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Date: Sat, 04 Aug 2012 11:09:06 -0400
From: Bryan Schumaker <bjschuma@netapp.com>
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To: William Dauchy <wdauchy@gmail.com>
CC: David Howells <dhowells@redhat.com>,
        Trond Myklebust <Trond.Myklebust@netapp.com>,
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        "Schumaker, Bryan" <Bryan.Schumaker@netapp.com>
Subject: Re: nfs_idmap_legacy_upcall
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On 08/04/2012 06:26 AM, William Dauchy wrote:
> On Fri, Aug 3, 2012 at 2:08 PM, William Dauchy <wdauchy@gmail.com> wrote:
>> 4697bd5:NFSv4: Fix a race in the net namespace mount notification
> 
> this one didn't help. still getting a wait_for_key_construction oops.
> I opened a second thread about it, first thinking this was two
> different issues
> will dig it a bit more
> 

What are you doing to reproduce this?  I'm having bash run mount / unmount in a loop, but so far I haven't seen the oops.  Also, are you using kerberos?

- Bryan