ok, went back to 159, verified no issue after several reboots. updated only qtmir/qtubuntu to the very latest and the issue appeared on the first reboot.
so these 2 changes are the suspects https://code.launchpad.net/~unity-team/qtmir/revert-occlusion-detection/+merge/277049 https://code.launchpad.net/~unity-team/qtubuntu/revert-occlusion-detection/+merge/277048 ** Changed in: qtmir (Ubuntu) Importance: Undecided => High ** No longer affects: unity8 (Ubuntu) ** Also affects: qtubuntu Importance: Undecided Status: New ** Changed in: qtubuntu Importance: Undecided => High ** Changed in: canonical-devices-system-image Assignee: Pat McGowan (pat-mcgowan) => kevin gunn (kgunn72) ** Changed in: qtubuntu Assignee: (unassigned) => Nick Dedekind (nick-dedekind) ** Changed in: qtmir (Ubuntu) Assignee: (unassigned) => Nick Dedekind (nick-dedekind) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1515356 Title: After a boot the dash doesn't display until touched Status in Canonical System Image: Confirmed Status in qtubuntu: New Status in qtmir package in Ubuntu: New Bug description: Saw this on 162 and 163 MX4 also on krillin and mako Get the update and reboot to install, open the greeter, there is a blank screen with just the bottom edge hint touch the screen and it displays the scope contents immediately Also reproduces frequently after reboot To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1515356/+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