A fix for the dreaded isadmaattach panic.  The reason was actually quite obscure, many, many thanks to art@ for finding my bug, which only hit people having about 2300-2500 pages in the buffercache.
A fix for the dreaded isadmaattach panic.  The reason was actually quite
obscure, many, many thanks to art@ for finding my bug, which only hit people
having about 2300-2500 pages in the buffercache.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars