I believe I have corrected this by changing my refresh rate from 59.99 Hz to 59.86 Hz.
Is this a requirement for 2560x1600 resolution on DL-DVI? Should this perhaps be communicated upstream to someone who knows better? -- 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/1756484 Title: Screen flickers and small moving artifacts To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1756484/+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

