ZFS kmem_map too small.

[Claus Guttesen]

> I was able to reproduce the panic by rsyncing big files and trying
> bonnie++ test suggested in this thread.
>
> Can you guys retry with this patch:
>
>         http://people.freebsd.org/~pjd/patches/vm_kern.c.2.patch
>
> It's a hack, yes, but allows to mitigate the problem quite well. I'm
> looking for a solution that can be used for 7.0 before we find a better
> fix.

Congrats Pawel! You made my server survive my rsync of 90 GB. :-)

This is on same src as the one that required a reboot except for your
patch. So this fix does 'alleviate kmem_map too small' in my case.

-- 
regards
Claus

When lenity and cruelty play for a kingdom,
the gentlest gamester is the soonest winner.

Shakespeare