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SubjectRe: 2.6.17-rc4-mm3 cfq oops->panic w. fs damage
On Mon, May 29 2006, Mike Galbraith wrote:
> On Sun, 2006-05-28 at 10:24 +0200, Mike Galbraith wrote:
> > On Sun, 2006-05-28 at 10:03 +0200, Mike Galbraith wrote:
> >
> > > Yup, mm3 makes reliable kaboom.
> > >
> > > I suppose the first thing to do is see if it's cfq, and then maybe toss
> > > a dart at the patch list.
> >
> > That was too easy. It's git-cfq.patch.
>
> Too easy indeed.
>
> After staring at these changes, and not having anything poke me in the
> eye that looked like it might cause list corruption, I decided to try
> them in a different kernel. I put them into 2.6.16-rt25, and there they
> work peachy. A diff of 2.6.16-rt25+git-cfq.patch->2.6.17-rc4-mm3 shows
> what I was expecting (locking changes), but it's embedded in ~1000 lines
> of diff, and doesn't look particularly trivial.
>
> Hi Jens <punt> :)

I'm suspecting a recent -mm change, since git-cfq hasn't changed in
quite a while and it used to work just fine. Can you pass me the diff
you generated?

--
Jens Axboe

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