AFAIK this bug has been around a long time. It definitely predates the NBS feature so MIR_SERVER_NBUFFERS probably won't help.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ubuntu-keyboard in Ubuntu. https://bugs.launchpad.net/bugs/1590765 Title: OSK flickers and buttons are sometimes invisble Status in Canonical System Image: Confirmed Status in Mir: New Status in ubuntu-keyboard package in Ubuntu: Confirmed Status in unity8 package in Ubuntu: Incomplete Bug description: Latest rc-propoced image r348 for BQ E5, OSK kb buttons are often invisible (pressing white part will refresh it and buttons are visible again) and OSK flickers a lot. To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1590765/+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