Neil Widdowson, given this works in Unity, and Cinnamon, but not in Mate and KDE, I'm suspecting a compositing issue of the window manager, versus kernel or graphics driver issue. I'll change packages for now for a review of this.
** Package changed: xorg (Ubuntu) => kwin (Ubuntu) ** Changed in: kwin (Ubuntu) Status: Incomplete => New ** Summary changed: - Screen + Videos flicker in Kubuntu -- 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/1515995 Title: Videos flicker in Kubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1515995/+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