It's probably this: https://bugs.launchpad.net/mir/+bug/1506846
-- 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/1511538 Title: 1/2 screen on external monitor Status in canonical-pocket-desktop: New Status in Mir: New Status in mir package in Ubuntu: Confirmed Status in qtmir package in Ubuntu: Confirmed Bug description: using N7 latest PD image connect bt mouse and keyboard connected to monitor opened several apps (clock, msg, phone, browser, twitter, u-s-s, terminal, camera, gallery, calculator, pathwind) - did quite a bit of window moving, max, min, close, relaunch after a while, disconnected n7 from monitor, then reconnected only 1/2 the screen on the monitor was used disconnected, reconnected, still only 1/2 the screen used, possible low mem ? To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-pocket-desktop/+bug/1511538/+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