Re: Xen 4.2 and USB

[Konrad Rzeszutek Wilk <konrad@kernel.org>]

On Thu, Sep 27, 2012 at 10:51:21PM -0400, L D wrote:
> Hello!
> So I compiled and am running the 4.2 release...did the ./configure;
> make world; make install
> It works, and am running an ati vga passthrough windows system, except
> for usb and sound...
> 
> I have a couple of questions, if you can help me with some of these it
> would be appreciated.
> 
> How do I run qemu upstream in this release? I'm trying to have sound
> in win7 64bit sound but I can't get qemu upstream to work.
> Anybody have success with win7 sound?

Yes.  Look on the mailing list  - I mentioned what I needed to
do to enable PulseAudio on the host.

> I'm using device_model_override='/usr/lib/xen/bin/qemu-system-i386'

Why?
> 
> What happened to the command xm usb-add, there is no xl usb-add
> equivalent?? I need to do this for my usb keyboard and mouse.
> Also any particular reason we can specify a list of pci devices to
> passthru but not a list for usbdevices?? The config will only pass 1
> usbdevice, we should be able to pass a list of usbdevices no?

Could be that it never got implemented in 'xl'.
> As an alternative I tried to passthru the pci usb controllers but
> windows recognizes the controllers but for some reason does not
> recognize the usb keyboard/mouse as being attached.
> Finally how do I connect to the qemu console?? ctrl-alt-shift-2,1 just
> show me blank screens (console=1), I have no way to pass additional
> usb devices by usb-adding them.

Good. That is a security hole.
> 
> Thanks
> Paul
> 
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