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Re: [Xen-devel] kernel BUG at mm/page_alloc.c:424!

To: Nathan Stratton <nathan@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] kernel BUG at mm/page_alloc.c:424!
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Thu, 06 Aug 2009 16:38:58 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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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.


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