Fatal trap 12: page fault panic with recent kernel with ZFS

Kip Macy kmacy at freebsd.org
Tue May 19 19:43:29 UTC 2009

> I thought I was referring to that too.  :-)  I guess I thought signaling the
> pageout daemon to move vnodes from active to inactive was the way to do
> that.  Are you saying there is another caching layer of vnodes going on in
> zfs?  I'll look around for that this evening.

I apologize. Again you are correct. However, I don't see that helping.
The VM doesn't associate arc cache pages with ZFS vnodes. So I don't
see that helping in this case. We need some way of coupling the two.
The challenge with the ARC is that it caches logical disk blocks, not
file pages.


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