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Re: [Xen-users] Xen on production enviroment


  • To: Nivedita Singhvi <niv@xxxxxxxxxx>
  • From: Tim Durack <tdurack@xxxxxxxxx>
  • Date: Tue, 13 Sep 2005 18:46:12 -0400
  • Cc: "John A. Sullivan III" <jsullivan@xxxxxxxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx, willmerstrog@xxxxxxxxxxxx
  • Delivery-date: Tue, 13 Sep 2005 22:44:03 +0000
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

tdurack@zeta:~$ sudo ethtool -k eth0
Offload parameters for eth0:
rx-checksumming: on
tx-checksumming: on
scatter-gather: off
tcp segmentation offload: off

tdurack@zeta:~$ sudo ethtool -K eth0 tx off

tdurack@zeta:~$ sudo ethtool -k eth0
Offload parameters for eth0:
rx-checksumming: on
tx-checksumming: off
scatter-gather: off
tcp segmentation offload: off

Ethtool works, what it's really doing is a different matter.

Tim:>

On 9/13/05, Nivedita Singhvi <niv@xxxxxxxxxx> wrote:
Tim Durack wrote:
> Same thing doesn't work on a tg3 based system. Perhaps a driver bug?
>
> Might explain why Ramiro is having problems too.


Didn't think the tg3 supported disabling the checksum offload.

thanks,
Nivedita

> Tim:>
>
> On 9/7/05, Tim Durack <tdurack@xxxxxxxxx> wrote:
>
>>Okay, I'll eat my words (just not my hat yet):
>>
>>guest> ethtool -K eth0 tx off
>>
>>fixed the checksum problem (at least on my system with an e100 driver.)
>>
>>I'll try it again on my tg3 based system. I will eat my hat if it works
>>there...
>>
>>Apologies if I mislead anyone.


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