Re: [Xen-devel] issue using SRIOV "Unable to start - perhaps the PF driver is not up yet", while PF driver is actually up

[Ashok Anand <ashok.anand@xxxxxxxxx>]

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

~Andrew

I find from xm pci-list-assignable-devices  that 0f:10.0 is available - it is also hidden from dom0 (using pciback.hide in kernel arguments)

if that is not the case, which physical function i can assign to domU?

i tried with 0f:11.6, and others too, but i got similar messages.

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] ixgbevf 0000:00:00.0: Xen PCI mapped GSI0 to IRQ28

[ 2282.688470] ixgbevf 0000:00:00.0: setting latency timer to 64

[ 2282.690187] 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

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