Fatal trap 12: page fault panic with recent kernel with ZFS
kmacy at freebsd.org
Tue May 19 03:12:54 UTC 2009
> But I trigger it based on kmem thresholds. See arc_reclaim_pages().
> I can try to put together a smaller patch tomorrow evening that signals the
> pager based on size vs. c target. The main reason I didn't implement it in
> my previous patch was because I was concerned with the arc being prevented
> from growing at all once its been shrunk. It only grows when size exceeds
> its current target by a certain amount. This may require some careful
> balancing or hysteresis or something.
I was actually referring to your comment about telling the ARC to tell
ZFS to reclaim cached vnodes. Not that the kmem changes aren't good,
but I don't think they're necessary on amd64.
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