Re: 2.6.22.1 Oops in put_nfs_open_context

From: Dr. David Alan Gilbert
Date: Tue Aug 07 2007 - 08:59:55 EST


* Trond Myklebust (trond.myklebust@xxxxxxxxxx) 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@xxxxxxxxxxx> 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.

<snip>

> >
> > We did a list operation on an already-deleted list_head.
> >
> > That code has changed a lot between 2..22 and 2.6.23-rc2. Hopefully for the
> > better, although I can't immediately find a commit in there which looks like
> > it addresses this bug.
>
> I believe this fix should address it.

OK, I've got 2.6.23-rc2 with that patch up and running on one of the
boxes; we'll see how long it survives.

Dave
--
-----Open up your eyes, open up your mind, open up your code -------
/ Dr. David Alan Gilbert | Running GNU/Linux on Alpha,68K| Happy \
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