From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: kernel BUG at mm/page_alloc.c:424!
Date: Thu, 06 Aug 2009 16:38:58 -0700
Message-ID: <4A7B6992.6090607@goop.org>
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To: Nathan Stratton <nathan@robotics.net>
Cc: xen-devel@lists.xensource.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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On 08/06/09 16:31, Nathan Stratton wrote:
> On Thu, 6 Aug 2009, Jeremy Fitzhardinge wrote:
>
>> On 08/06/09 14:22, Nathan Stratton wrote:
>>> On Thu, 6 Aug 2009, Jeremy Fitzhardinge wrote:
>>>
>>>> Does disabling GRO/LRO and/or checksumming change anything?
>>>
>>> I am sorry, how would I do that?
>>
>> Using ethtool.  Something like "ethtool --offload eth0 gro off lro off",
>> I think.
>
> They both were already off:
>
> [root@cbridge1 ~]# ethtool -k eth0
> Offload parameters for eth0:
> Cannot get device rx csum settings: Operation not supported
> Cannot get device flags: Operation not supported
> rx-checksumming: off
> tx-checksumming: on
> scatter-gather: on
> tcp-segmentation-offload: on

Try turning tso off too.

    J