netdev - Re: patch "net: deliver skbs on inactive slaves to exact matches" stalls nfs mounts

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Message-ID: <AANLkTilPhEimzqFTShuhDagR4axuGwhcL5m7m_ETFvw_@mail.gmail.com>
Date:	Wed, 16 Jun 2010 19:11:26 -0400
From:	Fred Isaman <iisaman@...app.com>
To:	John Fastabend <john.r.fastabend@...el.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	NFS list <linux-nfs@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: patch "net: deliver skbs on inactive slaves to exact matches" 
	stalls nfs mounts

On Wed, Jun 16, 2010 at 6:36 PM, John Fastabend
<john.r.fastabend@...el.com> wrote:
> Fred Isaman wrote:
>>
>> I am using vmware fusion 3.1.0 on a macbook pro host with a fedora 12
>> guest running a 2.6.35-rc3 based kernel,  Upgrading from rc2 to rc3
>> introduced a long delay when the guest attempts an nfs mount (~120
>> secs).  Reverting patch 597a264b1a9c7e36d1728f677c66c5c1f7e3b837
>> "net: deliver skbs on inactive slaves to exact matches" changes back
>> to normal behavior.
>>
>> Fred
>
> This should be fixed here,

OK, thanks.

Fred

>
> From e897082fe7a5b591dc4dd5599ac39081a7c8e482 Mon Sep 17 00:00:00 2001
> From: John Fastabend <john.r.fastabend@...el.com>
> Date: Sun, 13 Jun 2010 10:36:30 +0000
> Subject: [PATCH] net: fix deliver_no_wcard regression on loopback device
>
> deliver_no_wcard is not being set in skb_copy_header.
> In the skb_cloned case it is not being cleared and
> may cause the skb to be dropped when the loopback device
> pushes it back up the stack.
>
> Signed-off-by: John Fastabend <john.r.fastabend@...el.com>
> Acked-by: Eric Dumazet <eric.dumazet@...il.com>
> Tested-by: Markus Trippelsdorf <markus@...ppelsdorf.de>
> Signed-off-by: David S. Miller <davem@...emloft.net>
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