* Re: PCI pass-thru (Dom0 2.6.32-stable Debian, Xen 4.0) with 82576 6-port, SR-IOV not working.
[not found] <AANLkTinj0hY6jk7COssAOnfoiRpaq-gbh-Oim6Q6jRvf@mail.gmail.com>
@ 2011-02-28 19:44 ` Konrad Rzeszutek Wilk
0 siblings, 0 replies; only message in thread
From: Konrad Rzeszutek Wilk @ 2011-02-28 19:44 UTC (permalink / raw)
To: y bhanu, xen-devel; +Cc: linux-pci
On Mon, Feb 28, 2011 at 11:22:57AM -0800, y bhanu wrote:
> I am having hard time to get the SR-IOV to work on fc14/debian with xen 4.0.1.
You posted this to the wrong mailing list. It should be to xen-devel.
Also you are missing the relevant details in the subject line.
I fixed those for you.
> I am using a xen 2.6,32-stable kernel.
>
> I have enabled my kernel with all the default options needed for PCI
> passthrough and DOM0.
> When I launch a DOM-U kernel with a PF (physical function) mapped, I
> can see the eth0 device I am able to us .
OK, great. What do you mean by DOM-U? Is that HVM or PV? What does
your guest configuration file look like?
>
> But when But when I launch a DOM-U kernel with a VFx (virtual
> function) mapped, I can see the eth0 device but cannot use it.
Does the VF device work under Dom0? What kernel version are you using
for DomU? 2.6.32? Did you try 2.6.38-rc6 for DomU?
> I cannot ping anything and it is not usable.
Can you get a DHCP address? Do you see the DHCP requests on the
DHCP server?
>
> May be I am missing something pieces. Did anyone have a similar problem?
> Am I missing a kernel option / configuration option?
Do you have 'iommu=soft' on your DomU command line? Presumarily yes since
you passed in the PF and it worked.
>
> I am using intel 8-port 82576(SR-IOV capable) card.
>
> Thanks
> Bhanu
> --
> To unsubscribe from this list: send the line "unsubscribe linux-pci" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] only message in thread