Timo asked that I try 4.6 so i grabbed http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6.3-yakkety/ now with 4.6.3-040603-generic problem does not seem present.
So, short summary of what i've tested when paired with xserver-xorg-core at 2:1.18.4-1ubuntu1: BAD: 4.4.0-24-generic BAD: 4.4.0-31-generic GOOD: 4.6.3-040603-generic GOOD: 4.7.0-040700rc6-generic -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1604819 Title: screen goes completely black during usage then comes back To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1604819/+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