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Tue, 17 Mar 2020 20:26:28 +0000 (UTC) Received: from work-vm (ovpn-114-234.ams2.redhat.com [10.36.114.234]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 11A375C1BB; Tue, 17 Mar 2020 20:26:22 +0000 (UTC) Date: Tue, 17 Mar 2020 20:26:20 +0000 From: "Dr. David Alan Gilbert" To: Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= Subject: Re: [PATCH 3/4] tests/migration: Disable autoconverge test on Travis-CI s390x Message-ID: <20200317202620.GJ3369@work-vm> References: <20200317200541.6246-1-philmd@redhat.com> <20200317200541.6246-4-philmd@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200317200541.6246-4-philmd@redhat.com> User-Agent: Mutt/1.13.3 (2020-01-12) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 216.205.24.74 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: Fam Zheng , Laurent Vivier , Thomas Huth , Juan Quintela , Cornelia Huck , qemu-devel@nongnu.org, Peter Xu , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, Paolo Bonzini , Alex =?iso-8859-1?Q?Benn=E9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" * Philippe Mathieu-Daud=E9 (philmd@redhat.com) wrote: > This test fails on Travis-CI s390x when configured with --disable-tcg: >=20 > $ make check-qtest > TEST check-qtest-s390x: tests/qtest/boot-serial-test > qemu-system-s390x: -accel tcg: invalid accelerator tcg > qemu-system-s390x: falling back to KVM > TEST check-qtest-s390x: tests/qtest/pxe-test > TEST check-qtest-s390x: tests/qtest/test-netfilter > TEST check-qtest-s390x: tests/qtest/test-filter-mirror > TEST check-qtest-s390x: tests/qtest/test-filter-redirector > TEST check-qtest-s390x: tests/qtest/drive_del-test > TEST check-qtest-s390x: tests/qtest/device-plug-test > TEST check-qtest-s390x: tests/qtest/virtio-ccw-test > TEST check-qtest-s390x: tests/qtest/cpu-plug-test > TEST check-qtest-s390x: tests/qtest/migration-test > ** > ERROR:tests/qtest/migration-test.c:1229:test_migrate_auto_converge: 'go= t_stop' should be FALSE > ERROR - Bail out! ERROR:tests/qtest/migration-test.c:1229:test_migrate_= auto_converge: 'got_stop' should be FALSE > make: *** [tests/Makefile.include:633: check-qtest-s390x] Error 1 Before we take the hammer to it, could you try reducing it's initial bandwidth, the code that says: /* * Set the initial parameters so that the migration could not converge * without throttling. */ migrate_set_parameter_int(from, "downtime-limit", 1); migrate_set_parameter_int(from, "max-bandwidth", 100000000); /* ~100Mb/= s */ knock a couple of 0's off that and see if it's happy. Dave > Per David Gilbert, it might be a threshold requiring tuning: > "it could just be the writing is slow on s390 and the migration > thread fast; in which case the autocomplete wouldn't be needed. > Perhaps we just need to reduce the bandwidth limit." >=20 > Disable the autoconverge test for now. >=20 > Signed-off-by: Philippe Mathieu-Daud=E9 > --- > tests/qtest/migration-test.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) >=20 > diff --git a/tests/qtest/migration-test.c b/tests/qtest/migration-test.c > index 3d6cc83b88..878399666e 100644 > --- a/tests/qtest/migration-test.c > +++ b/tests/qtest/migration-test.c > @@ -1181,6 +1181,16 @@ static void test_migrate_auto_converge(void) > MigrateStart *args =3D migrate_start_new(); > QTestState *from, *to; > int64_t remaining, percentage; > + char *travis_arch; > + > + /* > + * This test does not work reliably on Travis s390x. > + */ > + travis_arch =3D getenv("TRAVIS_CPU_ARCH"); > + if (travis_arch && g_str_equal(travis_arch, "s390x")) { > + g_test_skip("Test does not work reliably on s390x Travis contain= ers."); > + return; > + } > =20 > /* > * We want the test to be stable and as fast as possible. > --=20 > 2.21.1 >=20 -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK