Any clues since 1st report ? I am also affected and will investigate as I am able to reproduce using xinit.
** Bug watch added: freedesktop.org Bugzilla #103561 https://bugs.freedesktop.org/show_bug.cgi?id=103561 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761971 Title: ps2 keyboard not working after upgrade 16.04 -> 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1761971/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs