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From: Sam <batmanustc@gmail.com>
Date: Fri, 18 May 2018 15:37:47 +0800
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Subject: Re: [dpdk-dev] Bug in OVS2.8.0+DPDK17.05+Intel_82599_IXGBE sriov?
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I have test dpdk testpmd, it is OK in the same enviroment.

Why ovs-dpdk could not work? I think that must be some bug in ovs?

2018-05-18 11:42 GMT+08:00 Sam <batmanustc@gmail.com>:

> Hi all,
>
> I'm using OVS2.8.0+DPDK17.05+Intel_82599_IXGBE for test, the vf driver is
> ixgbevf-4.0.3.
>
> I use sriov follow like this:
> echo 1 > /sys/bus/pci/devices/0000:01:00.0/max_vfs
>
> Then test l3fwd-vf demo, it is OK.
>
> Then test OVS2.8.0, and assign pf for ovs like this:
> ovs-vsctl add-port br_t dpdk-p0 \
>    -- set Interface dpdk-p0 type=dpdk options:dpdk-devargs=0000:01:00.0
>
> Then I want to link up vf in linux driver, but report error
> # sudo ifconfig em1_0 up
> SIOCSIFFLAGS: Network is down
>
> And log shows this:
> kernel: ixgbevf 0000:01:10.0: PF still in reset state.  Is the PF
> interface up?
>
> And of course dpdk-p0 could NOT work.
>
> But I found if I close sriov, dpdk-p0 could work.
>
>
> So is this means sriov could not work in OVS2.8.0+DPDK17.05+Intel_82599_IXGBE?
> Who have ever run success? Thank you~
>