It looks like it's a bug in the DRM/Intel driver: https://bugs.freedesktop.org/show_bug.cgi?id=91393
** Bug watch added: freedesktop.org Bugzilla #91393 https://bugs.freedesktop.org/show_bug.cgi?id=91393 -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to plasma-desktop in Ubuntu. https://bugs.launchpad.net/bugs/1514167 Title: Plasma screen flickering on lower resolutions after upgrade to Kubuntu 15.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/plasma-desktop/+bug/1514167/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs
