Date: Tue, 24 Jan 2012 20:03:24 -0500
From: Nick Bowler <nbowler@elliptictech.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: NFS auth_rpcgss client crash in 3.3-rc1+ (regression)
Message-ID: <20120125010323.GA11366@elliptictech.com>
References: <20120124041251.GA16952@elliptictech.com>
 <20120124164144.GA19315@elliptictech.com>
 <20120124182903.GA10964@fieldses.org>
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In-Reply-To: <20120124182903.GA10964@fieldses.org>
Sender: linux-nfs-owner@vger.kernel.org

On 2012-01-24 13:29 -0500, J. Bruce Fields wrote:
> On Tue, Jan 24, 2012 at 11:41:44AM -0500, Nick Bowler wrote:
> > On 2012-01-23 23:12 -0500, Nick Bowler wrote:
> > > I'm seeing crashes similar to the following with latest Linus' git on an
> > > NFSv4 client machine.  User home directories are NFS mounted with
> > > sec=krb5, and the crash often occurs immediately or shortly after the
> > > first successful login.  However, it does not always crash: it happens
> > > maybe 50% of the time.  Most of the time the box is dead as a result.
> > > 
> > > I see this in Linux 3.3-rc1 as well, but I've not had a chance to bisect
> > > it yet (might be tricky since it's not 100% reliable).  The server is
> > > running Linux 3.2.1.
> > 
> > I forgot to mention that this is a regression from 3.2 on the client.
> 
> Might be the same as this?:
> 
> 	http://marc.info/?l=linux-nfs&m=132734162715894&w=2

Could be.  I just built a kernel with that patch applied and it's
survived several reboots/logins so far.

Thanks,
-- 
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)