Re: [Xen-devel] GPLPV and pci passthrough

[Roderick Colenbrander <thunderbird2k@xxxxxxxxx>]

On Sat, Jan 28, 2012 at 6:36 PM, James Harper
<james.harper@xxxxxxxxxxxxxxxx> wrote:
>> >
>> > I checked, and no devices are sharing IRQs.  I'll try the
>> > windows2003/ndis5 drivers and see if that makes a difference.  Of
>> > course, the base image for my win7 vms seems to have gotten corrupted,
>> > so I'll have to build a new one.
>>
>> Oops, sorry about the top post...
>>
>> I tried the Win2003 build and it works like a charm, and has native
>> performance across my gbit network in at least one direction.
>>
>
> Right... so if I understand the problem:
>
> . NDIS5 driver works fine under Windows 7 with PCI passthrough
> . NDIS6 driver works fine under Windows 7 with no PCI passthrough
> . NDIS6 driver does not work correctly with PCI passthrough
>
> Can you now try turning off all offloads in the DomU and see if starts 
> working at some point?
>
> I'm at a loss to explain how this could happen though.
>
> James
>
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I have had weird network problems as well using the 308 drivers. For
me the 356 drivers from the hg repository do work fine, so something
between 308 and 356 fixed some network bugs. Perhaps put a test build
on the website for him to try?

Roderick

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