Well, as mentioned in comment #10, this bug is not limited to the unlock screen (which happens to be a second Xorg instance if you use light- locker).
Does the workaround in bug 1757202 fix the issue for you? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1760068 Title: Wrong resolution at unlock screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/light-locker/+bug/1760068/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs