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Re: [Xen-users] usb pass through + xen 4.0.1 + centos 5.5 + pvm

Ahh, didn't think of that.

Thanks for the suggestion.

- Brian







On Jan 21, 2011, at 11:12 AM, Pasi Kärkkäinen wrote:

On Fri, Jan 21, 2011 at 10:37:51AM -0800, Brian Krusic wrote:
Hi Pasi,

So I would need the pvops kernel (2.6.32) on both dom0 and domU just to
pass a USB port?


Not necessarily. http://xenbits.xen.org/linux-2.6.18-xen.hg
has pvusb drivers for 2.6.18 kernel.

You could compile those with the el5 kernel-xen. Shouldn't be that difficult.

Seems like it would be easier to use KVM as passing a USB port seemed
alot easier according to a quick google.


Xen supports qemu USB passthru to Xen HVM guests without any additional drivers.
It's pretty much the same as what KVM has.

http://wiki.xensource.com/xenwiki/XenUSBPassthrough

-- Pasi


- Brian







On Jan 21, 2011, at 2:59 AM, Pasi Kärkkäinen wrote:

On Thu, Jan 20, 2011 at 11:02:26AM -0800, Brian Krusic wrote:
Hi,

Is there any definitive wether USB passthrough works on Xen 4.0.1 and
Centos 5.5 on a PVM really works or not?

Seems like by the many posts I've read, it doesn't.

Any one mind enlightening me.



For PV domUs you need to use pvusb.
pvusb requires *drivers* in both the dom0 kernel, and in the domU
kernel!
(in addition to pvusb support in Xen).

-- Pasi


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