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SubjectRe: [REGRESSION] nfsd crashing with 3.6.0-rc7 on PowerPC
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On Fri, Sep 28, 2012 at 04:19:55AM +0200, Alexander Graf wrote:
>
> On 28.09.2012, at 04:04, Linus Torvalds wrote:
>
> > On Thu, Sep 27, 2012 at 6:55 PM, Alexander Graf <agraf@suse.de> wrote:
> >>
> >> Below are OOPS excerpts from different rc's I tried. All of them crashed - all the way up to current Linus' master branch. I haven't cross-checked, but I don't remember any such behavior from pre-3.6 releases.
> >
> > Since you seem to be able to reproduce it easily (and apparently
> > reliably), any chance you could just bisect it?
> >
> > Since I assume v3.5 is fine, and apparently -rc1 is already busted, a simple
> >
> > git bisect start
> > git bisect good v3.5
> > git bisect bad v3.6-rc1
> >
> > will get you started on your adventure..
>
> Heh, will give it a try :). The thing really does look quite bisectable.
>
>
> It might take a few hours though - the machine isn't exactly fast by today's standards and it's getting late here. But I'll keep you updated.

I doubt it's anything special about that workload, but just for kicks I
tried a "git clone -ls" (cloning my linux tree to another directory on
the same nfs filesystem), with server on 3.6.0-rc7, and didn't see
anything interesting (just an xfs lockdep warning that looks like this
one jlayton already reported:
http://oss.sgi.com/archives/xfs/2012-09/msg00088.html
)

Any (even partial) bisection results would certainly be useful, thanks.

--b.


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