David Miller wrote:
From: Patrick McHardy <kaber@xxxxxxxxx>
Date: Mon, 21 Jul 2008 22:51:53 +0200
David Miller wrote:
From: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
Date: Mon, 21 Jul 2008 15:38:47 -0500
David Miller wrote:
No further backtrace? That will tell us what driver is causing
this.
Yes, I have a full backtrace.
It starts with possible recursive locking in NetworkManager, and goes directly
into the Warning - this came from a later pull of Linus's tree.
That helps a lot, I'm looking at this now.
I'm guessing this needs similar lockdep class initializations
to _xmit_lock since it essentially has the same nesting rules.
Yes, I figured that out just now :-)
Maybe something like the following should do it?
It looks correct in any case. I'm not sure whether it fixes
this lockdep warning though, according to the backtrace and
module list its b43 and dev_mc_sync in net/mac80211/main.c
that are causing the error, which don't seem to be included
in your patch. I'm unable to find where it previously
initialized the xmit_lock lockdep class though, so I must
be missing something :)
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