> I noticed this recently, but don't remember it happening "a while
> ago" (So it may be hardware going bad, or a break in -current, or
> SMP borking ntpd...)  Anyone else seeing this?  My LX running 1.6
> is fine, but this SS20 doesn't seem to like to keep time well.
>
> (Could it be because I have an SM81 for cpu0 and an SM71 for cpu1?)

I've seen this too. If you run `ntpdate -d' at regular intervals on an
otherwise not so busy machine, you'll probably see sudden lapses in
the reported clock offset values.

-pk