On Wed, Jun 06, 2018 at 01:42:15PM +0800, Yi Zhang wrote: > Here is the output, and I can see "HotPlug+ Surprise+" on SltCap Thanks. That looks like a perfectly capable port. I even have the same switch in one of my machines, but the test doesn't trigger fatal firmware-first errors. Might need to query something about the platform to know how it treats link-downs before proceeding with the test (don't know off the top of my head; will do some digging).