em(4) broken in HEAD?

[K. Macy]

I'm seeing watchdog resets on em(4) in my VMWare as of the last day or two.

>
>
> I don't use ipfw, aliases or anything other than stock networking. I
> was unable to copy a large image off the VM without getting an
> unending stream of watchdog resets which could only be fixed by a
> reboot. Fortunately a subsequent IFC fixed it  as of ~15 hours ago.
>

I take that back. It's still happening. That's too bad I had been
hoping to announce the Skylake i915 CFT tonight.
-M