Re: [B.A.T.M.A.N.] [PATCH] Removing the big batman lock

On Thu, Dec 03, 2009 at 02:31:22AM +0100, Linus L??ssing wrote:

Hi Simon,

I just gave your patch a try on my laptop and could successfully, reproduceably crash my kernel in the following way:

This looks like a deadlock.

Simon: Did you try lockdep on this new code?

http://lwn.net/Articles/185666/

This should hopefully show you what locks are being taken in the wrong order. This is something i keep intending on running, but never get around to it. Now we have a probably deadlock, it might be enough reason for me to actually do it.

Andrew