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Date: Thu, 17 Sep 2009 08:23:30 -0700
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From: Freddie Cash <fjwcash@gmail.com>
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Subject: Re: [ZFS] panic vm_fault : fault on no fault entry
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On Thu, Sep 17, 2009 at 7:50 AM, Patrick Lamaiziere
<patfbsd@davenulle.org>wrote:

> Le Thu, 17 Sep 2009 21:35:22 +1000,
> Aristedes Maniatis <ari@ish.com.au> a =C3=A9crit :
>
> > On 17/09/09 9:21 PM, Patrick Lamaiziere wrote:
> > > /boot/loader.conf
> > > # ZFS
> > > vm.kmem_size=3D"512M"
> > > vm.kmem_size_max=3D"512M"
> > > vfs.zfs.arc_max=3D"40M"
> > > vfs.zfs.vdev.cache.size=3D"5M"
> >
> > I believe that ever since 7.2 (and definitely in 8) these settings
> > are no longer needed and the auto-tuning of ZFS is superior to
> > setting them explicitly. At any rate the arc_max looks really really
> > small.
>
> Well, Without it panics too. I'm on i386, not amd64.
>

Manual tuning is still needed on i386, especially if there's less than 2 GB
of RAM.
--=20
Freddie Cash
fjwcash@gmail.com