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Date: Mon, 14 Feb 2011 20:08:55 -0500
To: Tino Keitel <tino.keitel@tikei.de>
Cc: linux-nfs@vger.kernel.org
Subject: Re: 2.6.38-rc3: kernel BUG at fs/nfsd/nfs4state.c:3132!
Message-ID: <20110215010855.GA25245@fieldses.org>
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From: "J. Bruce Fields" <bfields@fieldses.org>
Sender: linux-nfs-owner@vger.kernel.org
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On Fri, Feb 11, 2011 at 12:41:06AM +0100, Tino Keitel wrote:
> On Thu, Feb 10, 2011 at 16:36:32 -0500, J. Bruce Fields wrote:
> > On Wed, Feb 09, 2011 at 11:04:27PM +0100, Tino Keitel wrote:
> > > Hi,
> > > 
> > > I get the following error with kernel 2.6.38-rc3 during normal file access via
> > > NFS v4. The underlying FS is ext4, if that matters.
> > > 
> > > At least one other user seems to have the same problem:
> > > http://pastebin.com/QRq1TMkj
> > 
> > Thanks for the report.
> > 
> > > 
> > > <0>------------[ cut here ]------------
> > > kernel BUG at fs/nfsd/nfs4state.c:3132!
> > 
> > This is a bit odd: v2.6.38-rc3 doesn't have a BUG on line 3132 of
> > fs/nfsd/nfs4state.c.
> 
> Mine does:
> 
> $ git show | head -n 5 ; echo ; head -n 3132 fs/nfsd/nfs4state.c | tail -n 1
> commit ebf53826e105f488f4f628703a108e98940d1dc5
> Author: Linus Torvalds <torvalds@linux-foundation.org>
> Date:   Tue Feb 1 13:05:49 2011 +1000
> 
>     Linux 2.6.38-rc3
> 
> 			BUG_ON(!*filpp);
> $
> 
> This is vanilla upstream source.

Yes, apologies, that was my mistake; please see

	git://linux-nfs.org/~bfields/linux.git for-2.6.38

for the fix.

--b.