I take it back. On Mir's android platform the predictive bypass optimization will never delay rendering by more than 10ms at most. So an incorrect EDID won't stop Mir from compositing. Although there might be deeper Android code that is confused by the invalid refresh rate reported by the monitor...
Equally possible is a bug in Unity8/QtMir causing the black screen... ** Also affects: qtmir (Ubuntu) Importance: Undecided Status: New ** Also affects: unity8 (Ubuntu) Importance: Undecided Status: New ** Tags added: multimonitor -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1574777 Title: tablet connected to monitor shows black screen - Idek Iiyama PL2409HD To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1574777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs