On Fri, 2012-03-23 at 09:31 -0400, J. Bruce Fields wrote:
> On Fri, Mar 23, 2012 at 08:12:08AM -0400, J. Bruce Fields wrote:
> > On Wed, Mar 21, 2012 at 09:52:04AM -0400, Jeff Layton wrote:
> > > Add a new top-level dir in rpc_pipefs to hold the pipe for the clientid
> > > upcall.
> >
> > After applying this patch, my tests consistently hang. The hang happens
> > in excltest (of the special connectaton tests), over nfs4.1 and krb5.
> > Looking at the wire traffic, I'm seeing DELAY returned from a setattr
> > for mode on a newly-created (with EXCLUSIVE4_1) file. That open got a
> > delegation, so presumably that's what's causing the DELAY, though I'm
> > not seeing the server send a recall. That could be a krb5 bug.
> >
> > Whatever bug there is here, it's hard to tell why this patch in
> > particular would make it more likely.
> >
> > So, still investigating!
>
> Reproduceable by:
>
> mount -osec=krb5,minorversion=1 server:/export/ /mnt/
> cp cthon04/special/excltest /mnt/
> cd /mnt
> ./excltest
Umm... When would you ever get a DELAY in the above scenario? I can see
getting an NFS4ERR_OPENMODE, but not DELAY.
--
Trond Myklebust
Linux NFS client maintainer
NetApp
Trond.Myklebust@xxxxxxxxxx
www.netapp.com
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