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[146.241.241.2]) by smtp.gmail.com with ESMTPSA id l7sm2640734wmj.9.2021.09.07.07.35.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Sep 2021 07:35:48 -0700 (PDT) Message-ID: Subject: Re: [veth] 9d3684c24a: kernel-selftests.net/mptcp.mptcp_join.sh.fail From: Paolo Abeni To: kernel test robot Cc: "David S. Miller" , LKML , lkp@lists.01.org, lkp@intel.com, mptcp@lists.01.org Date: Tue, 07 Sep 2021 16:35:47 +0200 In-Reply-To: <20210907142758.GD17617@xsang-OptiPlex-9020> References: <20210907142758.GD17617@xsang-OptiPlex-9020> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5 (3.36.5-2.fc32) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Tue, 2021-09-07 at 22:27 +0800, kernel test robot wrote: > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): It's not entirelly clear to me which are the relevant "changes" ??? [...] > # 36 add multiple addresses IPv6 syn[ ok ] - synack[ ok ] - ack[ ok ] > # add[ ok ] - echo [fail] got 1 ADD_ADDR echo[s] expected 2 > # > # Server ns stats > # MPTcpExtMPCapableSYNRX 1 0.0 > # MPTcpExtMPCapableACKRX 1 0.0 > # MPTcpExtMPJoinSynRx 2 0.0 > # MPTcpExtMPJoinAckRx 2 0.0 > # MPTcpExtEchoAdd 1 0.0 > # Client ns stats > # MPTcpExtMPCapableSYNTX 1 0.0 > # MPTcpExtMPCapableSYNACKRX 1 0.0 > # MPTcpExtMPJoinSynAckRx 2 0.0 > # MPTcpExtAddAddr 2 0.0 is the referred change is the above self-test failure? I belive this is unrelated to the mentioned commit (which behave as no- op in this scenario). We are working to make our self-tests as stable as possible, but there are still some sporadic failures. I could not reproduce this failure locally. Cheers, Paolo