status: Confirmed => Fix Released -- 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/1314924 Title: Adressbox Entries unreadable: Grey/Black Mask overlaying text To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1314924/+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