OpenvSwitch with DPDK isn't working with VirIO (Proposed Repo enabled)

[Martinx - ジェームズ]

Cool! Thank you for taking time to reply for me during your flight...   =)

One more bug report for you!

https://bugs.launchpad.net/ubuntu/+source/openvswitch/+bug/1577088

I am crashing the OVS+DPDK running at the host, from inside of a KVM Guest
running another OVS+DPDK!

Cheers!
Thiago

On 30 April 2016 at 18:17, Christian Ehrhardt <
christian.ehrhardt at canonical.com> wrote:

> Hi Thiago,
> Writing on the cellphone at the airport so I hope autocorrect doesn't kill
> me ;-)
>
> Fine that you got it working, but for whoever else that might find the
> thread. It was a bug that you could use virtue devices without unassigning
> them from the kernel first.
>
> The new conffiles talk about it, also the changelog as well as the updated
> server-side - the last one takes a few more days to update externally.
>
> The behaviour in that part now matches DPDK 16.04 which had the fix.
> Am 29.04.2016 20:37 schrieb "Martinx - ジェームズ" <thiagocmartinsc at gmail.com>:
>
>> Never mind, it is working now... Doing more tests... Have a nice weekend!
>>
>> On 29 April 2016 at 21:40, Martinx - ジェームズ <thiagocmartinsc at gmail.com>
>> wrote:
>>
>>> Guys, Christian,
>>>
>>>  After upgrading DPDK to "2.2.0-0ubuntu8", OpenvSwitch with DPDK is not
>>> starting up anymore within a KVM Guest.
>>>
>>>  Here is what I have in my Xenial KVM Guest:
>>>
>>> ---
>>> root at template-1:~# dpdk_nic_bind --status
>>>
>>> Network devices using DPDK-compatible driver
>>> ============================================
>>> 0000:00:05.0 'Virtio network device' drv=uio_pci_generic unused=
>>> 0000:00:06.0 'Virtio network device' drv=uio_pci_generic unused=
>>>
>>> Network devices using kernel driver
>>> ===================================
>>> 0000:00:03.0 'Virtio network device' if= drv=virtio-pci
>>> unused=uio_pci_generic
>>> 0000:00:04.0 'Virtio network device' if= drv=virtio-pci
>>> unused=uio_pci_generic
>>> ---
>>>
>>> apt install openvswitch-switch-dpdk
>>>
>>> update-alternatives --set ovs-vswitchd
>>> /usr/lib/openvswitch-switch-dpdk/ovs-vswitchd-dpdk
>>>
>>> file "/etc/default/openvswitch-switch" contains:
>>>
>>> -
>>> DPDK_OPTS='--dpdk -c 0x1 -n 4 -m 1024'
>>> -
>>>
>>>  However, after running:
>>>
>>> service openvswitch-switch restart
>>>
>>>  There is no "ovs-vswit... --dpdk -c 0x1 -n 4 -m 1024" process!
>>>
>>>  It was behaving differently before... I'll try rebuild it, or try to
>>> use l2fwd DPDK App to test this VM...
>>>
>>>  Any clue?
>>>
>>> Cheers!
>>> Thiago
>>>
>>
>>
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