Fresh panic on reboot: Fatal trap 12: page fault while in kernel mode

Here's a cut/paste from my serial console of my SMP "build machine."

I had just finished building & installing -CURRENT after today's CVSup
(0347 - 0354 hrs. US/Pacific); the build & install was uneventful.

After the "make installworld" & "mergemaster" steps, I issued "reboot;"
here is the result.  (I'm backing up a bit so we see about 20 lines from
the console prior to the reboot.)

Additional ABI support:.
Starting cron.
Local package initialization:ldconfig: /usr/local/lib/mysql: ignoring group-writable directory
Starting apache.
 cvsupd