Re: panic: pmap_zero_page: CMAP3 busy

On Sat, 11 Oct 2003, Don Lewis wrote:

> On 11 Oct, Steve Kargl wrote:
> > Upgrade tonight (7pm PST) and received the following
> > on rebooting
> >
> > panic: pmap_zero_page: CMAP3 busy
> >
> > Unfortunately, this system does not have a serial
> > console and the panic locked it up tight.  Only
> > a hard reset brought the system back.
>
> I was just about to type "make installworld" when I got this message
>
> I checked the commit logs and didn't see any recent commits that looked
> suspicious, and since I do have a serial console I decided to throw
> caution to the wind and give the new kernel a try.
>

I had this very same panic which happened right after commits to
locore.s and machdep.c.  Reverting back to the previous versions (with
everything else up-to-date) let it boot without panicking.

-Bryan