Re: NFSERR_STALE on umount with 3.10.0.RC5 kernel

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On Tue, 2013-06-18 at 07:47 -0600, Christopher T Vogan wrote:
> The new linux 3.10.0-rc5 kernel gets NFSERR_STALE on un-mount.
> The reason is the Linux client is sending a GETATTR after the umnt 
> call/reply.
> This is a network trace of the umnt call/reply and the gettattr 
> afterwords.

This happens because the 'umount.nfs' utility calls the umnt RPC before
the actual umount system call.

Why would this trigger an NFSERR_STALE? Is the server using UMNT for
something other than just providing client usage stats? If so, what and
why?

-- 
Trond Myklebust
Linux NFS client maintainer

NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com
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