Re: [regression] 2.6.37+ commit 0363466866d9.... breaks tcp ipv6

[Jesse Gross <jesse@nicira.com>]

On Tue, Jan 18, 2011 at 11:52 AM, Hans de Bruin <jmdebruin@xmsnet.nl> wrote:
> On 01/16/2011 09:24 PM, Hans de Bruin wrote:
>>
>> After last nights compile i lost the possibility to connect to ssh and
>> http over ipv6. The connection stops at syn_sent. connections to my
>> machine end in syn_recv. ping6 still works.
>>
>
> The bisect ended in:
>
> 0363466866d901fbc658f4e63dd61e7cc93dd0af is the first bad commit
> commit 0363466866d901fbc658f4e63dd61e7cc93dd0af
> Author: Jesse Gross <jesse@nicira.com>
> Date:   Sun Jan 9 06:23:35 2011 +0000
>
>    net offloading: Convert checksums to use centrally computed features.
>
>    In order to compute the features for other offloads (primarily
>    scatter/gather), we need to first check the ability of the NIC to
>    offload the checksum for the packet.  Since we have already computed
>    this, we can directly use the result instead of figuring it out
>    again.
>
>    Signed-off-by: Jesse Gross <jesse@nicira.com>
>    Signed-off-by: David S. Miller <davem@davemloft.net>
>
>
> ssh ::1  still works. And since dns still works I guess udp is not affected.
> My nic is a:
>
> 09:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5752 Gigabit
> Ethernet PCI Express (rev 02)

Are you using vlans?  If so, can you please test this patch?
http://patchwork.ozlabs.org/patch/79264/