> Does anyone know the date this started?

>>>> Is m68030 support known to work at the moment?
>>>
>>>  I can't say that I know it works - I don't have a 68020 or 68030.  I did
>>> make a change recently that may have broken on 68030.  The netbsd-4 pullup
>>> was on May 23, and the HEAD change was committed on May 12.

It's most likely due to a change in the last month. I'll be able to 
confirm this later on today.

John