1684240 seems to be the same issue. In my case this can be reproduced under Kubuntu with Nvidia.
-- 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/1677540 Title: corrupted mouse pointer icon Status in Canonical System Image: New Status in Mir: New Status in libsdl2 package in Ubuntu: Confirmed Status in mir package in Ubuntu: Confirmed Status in xorg-server package in Ubuntu: Confirmed Bug description: Ubuntu 17.04 unity8 corrupted mouse pointer icon (see attaches screenshot, the mouse pointer is hovering places/Home on the file manager app, the orange block/square) mostly i see when i run apps with Xmir, maybe stuff that uses SDL, mpv, neverball and it's only the arrow pointer, the rest are not affected, resize arrows etc To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1677540/+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