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From: "David S. Miller" <davem@redhat.com>
To: Bart De Schuymer <bdschuym@pandora.be>
Cc: shemminger@osdl.org, schulz@schwaar.com, scott.feldman@intel.com,
	jgarzik@pobox.com, bridge@osdl.org
Subject: Re: [Bridge] Re: [more info] Re: [2.4.22] bad interaction between e100 and bridge: BUG at dev.c:991!
Date: Tue, 2 Sep 2003 11:17:29 -0700	[thread overview]
Message-ID: <20030902111729.1791f2ad.davem@redhat.com> (raw)
In-Reply-To: <200309022023.16397.bdschuym@pandora.be>

On Tue, 2 Sep 2003 20:23:16 +0200
Bart De Schuymer <bdschuym@pandora.be> wrote:

> A pristine 2.4.22 doesn't have bridge-netfilter.

This is true.

> I don't see how bridge-netfilter would be involved anyway, altering
> a packet doesn't automagically trigger checksum recalculation.

You don't understand the problem.

When a packet gets received, if the hardware checksums the packet
it sets skb->ip_summed.  If you take that SKB and want to transmit
it you have to reinitialize the skb->ip_summed field or else things
explode.

  reply	other threads:[~2003-09-02 18:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <p05111b01bb728bc8972e@[10.96.96.13]>
2003-08-27 20:28 ` [Bridge] Re: [2.4.22] bad interaction between e100 and bridge: BUG at dev.c:991! Stephen Hemminger
2003-08-28 20:24   ` [Bridge] [more info] " Hannes Schulz
2003-08-31  2:01     ` [Bridge] " David S. Miller
2003-09-02 17:45       ` Stephen Hemminger
2003-09-02 18:23         ` Bart De Schuymer
2003-09-02 18:17           ` David S. Miller [this message]
2003-09-05 18:30       ` [Bridge] [PATCH 2.4] bridging and hw checksum fix Stephen Hemminger
2003-09-03 14:56   ` [Bridge] Re: [2.4.22] bad interaction between e100 and bridge: BUG at dev.c:991! Hannes Schulz
2003-09-03 15:38     ` Stephen Hemminger
2003-09-03 16:49     ` Bart De Schuymer

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