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[164.138.29.33]) by smtp.gmail.com with ESMTPSA id af79cd13be357-79bce91f16esm415648285a.77.2024.06.25.08.42.48 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Jun 2024 08:42:48 -0700 (PDT) Date: Tue, 25 Jun 2024 17:41:49 +0200 From: Stefano Brivio To: Jakub Kicinski Cc: Aaron Conole , Paolo Abeni , netdev@vger.kernel.org, dev@openvswitch.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Pravin B Shelar , "David S. Miller" , Eric Dumazet , Shuah Khan , =?UTF-8?B?QWRyacOhbg==?= Moreno , Simon Horman , David Ahern Subject: Re: [PATCH v2 net-next 0/7] selftests: net: Switch pmtu.sh to use the internal ovs script. Message-ID: <20240625174149.3d37ed88@elisabeth> In-Reply-To: <20240625070654.6a00efef@kernel.org> References: <20240620125601.15755-1-aconole@redhat.com> <20240621180126.3c40d245@kernel.org> <20240625070654.6a00efef@kernel.org> Organization: Red Hat X-Mailer: Claws Mail 4.2.0 (GTK 3.24.41; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 25 Jun 2024 07:06:54 -0700 Jakub Kicinski wrote: > On Tue, 25 Jun 2024 09:20:29 -0400 Aaron Conole wrote: > > > 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. > > Sorry for not checking it earlier, looks like the runner was missing > pyroute: > > # python3 ./tools/testing/selftests/net/openvswitch/ovs-dpctl.py > Need to install the python pyroute2 package >= 0.6. > > I guess run_cmd counter-productively eats the stderr output ? :( Yes, otherwise it's rather noisy, but you can run the thing with VERBOSE=1, see also 56490b623aa0 ("selftests: Add debugging options to pmtu.sh"). Before that change, we didn't eat standard error, but in the general case I guess it's quite an improvement. -- Stefano