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From: David Miller <davem@davemloft.net>
Subject: Re: [GIT] Networking
Date: Sat, 14 Aug 2010 19:28:02 -0700 (PDT)
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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sat, 14 Aug 2010 11:05:54 -0700

> Anyway, the lock warning I do get seems to be networking-related, and
> is appended. Does this ring any bells? It could easily be something
> old: I turn on lock debugging only when I look for bugs (or when
> people point out bugs that I've created :^/ )
> 
> The only thing that seems to be related that google can find is pretty
> recent too: a report from Valdis Kletnieks about this apparently
> happening on e1000e too (Subject "mmotm 2010-08-11 - lockdep whinges
> at e1000e driver ifconfig up"). So it does seem to be pretty recent.
> 
> Hmm? Everything obviously still works, but judging by the lockdep
> report this might be a deadlock situation (lock taken in softirq _and_
> outside softirq without disabling bhs)

I'll take a look.