> I committed all our changes which were machine independent.  That's 
> why I'm confused. The last pmap.c which I've synched to is 1.50.
> 
> The relevant changes are those related to mips_flushcache_allpvh.

Mmm, unfortunately, that version doesn't fix our problem.

Both the kluge which disables cache entirely, or the kluge which
increases page size bigger than the primary cache size fixed the
problem. So I suspect this is virtual alias problem of mips primary
cache, and not fixed cleanly, yet.
--
soda