I have now installed the latest "64-bit Mac (AMD64) desktop image" from http://cdimage.ubuntu.com/daily-live/current/ so I am now running "Ubuntu 14.04 LTS". Unfortunately the problem has not been solved. After suspend and resume the display is still broken.
-- 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/1303305 Title: 1002:9583 [Apple iMac8,1] Broken colors after suspend/resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1303305/+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