I've tried two old 16.04 partitions and a freshly installed one so far, but wasn't able to reproduce the problem yet. Any additional information you can provide is highly appreciated.
Asvin, X, please post the file "/var/log/lightdm/x-0-greeter.log". There's a chance we will find an error traceback of Onboard in there. X, if you don't mind, what type of tablet is that? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1562734 Title: Onboard keyboard shows black box on login To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/onboard/+bug/1562734/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs