> Try building your kernel with "options PMAP_REMOVE_PAGES_CURPROC_ONLY" and
> see if the panic goes away.  If that works, the problem is
> pmap_pte_quick().

I'll do ASAP. I'm at work at the moment, and the box in question is
at home :).

Thanks very much for looking into that !

> In looking at pmap_pte_quick, either it is wrong or line 2941 is wrong in
> always dereferencing pte.  pmap_pte_quick can return NULL (well 0).  It
> seems like pmap_pte_quick is wrong because vtopte() never returns NULL,
> just (PTmap + i386_btop(va)) i.e. a valid base plus some offset.


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