Re: [Xen-users] xen hvm usb problem

[jun hu <todaygood@xxxxxxxxx>]

I have try xen 4.0  ,dom0 kernel 2.6.32 

xm  usb-attach   can't find usb disk in domu 

kernel 3.1 ,I didn't try. 

I expect usb will   works well .

2011/10/9 Dima Tisnek <dimaqq@xxxxxxxxx>

That's very good to hear, I didn't try kernel 3.1rc as kernel.org
downloads are still down, I guess usbback must have landed and works
;-)

On 9 October 2011 15:56, Erik Lind <zod@xxxxxxxxxxxxx> wrote:
> That may or may not be correct, I do not know. However I do know that I have
> successfully done usb passthrough from 3.1-rc3 kernel (Dom0) to a windows 7
> DomU, without any patches which I guess mean that the legacy passthrough
> option work?
> (It is possible using the xl tool chain as well either in the config file or
> in the console (not not from the normal cli))
>
> /Erik
>
>
> On 10/09/2011 02:14 PM, Dima Tisnek wrote:
>>
>> my understanding is that after pvops switch (landing xen in linux
>> kernel, perhaps coinsides with xen3->xen4?) usbback module is not
>> implemented, at least in vanilla kernel 3.0.4 or Konrad's git 2.6.xx.
>>
>> xl tools don't support usb yet either. The easiest to try is to play
>> with xm tools:
>>
>> manually unbind usb device from whatever module/driver in dom0 (opt)
>> xm usb list assignable devices (if not shown, try above)
>> try xm usb-attach
>> if you get an error, it basically means your dom0 kernel does not have
>> usbback.
>>
>> you can also check /proc/config.gz
>>
>> d.
>>
>> On 9 October 2011 15:05, Erik Lind<zod@xxxxxxxxxxxxx>  wrote:
>>>
>>> Hi
>>>
>>> Well normal usb 1.1 passthrough should be supported but it depends on
>>> device
>>>  according to:
>>> http://wiki.xen.org/xenwiki/XenUSBPassthrough
>>>
>>> For pvusb support I guess it is correct that the dom0 kernel has to
>>> support
>>> it and the DomU OS of course.
>>>
>>> Perhaps you should try the pvusb passthrough or test with some other usb
>>> device to see if it is device dependent or not?
>>>
>>> /Erik
>>>
>>> On 10/09/2011 12:16 PM, Dima Tisnek wrote:
>>>>
>>>> it could be that your xen/qemu/dom0 version doesn't support usbback
>>>> (hiding usb from dom0), that is the case e.g. with xen 4.1.1 and linux
>>>> 3.0 and dom0
>>>>
>>>>
>>>> On 9 October 2011 03:41, Gmail<todaygood@xxxxxxxxx>    wrote:
>>>>>
>>>>> xen hvm
>>>>>
>>>>> guest os:  windows xp  or SLES Linux 11
>>>>>
>>>>> in dom0 , lsusb can find usb device .
>>>>> by using  add usbdevice="host:vendorID:productID" in windowsxp.cfg or
>>>>> sles11.cfg
>>>>>
>>>>> 1)in windows xp ,I can't find any usb device
>>>>> 2)in SLES Linux11 ,can't find any usb device  either.
>>>>>
>>>>> What can I do for finding usb device?  Please help me .
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>>
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>
>

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