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Date: Mon, 24 Oct 2011 15:55:41 +0000
From: David Flynn <davidf@rd.bbc.co.uk>
To: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: David Flynn <davidf@rd.bbc.co.uk>, linux-nfs@vger.kernel.org,
        Chuck Lever <chuck.lever@oracle.com>
Subject: Re: NFS4 BAD_STATEID loop (kernel 3.0.4)
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* Trond Myklebust (Trond.Myklebust@netapp.com) wrote:
> Date: Mon, 24 Oct 2011 17:31:42 +0200
> From: Trond Myklebust <Trond.Myklebust@netapp.com>
> To: David Flynn <davidf@rd.bbc.co.uk>
> Cc: linux-nfs@vger.kernel.org, Chuck Lever <chuck.lever@oracle.com>
> X-Mailer: Evolution 3.0.3 (3.0.3-1.fc15) 
> Organization: NetApp Inc
> Subject: Re: NFS4 BAD_STATEID loop (kernel 3.0.4)
> 
> On Mon, 2011-10-24 at 14:50 +0000, David Flynn wrote: 
> > No.     Time            Source                Destination           Protocol Size  Info
> >      39 15:33:59.077143 172.29.190.28         172.29.120.140        NFS      370   V4 COMPOUND Call (Reply In 40) <EMPTY> PUTFH;WRITE;GETATTR
> > 
> > Frame 39: 370 bytes on wire (2960 bits), 370 bytes captured (2960 bits)
> > Ethernet II, Src: ChelsioC_07:49:6f (00:07:43:07:49:6f), Dst: All-HSRP-routers_be (00:00:0c:07:ac:be)
> > Internet Protocol, Src: 172.29.190.28 (172.29.190.28), Dst: 172.29.120.140 (172.29.120.140)
> > Transmission Control Protocol, Src Port: omginitialrefs (900), Dst Port: nfs (2049), Seq: 40433, Ack: 7449, Len: 304
> > Remote Procedure Call, Type:Call XID:0x43ce4e16
> > Network File System
> >     [Program Version: 4]
> >     [V4 Procedure: COMPOUND (1)]
> >     Tag: <EMPTY>
> >         length: 0
> >         contents: <EMPTY>
> >     minorversion: 0
> >     Operations (count: 3)
> >         Opcode: PUTFH (22)
> >             filehandle
> >                 length: 36
> >                 [hash (CRC-32): 0x6e4b15f3]
> >                 decode type as: unknown
> >                 filehandle: 7df3a75d5e1cd908000ab44c5b000000efc80200000a0300...
> >         Opcode: WRITE (38)
> >             stateid
> 
> Do you have an example of the stateid argument's value? Does it change
> at all between separate WRITE attempts?

Looking at two captures done an hour apart, no, i see no change.
(a packet capture has been supplied privately)

Regards,

..david