From: "David S. Miller" <davem@davemloft.net>
To: David Woodhouse <dwmw2@infradead.org>
Cc: ag@roxor.be, linux-kernel@vger.kernel.org
Subject: Re: iMac G3 IPv6 issue
Date: Sun, 12 Sep 2004 15:58:50 -0700 [thread overview]
Message-ID: <20040912155850.0e8fd0b5.davem@davemloft.net> (raw)
In-Reply-To: <1095011851.4995.54.camel@localhost.localdomain>
On Sun, 12 Sep 2004 18:57:31 +0100
David Woodhouse <dwmw2@infradead.org> wrote:
> On Sun, 2004-09-12 at 15:39 +0200, Aurélien GÉRÔME wrote:
> > I put IPv6 support, but the console is flooded by a lot of:
> > hw tcp v6 csum failed
> > However, IPv6 works, and IPv4 packets do not have this kind of issue.
> > The network card is a Sun Gem. It is kind of weird to see bad packets.
>
> I use the sungem in a similar machine with IPv6, and haven't seen any
> problems. Can you tcpdump from a different machine on the network and
> confirm whether these reported bad checksums really are happening or if
> it's the fault of the hardware/driver?
One thing that's interesting is that the sungem and sunhme
drivers are the only two in the whole tree that support
IPV6 checksum offload. Like David, I have never seen this
problem on Sparc systems using the GEM chip and this
driver.
next prev parent reply other threads:[~2004-09-12 23:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-12 13:39 Aurélien GÉRÔME
2004-09-12 13:51 ` Aurélien GÉRÔME
2004-09-12 17:57 ` David Woodhouse
2004-09-12 20:59 ` Aurélien GÉRÔME
2004-09-12 22:58 ` David S. Miller [this message]
2004-09-12 23:17 ` Aurélien GÉRÔME
2004-09-12 23:28 ` David S. Miller
2004-09-12 23:46 ` Aurélien GÉRÔME
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