Latest ubuntu mainline linux- image-4.3.0-040300rc6-generic_4.3.0-040300rc6.201510182030_i386.deb is also affected the same way.
** Package changed: ubuntu => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1509556 Title: Kubuntu Wily upgrade screen glitch with 4.2 kernel Status in linux package in Ubuntu: New Bug description: On recent update from 15.04 to 15.10, the new 4.2 kernel is associated with graphics instability after a few seconds of GUI use with mouse and keyboard making the GUI unusable. See another person's same experience with intel graphics here: askubuntu.com/questions/688649/kubuntu-wily-upgrade-screen-glitch Downgrading to the last 15.04 kernel solves my issue. See result of ubuntu-bug linux from the terminal attached. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1509556/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp