Blocks/lines around areas of the screen that are changing may just be bug 1898080.
** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1896091 Title: [i915] graphic corruption following orkqueue: PF_MEMALLOC task 131(kswapd0) is flushing !WQ_MEM_RECLAIM events_unbound:active_work [i915] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1896091/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
