From: Trond Myklebust <trond.myklebust@fys.uio.no>
Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export.
Date: Fri, 22 Aug 2008 14:23:22 -0700
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Cc: John Ronciak <john.ronciak@gmail.com>,
	Grant Coady <gcoady.lk@gmail.com>,
	linux-kernel@vger.kernel.org, neilb@suse.de, bfields@fieldses.org,
	linux-nfs@vger.kernel.org,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Bruce Allan <bruce.w.allan@intel.com>,
	PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>,
	John Ronciak <john.ronciak@intel.com>,
	e1000-devel@lists.sourceforge.net
To: Ian Campbell <ijc-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>
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On Fri, 2008-08-22 at 21:00 +0100, Ian Campbell wrote:
> On Fri, 2008-08-22 at 12:33 -0700, John Ronciak wrote:
> > On Fri, Aug 22, 2008 at 11:13 AM, Ian Campbell <ijc-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org> wrote:
> > 
> > >> That's probably also a networking device driver issue candidate: your
> > >> RPC task is queued up waiting to be sent.
> > >>
> > >> What networking card+device driver are you using here?
> > >
> > > # ethtool -i eth0
> > > driver: e1000
> > > version: 7.3.20-k2-NAPI
> > > firmware-version: N/A
> > > bus-info: 0000:01:0a.0
> > There is nothing indicating that the NIC/driver is causing any sort of
> > problem here, at least not with what has been presented so far.  When
> > the NFS mount isn't working is the networking still active and
> > working?
> 
> So far as I can tell, yes. I can login via ssh so long as the user
> doesn't have NFS $HOME, I haven't tried much else and the box isn't
> locked up at the moment, I'd bet it's fine though.

...and the server? Something is preventing that RPC payload from being
delivered...

Trond