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xen-devel
Re: [Xen-devel] Problems booting latest xen pv-ops linux kernel
On Thu, Nov 19, 2009 at 03:46:54PM +0530, Fasiha Ashraf wrote:
> Hi all
> I am using xen-3.4.1 with PV OS kernel 2.6.31.4 in FC11. When ever I try
> using a guest as web server to fetch its data from different nodes I dont
> experience enough speed even using 1G link on both sides. After running
> different bench marks I have come to know that while using guest as a
> sender on 1G link throughput goes down.
>
> #wget http://10.11.21.113/VTS_04_1.VOB
> --2009-11-19 15:17:17-- http://10.11.21.113/VTS_04_1.VOB
> Connecting to 10.11.21.113:80... connected.
> HTTP request sent, awaiting response... 200 OK
> Length: 1073739776 (1024M) [text/plain]
> Saving to: `VTS_04_1.VOB'
>
> 0% [ ] 432,670 14.7K/s eta 13h
> 51m ^C
>
That sounds like you have problems with some network offloading
settings.
Have you tried for example this in the domU:
ethtool -K eth0 tx off
Does that help? If it doesn't, try playing with the other offloading
settings.. you can check them with "ethtool -k eth0".
Do you have errors in the dom0 dmesg?
-- Pasi
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