Re: [Xen-users] xen-3.0-testing: checksum errors (was: still checksum errors with xen-3.0-testing.hg)

[Nivedita Singhvi <niv@xxxxxxxxxx>]

Markus Schuster wrote:
> Hi list,
> hi Nivedita Singhvi,
>
> you wrote one should post to the mailing list if turning offloading off
> still helps against checksum errors in recent checkouts. I had this
Hi Markus, thanks very much for the report..

> problem with a snapshot of xen-unstable from 2006-03-29 and upgraded
> this days to a snapshot of xen-3.0-testing from 2006-04-29 (changeset
> 9659:50f2558d6241 regarding to xm dmesg output). Well, I still have
> checksum problems that go away when turning offloading off vith ethtool.
Yep, looks like there is still a place or too that needs
to be looked at..

> I use the more-or-less classical networking environment: Bridging in
> dom0, some VLANs, an eth0.X and a bridge for each VLAN ("handmade" using
> Debian's /etc/network/interfaces) and the domUs connected to the
> corresponding bridge. One domU acts as a router and has an interfaces
> for each bridge (it'll really have an interface for each VLAN if XEN
> will support more than three interfaces per domU... *hint* :))
>
> But maybe a 'brctl show' says more than 1000 words:
> brmgnt                  8000.feffffffffff       no              peth0
>                                                                 vif0.0
>                                                                 vif1.0
> brvlan101               8000.0002b3c76e13       no              eth0.101
>                                                                 vif1.1
>                                                                 vif2.0
> brvlan110               8000.0002b3c76e13       no              eth0.110
>                                                                 vif1.2
>                                                                 vif3.0
> brvlan111               8000.0002b3c76e13       no              eth0.111
> brvlan120               8000.0002b3c76e13       no              eth0.120

We'll try and repro your configuration and find out what's
happening..

thanks,
Nivedita

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