Sorry, I'd attached the wrong unity8.log. Now this one is the one I described above.
Hmm, and why can you ignore that the mirserver logs the same wrong information about the display for two different monitors? ** Attachment added: "unity8.log" https://bugs.launchpad.net/canonical-devices-system-image/+bug/1574777/+attachment/4660584/+files/unity8.log -- 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 -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp