On Wed, Apr 22, 2009 at 11:18:53AM +0900, Akio Takebe wrote:
> Hi, Simon
>
> Simon Horman wrote:
>> On Wed, Apr 22, 2009 at 09:11:58AM +1000, Simon Horman wrote:
>>> On Tue, Apr 21, 2009 at 05:16:14PM +0800, Cui, Dexuan wrote:
>>>> Simon Horman wrote:
>>>>> Hi,
>>>>>
>>>>> in preparation for 3.4.0 I have made a number of updates to the VT-d
>>>>> Howto. I have tried to retain the original information while
>>>>> reorganising things a bit. I have also added information on recent
>>>>> work I have done in this area.
>>>>>
>>>>> Apologies in advance for any errors, accidental deletions, etc...
>>>>>
>>>>> http://wiki.xensource.com/xenwiki/VTdHowTo
>>>> Hi Simon,
>>>> There is a bug: we can't pci-detach a statically-assigned (I mean: use the
>>>> pci string in hvm config file) devices for hvm guest.
>>>> Accordong my limited experience, after a device is assigned to hvm guest,
>>>> ioemu does write the correct vslots value into xenstore, but looks xend
>>>> can't get the correct value somwhow.
>>>> Could you help to have a look? Thanks!
>>> Sure, I can look into that. Do you have a version that you are worried
>>> about? It did seem to work the last time that I checked.
>>
>> Hi Dexuan,
>>
>> I am seeing this bug too. I'll try and get a fix ASAP.
>>
>
> Does AUTO_PHP_SLOT also support hotplug?
>
> @tools/python/xen/xend/XendDomainInfo.py
>
> def hvm_destroyPCIDevice(self, vslot):
> log.debug("hvm_destroyPCIDevice called %s", vslot)
>
> if not self.info.is_hvm():
> raise VmError("hvm_destroyPCIDevice called on non-HVM guest")
> ... snip ...
> if vslot == AUTO_PHP_SLOT:
> raise VmError("Device @ vslot 0x%x doesn't support hotplug." %
> (vslot))
>
Hi Takebe-san,
I agree with your analysis, the problem seems to be that
AUTO_PHP_SLOT doesn't support hot-plug.
--
Simon Horman
VA Linux Systems Japan K.K. Satellite Lab in Sydney, Australia
H: www.vergenet.net/~horms/ W: www.valinux.co.jp/en
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