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

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Mon, Sep 10, 2012 at 03:54:34PM +0530, 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,
>    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
>    [1][ 2282.688356] ixgbevf 0000:00:00.0: Xen PCI mapped GSI0 to IRQ28
>    [2][ 2282.688470] ixgbevf 0000:00:00.0: setting latency timer to 64
>    [3][ 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.
>

Did you do "ifconfig ethX up" in dom0? 

-- Pasi


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