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Csillag Kristof wrote:
>> As I think XEN has no "audio emulation", there's probably no fix other than 
>> using VMware that has an audio emulation.
>
> OK, so I have the wrong idea about how XEN handles sound.
> (I found no documentation on this, so it was basically a guess.)
>
> Here is what I know:
>
> - In the notebook computer there is and Intel HDA sound card.
> - In the configuration file for my HVM guest, I have "soundhw='sb16'".
> - The WinXP running as HVM guest sees a Sound Blaster 16 sound device, and 
> can use it.
>
> Here is what I thought:
>
> - Either the XEN hypervisor, or some user-space tool (probably the later) 
> emulates
> the hardware interface of a SB16 for the HVM host, and
> - it relays the sound to the sound system of DOM0.
>
> If this is not how it goes, then what?
> I thought that since there is no real SB16 in the host in question,
> the SB16 interface must have been emulated,
> but from what you say I seem to be mistaken.
Xen uses a stub version of qemu to emulate devices in hvm domains. Your
best bet is probably searching with respect to qemu and sb16.
- -John McCullough
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