On Mon, 18 Sep 2006, John Klos wrote:

> Followup: I was confused about the emulated instruction problem partly
> because a standard netbsd-4 kernel (such as one from NetBSD-daily/netbsd4)
> would basically be unusable, but a kernel compiled with -m68060 doesn't
> exhibit any of the problems you're seeing.

  I suspect that you are actually getting the problems, but with a
different cache footprint, it's not noticable.  In the case where the
cache line gets flushed quickly, you need to have some debug code in
trap.c to detect multiple faults.

> Are your changes in current? I'd like to test them in netbsd-4, if you
> have a list of changed files.

  The changes are in current and have been pulled up to 4.0.