From: Alexander Duyck <alexander.h.duyck@intel.com>
To: David Miller <davem@davemloft.net>
Cc: eric.dumazet@gmail.com, chris2553@googlemail.com,
netdev@vger.kernel.org, gpiez@web.de, davej@redhat.com
Subject: Re: Possible networking regression in 3.6.0
Date: Tue, 02 Oct 2012 14:14:00 -0700 [thread overview]
Message-ID: <506B5918.605@intel.com> (raw)
In-Reply-To: <20121002.142502.1702895723099297167.davem@davemloft.net>
On 10/02/2012 11:25 AM, David Miller wrote:
> From: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Tue, 02 Oct 2012 17:48:39 +0200
>
>> [PATCH] ipv4: properly cache forward routes
>>
>> commit d2d68ba9fe8 (ipv4: Cache input routes in fib_info nexthops.)
>> introduced a regression for forwarding.
>>
>> This was hard to reproduce but the symptom was that packets were
>> delivered to local host instead of being forwarded.
>>
>> Add a separate cache (nh_rth_forward) to solve the problem.
>>
>> Many thanks to Chris Clayton for his patience and help.
>>
>> Reported-by: Chris Clayton <chris2553@googlemail.com>
>> Bisected-by: Chris Clayton <chris2553@googlemail.com>
>> Reported-by: Dave Jones <davej@redhat.com>
>> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Thanks for figuring this out, I'll think about this more
> deeply.
I think something may have been missed in this patch.
With it applied to net-next I am unable to remove the ixgbe driver after
running a routing traffic test. The specific message I am getting is:
unregister_netdevice: waiting for eth2 to become free. Usage count = -7
Thanks,
Alex
next prev parent reply other threads:[~2012-10-02 21:13 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-17 15:44 Possible networking regression in 3.6.0 Chris Clayton
2012-09-18 14:21 ` Chris Clayton
2012-09-18 14:31 ` Chris Clayton
2012-09-18 14:40 ` Eric Dumazet
2012-09-18 15:51 ` Chris Clayton
2012-09-19 15:26 ` Chris Clayton
2012-09-22 6:26 ` Chris Clayton
2012-09-27 11:50 ` Chris Clayton
2012-09-27 12:14 ` Eric Dumazet
2012-09-27 18:05 ` Chris Clayton
2012-09-27 21:03 ` Eric Dumazet
2012-09-27 21:17 ` Eric Dumazet
2012-09-28 6:53 ` David Miller
2012-09-28 9:14 ` Chris Clayton
2012-09-28 9:22 ` Chris Clayton
2012-09-28 11:26 ` Eric Dumazet
2012-09-28 14:28 ` Chris Clayton
2012-09-30 15:26 ` Chris Clayton
2012-09-30 19:45 ` Eric Dumazet
2012-10-01 8:36 ` Chris Clayton
2012-10-01 9:15 ` Eric Dumazet
2012-10-01 15:13 ` Chris Clayton
2012-10-01 15:31 ` Eric Dumazet
2012-10-01 16:19 ` Chris Clayton
2012-10-01 16:37 ` Eric Dumazet
2012-10-01 18:28 ` Chris Clayton
2012-10-01 18:34 ` Captain Obvious
2012-10-01 19:21 ` Eric Dumazet
2012-10-01 19:55 ` Chris Clayton
2012-10-01 19:22 ` Chris Clayton
2012-10-01 19:34 ` Dave Jones
2012-10-01 20:01 ` David Miller
2012-10-01 20:04 ` Eric Dumazet
2012-10-02 15:27 ` Edivaldo de Araújo Pereira
2012-10-02 15:35 ` Eric Dumazet
2012-10-02 15:48 ` Eric Dumazet
2012-10-02 15:57 ` Dave Jones
2012-10-02 16:06 ` Eric Dumazet
2012-10-02 18:25 ` David Miller
2012-10-02 21:14 ` Alexander Duyck [this message]
2012-10-02 21:35 ` Eric Dumazet
2012-10-02 23:24 ` Julian Anastasov
2012-10-03 3:10 ` David Miller
2012-10-03 15:01 ` Chris Clayton
2012-10-03 20:57 ` Julian Anastasov
2012-10-03 7:28 ` [PATCH] udp: increment UDP_MIB_NOPORTS in mcast receive Eric Dumazet
2012-10-03 12:45 ` David Stevens
2012-10-03 13:15 ` Eric Dumazet
2012-10-03 14:09 ` David Stevens
2012-10-03 15:29 ` Eric Dumazet
2012-10-03 17:31 ` David Stevens
2012-10-03 19:30 ` David Miller
2012-10-03 17:39 ` Rick Jones
2012-10-03 2:55 ` Possible networking regression in 3.6.0 David Miller
2012-10-04 11:25 ` [PATCH] ipv4: add a fib_type to fib_info Eric Dumazet
2012-10-04 13:08 ` Chris Clayton
2012-10-04 13:32 ` Eric Dumazet
2012-10-04 18:14 ` David Miller
2012-09-18 14:44 ` Possible networking regression in 3.6.0 Chris Clayton
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