Re: NetBSD 5.99.22 Dom0 + xentools33 + pci export + linux domu

[Christoph Egger <Christoph_Egger%gmx.de@localhost>]

On 25.12.09 20:44, Manuel Bouyer wrote:
> On Fri, Dec 25, 2009 at 01:04:22PM +0100, Juraj Hercek wrote:
>> On 12/24/2009 01:08 PM, Juraj Hercek wrote:
>>> On 12/23/2009 10:57 PM, Jean-Yves Migeon wrote:
>>>> Hmm, thought that uhci* and bge0 would attach on the same pci, but
>>>> they are not. Could you paste the result of "pcictl /dev/pci0 list"
>>>> (or lspci) once inside the "PCI privileged" domU?
>>> ...
>>>
>>> I will try NetBSD domU with pci frontend compiled in some time later. If
>>> that works ok, I would say that it's linux domU misbehaving.
>>
>> I've just verified NetBSD domU with pci frontend. It behaves in the same 
>> way as linux domU with pci fronted and exported usb controller on pci. 
>> In other words, I see "Domain-Unnamed" in "--ps--" state after shutdown 
>> and I'm experiencing also network watchdog timeouts on bge0 network 
>> interface.
> 
> So maybe there's more to be done when a domU kernel is shutdown
> with Xen 3.3 than Xen 3.1.

Yes, that's because Xen 3.3 got IOMMU support.

PV guests have to use the PHYSDEVOP_manage_pci_add and
PHYSDEVOP_manage_pci_remove hypercalls.

Christoph