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Message-ID: <a44ae5cd0607050056g6a17f676sc766fc79cbd65951@mail.gmail.com>
Date: Wed, 5 Jul 2006 00:56:03 -0700
From: "Miles Lane" <miles.lane@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Subject: Re: 2.6.17-mm4 + hostap + pcmcia + lockdep -- possible recursive locking detected -- (af_callback_keys + sk->sk_family#3){-.-?}, at: [<c119d8db>] sock_def_readable+0x15/0x69
Cc: "Andrew Morton" <akpm@osdl.org>, LKML <linux-kernel@vger.kernel.org>,
       "Arjan van de Ven" <arjan@infradead.org>
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On 7/2/06, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Miles Lane <miles.lane@gmail.com> wrote:
>
> > >> ok, lockdep should allow same-class read-lock recursion too, because
> > >> it's used by real code and is being relied upon. Could you try the patch
> > >> below? [...]
> > >
> > >the patches are also included in the latest -mm5 combo patch at:
> > >
> > >  http://redhat.com/~mingo/lockdep-patches/lockdep-combo-2.6.17-mm5.patch
> >
> > I have not seen this particular INFO message show up again.
>
> you know that the validator produces only one message per bootup, right?
> So unless you rebooted meanwhile, not seeing more messages after the
> first one is normal.
>
> > Therefore, I haven't tested your latest patch yet.  I wanted to
> > determine whether this problem would occur often.  If you like I can
> > go ahead and test the patch anyhow.  I am currently testing mm5 + the
> > pcmcia patch and the hostap patch.  I am looking into a crashing
> > (system lockup) bug that is triggered by removing my Linksys USB
> > 10/100 Ethernet adapter.  This problem is 100% repeatable.  I am
> > working on setting up a remote debugging configuration.
> >
> > Would you like me to go ahead and test your latest patch?
>
> no hurries - just pick it up whenever you go to a new kernel.

Looks good here.  Thanks!

           Miles