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From: Jeremy Fitzhardinge <jeremy@goop•org>
To: David Miller <davem@davemloft•net>
Cc: johannes@sipsolutions•net, netdev@vger•kernel.org,
	dongxiao.xu@intel•com, Xen-devel@lists•xensource.com,
	Ian.Campbell@citrix•com, kaber@trash•net, eric.dumazet@gmail•com
Subject: Re: softirq warnings when calling dev_kfree_skb_irq - bug in conntrack?
Date: Tue, 03 Aug 2010 12:16:39 -0700	[thread overview]
Message-ID: <4C586B17.8090604@goop.org> (raw)
In-Reply-To: <20100803.002318.209965574.davem@davemloft.net>

  On 08/03/2010 12:23 AM, David Miller wrote:
> From: Johannes Berg<johannes@sipsolutions•net>
> 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@gmail•com>
>> 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

Reverting this change fixes the problem for me.

Thanks,
     J


      parent reply	other threads:[~2010-08-03 19:16 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-02 18:54 softirq warnings when calling dev_kfree_skb_irq - bug in conntrack? Jeremy Fitzhardinge
2010-08-03  7:04 ` Johannes Berg
2010-08-03  7:23   ` David Miller
2010-08-03 15:24     ` Jeremy Fitzhardinge
2010-08-03 19:16     ` Jeremy Fitzhardinge [this message]

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