[ovs-discuss] Issue with Intel 82599 PF and OVS

Dmitry Nikishov dnikishov at mirantis.com
Thu Nov 27 11:24:50 UTC 2014

Yeah, 2.3.0 dp works with 3.11. Moreover, I've upgraded ixgbe driver
to the latest available on Intel website. It works with 3.11, but not
with 3.14. That means that the issue is somewhere within kernel


On Thu, Nov 27, 2014 at 1:44 PM, Andrey Korolyov <andrey at xdel.ru> wrote:
> On Thu, Nov 27, 2014 at 12:39 PM, Dmitry Nikishov
> <dnikishov at mirantis.com> wrote:
>> Link resets counts are non-zero due to using ip link to bring eth0
>> down and up. Re-adding eth0 to br-eth0 didn't help.
>> On Thu, Nov 27, 2014 at 12:40 AM, Andrey Korolyov <andrey at xdel.ru> wrote:
>>> Ok, there a suspicious non-zero and equal link reset count for both
>>> cases, can you elaborate on their nature please? Also it is worthy to
>>> re-add interface and check connectivity again, it does not mean that
>>> you`ll need to do same thing in production.
> CCing discuss@ back.
> Then, if possible, can you determine, which exact part (dp or kernel
> itself) causes a misbehavior by trying 2.3.0 datapath against older
> kernel on which everything worked? After that, you can drown yourself
> in a whirlpool of bisection for a problematic part, ixgbe/ixgbevf may
> be a bit harder to bisect due to in-kernel changes, as you may need to
> recompile entire kernel for this.

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