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([2a01:e0a:280:24f0:3f78:514a:4f03:fdc0]) by smtp.gmail.com with ESMTPSA id az33-20020a05620a172100b00767d572d651sm3425869qkb.87.2023.10.30.09.19.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Oct 2023 09:19:40 -0700 (PDT) Message-ID: <76165393-f7ef-40fb-883f-ba8654856467@redhat.com> Date: Mon, 30 Oct 2023 17:19:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: intermittent qtest-aarch64/xlnx-canfd-test test failure Content-Language: en-US To: Michael Tokarev , QEMU Developers Cc: Vikram Garhwal , Francisco Iglesias , Richard Henderson References: From: =?UTF-8?Q?C=C3=A9dric_Le_Goater?= In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.129.124; envelope-from=clegoate@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.483, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 9/21/23 09:51, Michael Tokarev wrote: > Hi! > > While doing stable-8.1.1 preparation, I've a CI failure of ubuntu-20.04-s390x-all here: > > https://gitlab.com/qemu-project/qemu/-/jobs/5132720046 > > ▶ ERROR:../tests/qtest/xlnx-canfd-test.c:265:match_rx_tx_data: \ >   assertion failed ((buf_rx[size] & DLC_FD_BIT_MASK) == (buf_tx[size] & DLC_FD_BIT_MASK)): (2281701376 == 2147483648) > >  qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-canfd-test  \ >            ERROR           0.77s   killed by signal 6 SIGABRT > > Re-run of this test went successfully.  However, the assert looks > a bit scary, and the fact that it does not fail in a reliable way > is a bit troubling too.  Is it a flaky test or there's something > else in qemu with concurrent threads? > > I don't see this assert in previous test runs.  But ubuntu-20.04-s390x-all > test fails quite often due to other reasons, so it isn't conclusive. > > Should something be done with this? > > The testing is done for commit f2fc49c302036315db6e8c9f74592decc3be0476, > which is in staging-8.1 branch only temporarily. > > Thanks, > > /mjt > I had the same CI error in job https://gitlab.com/legoater/qemu/-/jobs/5416150239 ▶ 170/258 ERROR:../tests/qtest/xlnx-canfd-test.c:265:match_rx_tx_data: assertion failed ((buf_rx[size] & DLC_FD_BIT_MASK) == (buf_tx[size] & DLC_FD_BIT_MASK)): (2281701376 == 2147483648) ERROR 170/258 qemu:qtest+qtest-aarch64 / qtest-aarch64/xlnx-canfd-test ERROR 0.49s killed by signal 6 SIGABRT >>> QTEST_QEMU_BINARY=./qemu-system-aarch64 PYTHON=/builds/legoater/qemu/build/pyvenv/bin/python3 MALLOC_PERTURB_=60 G_TEST_DBUS_DAEMON=/builds/legoater/qemu/tests/dbus-vmstate-daemon.sh /builds/legoater/qemu/build/tests/qtest/xlnx-canfd-test --tap -k ――――――――――――――――――――――――――――――――――――― ✀ ――――――――――――――――――――――――――――――――――――― stderr: ** ERROR:../tests/qtest/xlnx-canfd-test.c:265:match_rx_tx_data: assertion failed ((buf_rx[size] & DLC_FD_BIT_MASK) == (buf_tx[size] & DLC_FD_BIT_MASK)): (2281701376 == 2147483648) (test program exited with status code -6) I could reproduce on PPC64 and s390x systems. C.