Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:5660 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751225Ab2HGPM5 (ORCPT ); Tue, 7 Aug 2012 11:12:57 -0400 Message-ID: <50213076.7060003@netapp.com> Date: Tue, 07 Aug 2012 11:12:54 -0400 From: Bryan Schumaker MIME-Version: 1.0 To: Joerg Roedel CC: Joerg Roedel , Trond Myklebust , linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org, wdauchy@gmail.com Subject: Re: kernel BUG at /data/lemmy/linux.trees.git/fs/nfs/idmap.c:681! References: <20120807134156.GP1996@amd.com> <50211E42.6040808@netapp.com> <20120807141548.GG1917@8bytes.org> <5021237D.1010107@netapp.com> <20120807142707.GH1917@8bytes.org> <502127EF.3030209@netapp.com> <20120807145019.GI1917@8bytes.org> In-Reply-To: <20120807145019.GI1917@8bytes.org> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 08/07/2012 10:50 AM, Joerg Roedel wrote: > On Tue, Aug 07, 2012 at 10:36:31AM -0400, Bryan Schumaker wrote: >> Your stack trace is showing v4 calls on the failing box, those >> definitely shouldn't be happening if you're using v3. Can you double >> check /etc/fstab and /proc/mounts on a working kernel to be sure? > > So the bug is probably (for whatever reason) that the nfs4 path is > called for an nfs3 mount :) That's what I'm thinking. If you're not using v4, what happens if you turn CONFIG_NFS_V4 off in your .config for the broken machine? I still haven't been able to trigger the bug, even with your .config, so I'm going to keep poking at it. - Bryan > Anyway, I attach /proc/mounts and /etc/fstab from that box running a > v3.5-rc5 kernel (where it works). Thanks. I don't see anything weird in there. You're using the same settings for the other machine, too? > > > Joerg >