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[83.59.162.106]) by smtp.gmail.com with ESMTPSA id f5sm1960503wmh.16.2020.10.07.02.57.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 07 Oct 2020 02:57:57 -0700 (PDT) Subject: Re: acceptance-system-fedora failures To: Pavel Dovgalyuk , Thomas Huth , John Snow , Cleber Rosa , Pavel Dovgalyuk References: <4e191372-c332-8f69-85e2-1ff6ead0f40d@redhat.com> <59d2a787-bcd4-7283-693b-09ea04c16dc6@redhat.com> <6068346f-b034-9321-0eea-29233c23a300@redhat.com> <78ce9ac1-d2a1-9dc0-bf38-f9ac34b2f203@ispras.ru> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Autocrypt: addr=philmd@redhat.com; keydata= mQINBDXML8YBEADXCtUkDBKQvNsQA7sDpw6YLE/1tKHwm24A1au9Hfy/OFmkpzo+MD+dYc+7 bvnqWAeGweq2SDq8zbzFZ1gJBd6+e5v1a/UrTxvwBk51yEkadrpRbi+r2bDpTJwXc/uEtYAB GvsTZMtiQVA4kRID1KCdgLa3zztPLCj5H1VZhqZsiGvXa/nMIlhvacRXdbgllPPJ72cLUkXf z1Zu4AkEKpccZaJspmLWGSzGu6UTZ7UfVeR2Hcc2KI9oZB1qthmZ1+PZyGZ/Dy+z+zklC0xl XIpQPmnfy9+/1hj1LzJ+pe3HzEodtlVA+rdttSvA6nmHKIt8Ul6b/h1DFTmUT1lN1WbAGxmg CH1O26cz5nTrzdjoqC/b8PpZiT0kO5MKKgiu5S4PRIxW2+RA4H9nq7nztNZ1Y39bDpzwE5Sp bDHzd5owmLxMLZAINtCtQuRbSOcMjZlg4zohA9TQP9krGIk+qTR+H4CV22sWldSkVtsoTaA2 qNeSJhfHQY0TyQvFbqRsSNIe2gTDzzEQ8itsmdHHE/yzhcCVvlUzXhAT6pIN0OT+cdsTTfif MIcDboys92auTuJ7U+4jWF1+WUaJ8gDL69ThAsu7mGDBbm80P3vvUZ4fQM14NkxOnuGRrJxO qjWNJ2ZUxgyHAh5TCxMLKWZoL5hpnvx3dF3Ti9HW2dsUUWICSQARAQABtDJQaGlsaXBwZSBN YXRoaWV1LURhdWTDqSAoUGhpbCkgPHBoaWxtZEByZWRoYXQuY29tPokCVQQTAQgAPwIbDwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4AWIQSJweePYB7obIZ0lcuio/1u3q3A3gUCXsfWwAUJ KtymWgAKCRCio/1u3q3A3ircD/9Vjh3aFNJ3uF3hddeoFg1H038wZr/xi8/rX27M1Vj2j9VH 0B8Olp4KUQw/hyO6kUxqkoojmzRpmzvlpZ0cUiZJo2bQIWnvScyHxFCv33kHe+YEIqoJlaQc JfKYlbCoubz+02E2A6bFD9+BvCY0LBbEj5POwyKGiDMjHKCGuzSuDRbCn0Mz4kCa7nFMF5Jv piC+JemRdiBd6102ThqgIsyGEBXuf1sy0QIVyXgaqr9O2b/0VoXpQId7yY7OJuYYxs7kQoXI 6WzSMpmuXGkmfxOgbc/L6YbzB0JOriX0iRClxu4dEUg8Bs2pNnr6huY2Ft+qb41RzCJvvMyu gS32LfN0bTZ6Qm2A8ayMtUQgnwZDSO23OKgQWZVglGliY3ezHZ6lVwC24Vjkmq/2yBSLakZE 6DZUjZzCW1nvtRK05ebyK6tofRsx8xB8pL/kcBb9nCuh70aLR+5cmE41X4O+MVJbwfP5s/RW 9BFSL3qgXuXso/3XuWTQjJJGgKhB6xXjMmb1J4q/h5IuVV4juv1Fem9sfmyrh+Wi5V1IzKI7 RPJ3KVb937eBgSENk53P0gUorwzUcO+ASEo3Z1cBKkJSPigDbeEjVfXQMzNt0oDRzpQqH2vp apo2jHnidWt8BsckuWZpxcZ9+/9obQ55DyVQHGiTN39hkETy3Emdnz1JVHTU0Q== Message-ID: <14ee7cc6-42ca-fd86-241b-ed85e26693f7@redhat.com> Date: Wed, 7 Oct 2020 11:57:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <78ce9ac1-d2a1-9dc0-bf38-f9ac34b2f203@ispras.ru> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/07 00:44:56 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.733, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , =?UTF-8?Q?Alex_Benn=c3=a9e?