Re: 2.6.22.1 Oops in put_nfs_open_context

[Andrew Morton <akpm@linux-foundation.org>]

On Mon, 06 Aug 2007 14:19:54 -0400 Trond Myklebust <trond.myklebust@fys.uio.no> wrote:

> On Mon, 2007-08-06 at 11:01 -0700, Andrew Morton wrote:
> > On Mon, 6 Aug 2007 11:08:13 +0100 "Dr. David Alan Gilbert" <linux@treblig.org> wrote:
> > 
> > >   The oops below is from one of a pair of machines that run compiles;
> > > they're not managing to stay up for more than a day or two at a time
> > > this is the first time I've actually managed to capture an oops from one.
> > > They lock to the point where they still ping, and they won't toggle
> > > capslock.  A top left running on them showed it sitting with pdflush
> > > using 99% CPU.
> > > 
> > >   Config at the bottom.  The hardware are supermicro X7DVA boards with
> > > 2x Xeon 5140's. (These Supermicro bios don't appear to have the PCI-Express
> > > coalesce option being discussed in another thread).
> > > 
> 
> ...
>
> I believe this fix should address it.

Neat, and that's already in 2.6.23-rc2.  Please consider sending something
to stable@kernel.org when the dust has settled.  David, it would be great if
we could get confirmation, please..

> From: Trond Myklebust <Trond.Myklebust@netapp.com>
> Subject: No Subject
> Date: Thu, 26 Jul 2007 12:06:17 -0400
> 
> We need to grab the inode->i_lock atomically with the last reference put in
> order to remove the open context that is being freed from the
> nfsi->open_files list.

Your patches have lost their titles btw.
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