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From: Gopakumar Choorakkot Edakkunni <gopakumar.c.e@gmail.com>
Date: Sat, 20 Aug 2016 07:57:01 -0700
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Subject: [dpdk-dev] SR-IOV: dpdk16.07 on guest and ixgbe 3.19.1 on host -
 will that be a problem ? (requested invalid api version)
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I see the below message "requested invalid api version" on host ? Will that
be an issue or is it benign ? Should I upgrade the host ixgbe to a later
version ?

On the host:

*[69576.199458] ixgbe 0000:88:00.1 p4p2: VF 2 requested invalid api version
3*

root# lsb_release -a
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 14.04.4 LTS
Release:    14.04
Codename:    trusty
root@mtpnjrsv113:~#


root# ethtool -i p4p2
driver: ixgbe
version: 3.19.1
firmware-version: 0x80000811, 1.1067.0
bus-info: 0000:88:00.1
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no

On the guest:

root# lsb_release -a
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 14.04.2 LTS
Release:    14.04
Codename:    trusty

root# find / -name rte_kni.ko
/var/lib/dkms/dpdk/16.07/3.16.0-30-generic/x86_64/module/rte_kni.ko
/lib/modules/3.16.0-30-generic/updates/dkms/rte_kni.ko