[ovs-discuss] could not create netdev enp2s0 of unknown type dpdk

[Shivaram Mysore]

Hello,

# *more /etc/dpdk/interfaces*
pci 0000:04:00.1 uio_pci_generic

Should this really be commented out and just use the following commands?
*# modprobe uio*
*# insmod /usr/local/src/dpdk-stable-16.07.1/build/kmod/igb_uio.ko*

what is the correct procedure?

Thanks

/Shivaram

On Tue, Nov 22, 2016 at 9:28 AM, Shivaram Mysore <shivaram.mysore at gmail.com>
wrote:

> Thanks Christian.
>
> I think I figured out where the problem is.  But, I am not sure how to fix
> this :-(
>
> # *tail -f /var/log/syslog*
>
> Nov 22 09:20:43 ovswitch kernel: [  993.906746] *igb_uio: module
> verification failed: signature and/or required key missing - tainting
> kernel*
> Nov 22 09:20:43 ovswitch kernel: [  993.907282] igb_uio: Use MSIX
> interrupt by default
>
> # *tail -f /var/log/openvswitch/ovs-vswitchd.log*
>
> 2016-11-22T17:22:11.532Z|00008|netlink_notifier|WARN|received bad netlink
> message
> 2016-11-22T17:22:11.532Z|00009|netlink_notifier|WARN|received bad netlink
> message
> 2016-11-22T17:22:11.596Z|00010|netlink_notifier|WARN|received bad netlink
> message
> 2016-11-22T17:22:11.596Z|00011|netlink_notifier|WARN|received bad netlink
> message
>
> But, this error is not shown on the command prompt :-(
>
> root at ovswitch:~# *insmod
> /usr/local/src/dpdk-stable-16.07.1/build/kmod/igb_uio.ko*
> root at ovswitch:~# *lsmod | grep uio*
> igb_uio                16384  0
> uio                    20480  1 igb_uio
>
> root at ovswitch:~# */usr/local/src/dpdk-stable-16.07.1/tools/dpdk-devbind.py
> --bind=igb_uio 0000:02:00.0 0000:03:00.0 0000:05:00.0*
> root at ovswitch:~# */sbin/dpdk_nic_bind --status*
>
> Network devices using DPDK-compatible driver
> ============================================
> 0000:02:00.0 'I211 Gigabit Network Connection' drv=igb_uio unused=igb
> 0000:03:00.0 'I211 Gigabit Network Connection' drv=igb_uio unused=igb
> 0000:05:00.0 'I211 Gigabit Network Connection' drv=igb_uio unused=igb
>
>
>
>
> On Tue, Nov 22, 2016 at 8:50 AM, Christian Ehrhardt <
> christian.ehrhardt at canonical.com> wrote:
>
>>
>> On Tue, Nov 22, 2016 at 5:40 PM, Shivaram Mysore <
>> shivaram.mysore at gmail.com> wrote:
>>
>>> Thanks.  Still not helping :-(  FYI: I am configuring OVS on a Intel
>>> Celeron with 4 ports to use it as a hardware switch.  Hence, vfio loaded.
>>> I am running the following commands:
>>
>>
>> A rather common issue is something at DPDK initialization time (when you
>> start openvswitch-dpdk in your case) did not work as it should.
>> That should be a bit earlier in your log - I once answered that in a
>> askubuntu post and you can check the three log I added there side-by-side
>> and compare it to yours:
>> http://askubuntu.com/questions/786510/using-openvswitch-
>> with-dpdk-in-ubuntu-16-04/789203#789203
>>
>> Check if your devices are found and initializing as I reported there and
>> let us know what the difference is if not.
>>
>> --
>> Christian Ehrhardt
>> Software Engineer, Ubuntu Server
>> Canonical Ltd
>>
>
>
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