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From: John Baldwin <jhb@freebsd.org>
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 lev@freebsd.org
Date: Wed, 7 Sep 2011 17:21:42 -0400
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Cc: Garrett Cooper <yanegomi@gmail.com>
Subject: Re: -CURRENT (BETA2) nfs client surprise
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On Wednesday, September 07, 2011 5:02:47 pm Lev Serebryakov wrote:
> Hello, Garrett.
> You wrote 8 =F1=E5=ED=F2=FF=E1=F0=FF 2011 =E3., 0:55:11:
>=20
> > It needs to be changed to NFSCL:
>=20
> > $ svngrep -r NFSCL /sys/i386/conf/GENERIC
> > options         NFSCL                   # New Network Filesystem Client
> > options         NFS_ROOT                # NFS usable as /, requires NFS=
CL
>   Yep, I found it in seconds, but after that kernel + nanobsd image
>  rebuild takes considerable amount of time.
>=20
> > I think the nomenclature change was done s.t. clients using old NFS
> > implementations didn't require any changes in their KERNCONF files.
>  It is not true. I'm using old KERNCONF (with only NFSCLIENT) and old
> fstab (Without any NSF vversion options) -- and got error on boot due
> to unmountable file system! Of course, if this system had had full set
> of modules, this situation would have masked by transparent loading of
> nfscl.ko.

You can't rely on using kernel configs unchanged across major releases.

=2D-=20
John Baldwin