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From: Tom Parkin <tparkin@katalix.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv
Date: Tue, 16 Apr 2013 21:20:22 +0100	[thread overview]
Message-ID: <20130416202022.GB2545@raven> (raw)
In-Reply-To: <1365702804.3887.180.camel@edumazet-glaptop>

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On Thu, Apr 11, 2013 at 10:53:24AM -0700, Eric Dumazet wrote:
> On Thu, 2013-04-11 at 09:32 -0700, Eric Dumazet wrote:
> 
> > Short update : I do not understand yet why this patch is not working.
> > 
> > Normally, the reassembled packet should get the dst from the last skb
> > (the one completing the packet)...
> > 
> > I have to make more experiments.
> 
> OK I think I've nailed it, please try following patch (I tried it on
> net-next, but it should apply on previous kernels)
> 
> Thanks !

Thanks Eric, I've tested this patch here and it looks good.  Usually I
see an oops within 30 mins or so with my workload, but with this
change I've run for over two hours with no issues.

-- 
Tom Parkin
Katalix Systems Ltd
http://www.katalix.com
Catalysts for your Embedded Linux software development

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  parent reply	other threads:[~2013-04-16 20:20 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-07 22:36 [RFC PATCH] prevent oops in udp rcv path Tom Parkin
2013-03-07 22:36 ` [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv Tom Parkin
2013-03-07 22:47   ` Eric Dumazet
2013-03-07 23:15     ` David Miller
2013-03-13 23:27       ` Tom Parkin
2013-03-14  1:18         ` Eric Dumazet
2013-03-14 14:45           ` Tom Parkin
2013-03-14 15:05             ` Eric Dumazet
2013-03-14 15:29               ` Eric Dumazet
2013-03-14 16:14                 ` Tom Parkin
2013-03-23 10:31                   ` Damien Wyart
2013-03-23 15:09                     ` Eric Dumazet
2013-04-11 16:32                 ` Eric Dumazet
2013-04-11 17:53                   ` Eric Dumazet
2013-04-11 22:26                     ` Eric Dumazet
2013-04-12 22:32                       ` David Miller
2013-04-12  7:04                     ` Tom Parkin
2013-04-16 20:20                     ` Tom Parkin [this message]
2013-04-16 22:55                       ` [PATCH] net: drop dst before queueing fragments Eric Dumazet
2013-04-17  5:15                         ` David Miller
2013-04-16 22:56                       ` [RFC PATCH] udp: don't rereference dst_entry dev pointer on rcv Eric Dumazet

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