Re: iMac G3 IPv6 issue

[David S. Miller]

On Sun, 12 Sep 2004 18:57:31 +0100
David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:

> On Sun, 2004-09-12 at 15:39 +0200, Aurélien G�R�ME 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.
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