[Xen-devel] Re: softirq warnings when calling dev_kfree_skb_irq - bug in conntrack?

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

 On 08/03/2010 12:23 AM, David Miller wrote:
> From: Johannes Berg<johannes@xxxxxxxxxxxxxxxx>
> Date: Tue, 03 Aug 2010 09:04:34 +0200
>
> > I had this too:
> > http://article.gmane.org/gmane.linux.network/167590
> >
> > But I'm not convinced it's conntrack, I'd think it's
> >
> > commit 15e83ed78864d0625e87a85f09b297c0919a4797
> > Author: Eric Dumazet<eric.dumazet@xxxxxxxxx>
> > Date:   Wed May 19 23:16:03 2010 +0000
> >
> >      net: remove zap_completion_queue
> >
> > which, from the looks of it, ought to be reverted because it failed to
> > take into account that dev_kfree_skb() can do more things that require
> > non-irq-context than just calling skb->destructor, like for instance the
> > conntrack thing we see here.
> Agreed.  I'll revert this and queue that up for 2.6.35-stable
FWIW I only see this in linux-next, not released 2.6.35.  But it does 
look like a likely root cause.
    J

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel