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

* Miles Lane <[email protected]> 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.

	Ingo
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• Follow-Ups:
  • 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
    • From: "Miles Lane" <[email protected]>

• References:
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  • 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
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