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Date:      Fri, 26 Oct 2012 08:28:40 +0200
From:      Yamagi Burmeister <lists@yamagi.org>
To:        pyunyh@gmail.com
Cc:        freebsd-fs@freebsd.org
Subject:   Re: Can not read from ZFS exported over NFSv4 but write to it
Message-ID:  <20121026082840.0e909c4ea1c694ac99ef39d9@yamagi.org>
In-Reply-To: <20121026221508.GA1463@michelle.cdnetworks.com>
References:  <20121023204623.a1eef4f99b5f786050229b6c@yamagi.org> <1579346453.2736080.1351029315835.JavaMail.root@erie.cs.uoguelph.ca> <20121024213602.b727c557f0332f28a66f87cc@yamagi.org> <20121025180344.GC3267@michelle.cdnetworks.com> <20121025191745.7f6a7582d4401de467d3fe18@yamagi.org> <20121026173847.GA3140@michelle.cdnetworks.com> <20121026080727.af2c29a4eb00b6ef0308eeb2@yamagi.org> <20121026221508.GA1463@michelle.cdnetworks.com>

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On Fri, 26 Oct 2012 15:15:08 -0700
YongHyeon PYUN <pyunyh@gmail.com> wrote:

> On Fri, Oct 26, 2012 at 08:07:27AM +0200, Yamagi Burmeister wrote:
> > On Fri, 26 Oct 2012 10:38:47 -0700
> > YongHyeon PYUN <pyunyh@gmail.com> wrote:
> > =20
> > > Thanks the info.
> > > Would you try attached patch?
> >=20
> > Still the same problem. With TSO enabled, the NFS4 mount
> > stalls when writing to it. Without it works as aspected.
>=20
> I have no longer access to age(4) controller so it's hard to verify
> the issue on my box.
> Can you post an URL for captured packets on both sender(age(4)) and
> receiver side with tcpdump?

http://deponie.yamagi.org/freebsd/misc/age0_pcap.tar.xz

sender_age0.pcap is the age0 device on the NFS4 server.=20
receiver_em0.pcap is a em0 NIC on the NFS4 client.

Those files were created by:
1. Mount the NFS4 export on the client
2. Try to copy a file onto it.
3. Forcefully unmount the NFS4 export on the client

--=20
Homepage:  www.yamagi.org
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