> There haven't been that many changes to mv88e8xxx since 5.0-rc6. > I reverted 7c0db24cc431 ("dsa: mv88e6xxx: Ensure all pending interrupts > are handled prior to exit") who looked like a candidate and bingo: > network is working again. Obviously something is wrong with this patch.
O.K. I tested it on an edge interrupt system, but not a level interrupt. I wounder if it is related to that somehow? DTU should be using level interrupts. Andrew