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AW: [Xen-users] network (bridged) problem when using xen 3.4.x

To: "'Mirco Santori'" <mirco.santori@xxxxxxxxx>
Subject: AW: [Xen-users] network (bridged) problem when using xen 3.4.x
From: Leo Krüger <leo.krueger@xxxxxxxxxxxxx>
Date: Wed, 16 Sep 2009 15:23:18 +0200
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There finally is a solution:

Debian 2.6.26-2 xen kernel has some issues regarding msi(-x) interrupts and
xen 3.4.x.
When the kernel is booted with pci=nomsi the network connection works.

Thanks for your help mirco.

Does anyone know if there are great disadvantages in using legacy instead of
msi interrupts?


Von: Mirco Santori [mailto:mirco.santori@xxxxxxxxx] 
Gesendet: Mittwoch, 16. September 2009 09:52
An: Leo Krüger
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Betreff: Re: [Xen-users] network (bridged) problem when using xen 3.4.x

hi leo,

unfortunately seems to be a problem between debian lenny and xen .. i spent
two weeks to configure them in the properly way.
cpuld you post here your config file and the error .. i will try to help you

2009/9/15 Leo Krüger <leo.krueger@xxxxxxxxxxxxx>

I'm running xen 3.4.1 with debian dom0 kernel 2.6.26-2-686 on debian lenny.
With this configuration I don't get a network connection to the machine.
When running the normal debian kernel there isn't such a problem.

The machine has two onboard intel gigabit interfaces which require the
e1000e driver.
I got the driver source from intel and compiled it (under both kernels). As
I already said,
it runs perfectly with the normal debian kernel. When running xen, it seems
as if the driver loads correctly
but there is no link detected.
The only error message I get is something like "--physdev-out is not
supported anymore" from iptables.
Everything, except that there is no link, is normal.

Has anyone experienced a similar problems? I can give more information
regarding my setup if its necessary.
Any help would be nice, because I'm kind of stuck.


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