[Xen-users] Re: Is there something missing for my NIC passthough?

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, May 27, 2010 at 05:17:43PM +0800, lei yang wrote:
>    Hi experts
> 
>    I use xen-4.0.0 and dom0 is 2.6.33 and domU is 2.6.34
> 
>    #lspci
>    ...............
>    01:00.0 Ethernet controller: Intel Corporation Unknown device 10a7 (rev
>    02)
>    01:00.1 Ethernet controller: Intel Corporation Unknown device 10a7 (rev
>    02)
>    05:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet
>    Controller (rev 06)
>    05:00.1 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet
>    Controller (rev 06)
> 
>    my *intent* it to let domU to use "05:00.0" device.
> 
>    boot dom0 with  "pci=resource_alignment=05:00.0
>    xen-pciback.hide=(05:00.0)" appended
> 
>    my domU config file is
> 
>    disk = ['tap:aio:/domU.image,xvda1,w', 'tap:aio:/domUswap.image,xvda2,w']
>    kernel = "/bzImage"
>    vcpus=2
>    vif  = [ "mac=00:15:17:AC:00:40,ip=128.224.165.204" ]
>    root = "/dev/xvda1 ro"
>    extra= "xen console=hvc0"
>    pci = ['05:00.0']
> 
>    Is there something I missed? eg: my cfg file or other configure? or other
>    steps
> 

Yes, you're missing the required parameters for the domU kernel.

See: http://wiki.xensource.com/xenwiki/XenPCIpassthrough

-- Pasi


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