On Thu, 2008-06-03 at 21:25 +0100, Jarek Poplawski wrote:

quoted text
> It's really strange: I can't reproduce this, 

I couldnt either - are you using 2.6.25-rc4?

quoted text
> and if it were so easy we
> would get really a lot of similar reports. It looks like you have
> something special. This lockdep report with this kind of problem
> usually looks different too. The good side is it's easy to reproduce.
> So, could you try the patch below? (It's only supposed to fix the lockdep
> warning, not lockups).

This is more out of ignorance: Why is ifb needing the extra teaching for
lockdep? It is a netdevice - shouldnt the two global lockdeps you
described earlier not be sufficient?

cheers,
jamal

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