Re: [Oops-report] problem with ath9k at shutdown

["Luis R. Rodriguez" <lrodriguez@atheros.com>]

On Mon, May 17, 2010 at 10:41:40PM -0700, Huub Reuver wrote:
> On Mon, May 17, 2010 at 01:24:04PM -0400, John W. Linville wrote:
> > On Mon, May 17, 2010 at 09:55:31AM -0700, Luis R. Rodriguez wrote:
> > > On Mon, May 17, 2010 at 07:32:41AM -0700, John W. Linville wrote:
> > > > Did you try 2.6.34?  I'm pretty sure we merged a fix for this...
> > > 
> > > Ditto, and I think it was not related to ath9k but mac80211.
> > > 
> > > Was it this maybe?
> > > 
> > > commit a9f042cbe5284f34ccff15f3084477e11b39b17b
> > > Author: Ming Lei <tom.leiming@gmail.com>
> > > Date:   Sun Feb 28 00:56:24 2010 +0800
> > > 
> > >     ath9k: fix lockdep warning when unloading module
> > > 
> > > Johannes had noted:
> > > 
> > > "I think the problem is that the locking for sta_notify changed, and a
> > > patch that was written for the new locking was backported to the old,
> > > irq-disabled, locking."
> > 
> > Yeah, maybe that is what I was thinking about....
> 
> The traces do not look similar to me, but I'm not a programmer.
> 
> I have done a few tests:
> 2.6.32.9 not affected
> 2.6.32.13 affected
> 2.6.33.3 affected
> 2.6.33.4 affected
> 2.6.34 the problem seems to have been fixed.
> 
> Sorry for my slow report and response.
> Thanks for your quick answer, I'll have to switch to 2.6.34 for a 
> production kernel. 

Eh, I am not sure what happened here... this must've been a fix
regression as I do not recall seeing this on earlier 2.6.32.y releases.
Can you try an earlier 2.6.32.y?

  Luis