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

[Christian Ehrhardt]

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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