[ZFS] panic vm_fault : fault on no fault entry

Freddie Cash fjwcash at gmail.com
Thu Sep 17 15:23:32 UTC 2009


On Thu, Sep 17, 2009 at 7:50 AM, Patrick Lamaiziere
<patfbsd at davenulle.org>wrote:

> Le Thu, 17 Sep 2009 21:35:22 +1000,
> Aristedes Maniatis <ari at ish.com.au> a écrit :
>
> > On 17/09/09 9:21 PM, Patrick Lamaiziere wrote:
> > > /boot/loader.conf
> > > # ZFS
> > > vm.kmem_size="512M"
> > > vm.kmem_size_max="512M"
> > > vfs.zfs.arc_max="40M"
> > > vfs.zfs.vdev.cache.size="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.
-- 
Freddie Cash
fjwcash at gmail.com


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