Affects me too. Computer is completely unusable, the bug is critical I think. :(
Kubuntu 16.04 with all updates, nvidia-340 (the same stuff with open drivers), kkursor@remotehost:~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) 02:00.0 VGA compatible controller: NVIDIA Corporation GT218M [GeForce 310M] (rev a2) kkursor@remotehost:~$ uname -a Linux remotehost 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux On my laptop the screen shuts off frequently with same messages in logs, and I noticed - when it's off, when I press any of the F* buttons, the laptop suspends. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1560804 Title: kscreen reports change of primary screen without apparent reason To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1560804/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs