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

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to mir in Ubuntu.
https://bugs.launchpad.net/bugs/1574777

Title:
  tablet connected to monitor shows black screen - Idek Iiyama PL2409HD

Status in Canonical System Image:
  New
Status in Mir:
  New
Status in mir package in Ubuntu:
  New
Status in qtmir package in Ubuntu:
  New
Status in unity8 package in Ubuntu:
  New

Bug description:
  When connecting my M10 device to my monitor (Idek Iiyama PL2409HD),
  the monitor shows that there is a signal on hdmi, but the screen stays
  black.

To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1574777/+subscriptions

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