After further investigation, this is an effect of the following bug: https://code.google.com/p/chromium/issues/detail?id=339493 .
** Bug watch added: code.google.com/p/chromium/issues #339493 http://code.google.com/p/chromium/issues/detail?id=339493 ** Package changed: xserver-xorg-video-intel (Ubuntu) => chromium- browser (Ubuntu) ** Changed in: chromium-browser (Ubuntu) Status: Incomplete => New -- 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/1314028 Title: Graphical glitches with SNA enabled on Intel graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1314028/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

