RE: [Xen-devel] Re: Audio Controller Passthrough to Windows HVM Guest

["Han, Weidong" <weidong.han@xxxxxxxxx>]

I think it doesn't matter to use pciback or pci-stub to hide device. Seems we 
also tested it with pv-ops dom0. I can double check it. 

pls post the qemu log (/var/log/xen/qemu-dm-xxx.log) and output of 'xm demsg'.

Regards,
Weidong

Mr. Teo En Ming (Zhang Enming) wrote:
> 2.6.18 dom0 is conventional xen using pciback and not using pvops?
> 
> 
> On Thu, Oct 22, 2009 at 9:59 PM, Han, Weidong <weidong.han@xxxxxxxxx>
> wrote: 
>> We successfully passed through audio controller to hvm guest before
>> (with 2.6.18 dom0), but we didn't try it for a while. 
>> 
>> Can you see any error messages in 'xm dmesg' or qemu log?
>> 
>> Regards,
>> Weidong
>> 
>> Mr. Teo En Ming (Zhang Enming) wrote:
>>> Hi
>>> 
>>> Has anybody passed through audio controller to HVM guests before?
>>> 
>>> 
>>> On Wed, Oct 21, 2009 at 10:42 PM, Mr. Teo En Ming (Zhang Enming)
>>> <space.time.universe@xxxxxxxxx> wrote:
>>>> Hi
>>>> 
>>>> I have tried to passthrough the HD audio controller on the Intel
>>>> DQ45CB motherboard using the following method but the audio device
>>>> did not show up in Win XP domU.
>>>> 
>>>> Are the below commands correct and sufficient?
>>>> 
>>>> echo "8086 3a6e" > /sys/bus/pci/drivers/pci-stub/new_id
>>>> echo "0000:00:1b.0" >
>>>> /sys/bus/pci/devices/0000:00:1b.0/driver/unbind echo
>>>> "0000:00:1b.0" > /sys/bus/pci/drivers/pci-stub/bind 
>>>> 
>>>> rmmod snd_hda_intel
>>>> 
>>>> I am also trying to passthrough the nVidia GeForce 8400 GS PCI
>>>> Express x16 graphics card and Firewire controller to Win XP domU
>>>> at the same time. 
>>>> 
>>>> VGA passthrough was successful but firewire and audio controller
>>>> passthrough are not working. 
>>>> 
>>>> 
>>>> --
>>>> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics)
>>>> BEng(Hons)(Mechanical Engineering) Alma Maters:
>>>> (1) Singapore Polytechnic
>>>> (2) National University of Singapore
>>>> Blog URL: http://teo-en-ming-aka-zhang-enming.blogspot.com
>>>> Email: space.time.universe@xxxxxxxxx
>>>> MSN: teoenming@xxxxxxxxxxx
>>>> Mobile Phone: +65-9648-9798
>>>> Street: Bedok Reservoir Road
>>>> Republic of Singapore
>>>> 
>>> 
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