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Date: Mon, 8 Oct 2012 10:18:39 -0400
From: "J. Bruce Fields" <bfields@fieldses.org>
To: NeilBrown <neilb@suse.de>, "Myklebust, Trond" <Trond.Myklebust@netapp.com>,
        NFS <linux-nfs@vger.kernel.org>
Subject: Re: Inconsistency when mounting a directory that 'world' cannot
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On Mon, Oct 08, 2012 at 08:54:52AM -0500, Malahal Naineni wrote:
> NeilBrown [neilb@suse.de] wrote:
> > Mount with NFSv4 and it takes about the same.  However:
> > 
> > .....
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2974
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2975
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2976
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2977
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2978
> > drwxr-xr-x 2 u2979      root 4096 Oct  8 16:19 2979
> > drwxr-xr-x 2 u2980      root 4096 Oct  8 16:19 2980
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2981
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2982
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2983
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2984
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2985
> > drwxr-xr-x 2 4294967294 root 4096 Oct  8 16:19 2986
> > ....
> > 
> > 
> > tcpdump shows the server is returning the write stuff, but something if going
> > wrong on the client.  I've tried unmounting/remounting and killing/restarting
> > rpc.idmapd.
> 
> As you know 4294967294 is (-2, nfs nobody), I have seen this issue with NFS
> server sending numeric ids by default in AUTH_SYS (commit
> e9541ce8efc22c233a045f091c2b969923709038), but the client can't handle
> them (lack of commit 5cf36cfdc8caa2724738ad0842c5c3dd02f309dc in client
> code).
> 
> I hand patched server commit, but my client was an older one. That is
> how I got into my issue. Not sure, if you are running into a similar
> issue.

Oh, could be--but then why would some of the id's still be mapped
correctly?

--b.