Paolo Abeni <pabeni@xxxxxxxxxx> writes: > On Mon, 2024-06-24 at 12:53 -0400, Aaron Conole wrote: >> Aaron Conole <aconole@xxxxxxxxxx> writes: >> >> > Jakub Kicinski <kuba@xxxxxxxxxx> writes: >> > >> > > On Thu, 20 Jun 2024 08:55:54 -0400 Aaron Conole wrote: >> > > > This series enhances the ovs-dpctl utility to provide support for set() >> > > > and tunnel() flow specifiers, better ipv6 handling support, and the >> > > > ability to add tunnel vports, and LWT interfaces. Finally, it modifies >> > > > the pmtu.sh script to call the ovs-dpctl.py utility rather than the >> > > > typical OVS userspace utilities. >> > > >> > > Thanks for the work! >> > > >> > > Looks like the series no longer applies because of other changes >> > > to the kernel config. Before it stopped applying we got some runs, >> > > here's what I see: >> > > >> > > https://netdev-3.bots.linux.dev/vmksft-net/results/648440/3-pmtu-sh/stdout >> > > >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS vxlan4: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS vxlan4: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS vxlan4: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS vxlan4: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS vxlan6: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS vxlan6: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS vxlan6: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS vxlan6: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS geneve4: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS geneve4: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS geneve4: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS geneve4: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS geneve6: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv4, OVS geneve6: PMTU exceptions - nexthop objects >> > > [FAIL] >> > > # Cannot find device "ovs_br0" >> > > # TEST: IPv6, OVS geneve6: PMTU exceptions [FAIL] >> > > # Cannot find device "ovs_br0" >> > > >> > > Any idea why? Looks like kernel config did include OVS, perhaps we need >> > > explicit modprobe now? I don't see any more details in the logs. >> > >> > Strange. I expected that the module should have automatically been >> > loaded when attempting to communicate with the OVS genetlink family >> > type. At least, that is how it had been working previously. >> > >> > I'll spend some time looking into it and resubmit a rebased version. >> > Thanks, Jakub! >> >> If the ovs module isn't available, then I see: >> >> # ovs_bridge not supported >> # TEST: IPv4, OVS vxlan4: PMTU exceptions [SKIP] >> >> But if it is available, I haven't been able to reproduce such ovs_br0 >> setup failure - things work. > > I'm still wondering if the issue is Kconfig-related (plus possibly bad > interaction with vng). I don't see the OVS knob enabled in the self- > tests config. If it's implied by some other knob, and ends-up being > selected as a module, vng could stumble upon loading the module at > runtime, especially on incremental build (at least I experience that > problem locally). I'm not even sure if the KCI is building > incrementally or not, so all the above could is quite a wild guess. > > In any case I think adding the explicit CONFIG_OPENVSWITCH=y the > selftest config would make the scenario more well defined. That is in 7/7 - but there was a collision with a netfilter knob getting turned on. I can repost it as-is (just after rebasing) if you think that is the only issue. > Cheers, > > Paolo