= , Eduardo Habkost , Wainer dos Santos Moschetta , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 10/7/20 10:51 AM, Pavel Dovgalyuk wrote: > On 07.10.2020 11:23, Thomas Huth wrote: >> On 07/10/2020 09.13, Philippe Mathieu-Daudé wrote: >>> On 10/7/20 7:20 AM, Philippe Mathieu-Daudé wrote: >>>> On 10/7/20 1:07 AM, John Snow wrote: >>>>> I'm seeing this gitlab test fail quite often in my Python work; I >>>>> don't >>>>> *think* this has anything to do with my patches, but maybe I need >>>>> to try >>>>> and bisect this more aggressively. >> [...] >>>> w.r.t. the error in your build, I told Thomas about the >>>> test_ppc_mac99/day15/invaders.elf timeouting but he said this is >>>> not his area. Richard has been looking yesterday to see if it is >>>> a TCG regression, and said the test either finished/crashed raising >>>> SIGCHLD, but Avocado parent is still waiting for a timeout, so the >>>> children become zombie and the test hang. >>> >>> Expected output: >>> >>> Quiescing Open Firmware ... >>> Booting Linux via __start() @ 0x01000000 ... >>> >>> But QEMU exits in replay_char_write_event_load(): >>> >>> Quiescing Open Firmware ... >>> qemu-system-ppc: Missing character write event in the replay log >>> $ echo $? >>> 1 >>> >>> Latest events are CHECKPOINT CHECKPOINT INTERRUPT INTERRUPT INTERRUPT. >>> >>> Replay file is ~22MiB. End of record using "system_powerdown + quit" >>> in HMP. >>> >>> I guess we have 2 bugs: >>> - replay log >>> - avocado doesn't catch children exit(1) >>> >>> Quick reproducer: >>> >>> $ make qemu-system-ppc check-venv >>> $ tests/venv/bin/python -m \ >>>    avocado --show=app,console,replay \ >>>    run --job-timeout 300 -t machine:mac99 \ >>>    tests/acceptance/replay_kernel.py >> >> Thanks, that was helpful. ... and the winner is: >> >>      commit   55adb3c45620c31f29978f209e2a44a08d34e2da >>      Author:  John Snow >>      Date:    Fri Jul 24 01:23:00 2020 -0400 >>      Subject: ide: cancel pending callbacks on SRST >> >> ... starting with this commit, the tests starts failing. John, any >> idea what >> might be causing this? > > This patch includes the following lines: > > +        aio_bh_schedule_oneshot(qemu_get_aio_context(), > +                                ide_bus_perform_srst, bus); > > replay_bh_schedule_oneshot_event should be used instead of this > function, because it synchronizes non-deterministic BHs. Why do we have 2 different functions? BH are already complex enough, and we need to also think about the replay API... What about the other cases such vhost-user (blk/net), virtio-blk? > > >> >>   Thomas >> >