On 10/09/12 11:24, Ashok Anand wrote:
> Hi, 
>
> I am trying to use SRIOV, usnig xen 4.0 on debian. 
>
> On my dom0, xm pci-list-assignable-devices show that
> 0000:0f:10.0
> 0000:0f:10.2
> 0000:0f:10.4
> 0000:0f:10.6
> 0000:0f:11.2
> 0000:0f:11.4
> 0000:0f:11.6
>
> these virtual interfaces correspond to eth2,

Are you sure?  0f:10.0 is probably the physical function which you must
keep in dom0.

~Andrew

>
> i attach 0f:10.0 to a domU ubuntu machine, xm pci-attach ubuntu 0f:10.0
>
> on my dom0 machine, i can ping other machine using eth2, (implying PF
> on eth2 is active)
>
> on my domU machine, when i attach the virtual function, i get the
> following messages
>
> [ 2282.688356 <tel:%5B%202282.688356>] ixgbevf 0000:00:00.0: Xen PCI
> mapped GSI0 to IRQ28
> [ 2282.688470 <tel:%5B%202282.688470>] ixgbevf 0000:00:00.0: setting
> latency timer to 64
> [ 2282.690187 <tel:%5B%202282.690187>] ixgbevf 0000:00:00.0: PF still
> in reset state, assigning new address
>
> while PF on eth2 is  there and active, since i can ping other machine.
>
> Now, when I try to bring up the VF interface on domU, 
>  i get the following error
>
>  2476.295582] Unable to start - perhaps the PF Driver isn't up yet
> SIOCSIFFLAGS: Network is down
> [ 2476.296917] Unable to start - perhaps the PF Driver isn't up yet
> SIOCSIFFLAGS: Network is down
>
> and on dmesg on domU, 
> [ 2476.295582] Unable to start - perhaps the PF Driver isn't up yet
> [ 2476.296917] Unable to start - perhaps the PF Driver isn't up yet
>
>
> Any thoughts on what could be wrong? I have been struggling with this
> for quite some time
> and would really appreciate your thoughts on it.
>
> Thanks, 
> Ashok
>
>
>
>
>
>

-- 
Andrew Cooper - Dom0 Kernel Engineer, Citrix XenServer
T: +44 (0)1223 225 900, http://www.citrix.com