Date: Wed, 24 Apr 2013 10:01:52 -0400
From: "J. Bruce Fields" <bfields@fieldses.org>
To: Malte =?utf-8?B?U2NocsO2ZGVy?= <maltesch@gmx.de>
Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: NFS4 sec=krb5 broken in 3.9-rc8
Message-ID: <20130424140152.GA9794@fieldses.org>
References: <5176E715.2070201@gmx.de>
 <20130423215807.GL3676@fieldses.org>
 <51777494.8010306@gmx.de>
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On Wed, Apr 24, 2013 at 07:58:44AM +0200, Malte Schröder wrote:
> On 23.04.2013 23:58, J. Bruce Fields wrote:
> > On Tue, Apr 23, 2013 at 09:55:01PM +0200, Malte Schröder wrote:
> >> Hi,
> >> when I update my server from kernel 3.8.5 to 3.9-rc8 I cannot mount its
> >> NFS exports from clients using nfs4 and sec=krb5. Using sec=sys works,
> >> using 3.8.5 also works good with both modes.
> > 
> > Could you get a network trace showing the failure
> > 
> > Run
> > 
> > 	tcpdump -s0 -wtmp.pcap
> > 
> > then send us tmp.pcap.
> > 
> > (You can also take a look at tmp.pcap yourself in wireshark--it may be
> > obvious where the failure occurs.)
> > 
> > --b.
> > 
> 
> The trace is attached. It contains two tries, the first using sec=sys,
> the second sec=krb5. I used "mount -tnfs -overs=4,sec=krb5 gateway:/
> /mnt". NFS-Utils have version 1.2.6.

Looks like the context creation succeeds and then the first use of the
new context (a PUTROOTFH+GETATTR) never gets a response.

Nothing interesting in the server's logs?

--b.
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