this is what happens if I just disable the second screen before removing it
** Attachment added: "kwin oops1.png" https://bugs.launchpad.net/ubuntu/+bug/1131510/+attachment/3540958/+files/kwin%20oops1.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1131510 Title: kwin mistakes desktop size after removing second screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1131510/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs