Please try this:
restart unity8 MIR_CLIENT_INPUT_RECEIVER_REPORT=log tail -f ~/.cache/upstart/unity8.log
and see if Unity8 actually is still receiving input events with relative data (dx, dy) when the problem occurs.
Please try this:
restart unity8 MIR_CLIENT_ INPUT_RECEIVER_ REPORT= log upstart/ unity8. log
tail -f ~/.cache/
and see if Unity8 actually is still receiving input events with relative data (dx, dy) when the problem occurs.