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Fri, 26 Jul 2024 09:12:09 -0700 (PDT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Sat, 27 Jul 2024 02:12:04 +1000 Message-Id: Cc: , "Daniel Henrique Barboza" , =?utf-8?q?Alex_Benn=C3=A9e?= , "Peter Maydell" , "Richard Henderson" Subject: Re: [PATCH v2] tests/tcg: Skip failing ppc64 multi-threaded tests From: "Nicholas Piggin" To: "Thomas Huth" , X-Mailer: aerc 0.18.0 References: <20240725154003.428065-1-npiggin@gmail.com> <3919ac75-1cce-4fad-a0eb-4ec11865c011@redhat.com> In-Reply-To: <3919ac75-1cce-4fad-a0eb-4ec11865c011@redhat.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=npiggin@gmail.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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 Fri Jul 26, 2024 at 7:11 PM AEST, Thomas Huth wrote: > On 25/07/2024 17.40, Nicholas Piggin wrote: > > In Gitlab CI, some ppc64 multi-threaded tcg tests crash when run in the > > clang-user job with an assertion failure in glibc that seems to > > indicate corruption: > >=20 > > signals: allocatestack.c:223: allocate_stack: > > Assertion `powerof2 (pagesize_m1 + 1)' failed. > >=20 > > Disable these tests for now. > >=20 > > Signed-off-by: Nicholas Piggin > > --- > > tests/tcg/ppc64/Makefile.target | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > >=20 > > diff --git a/tests/tcg/ppc64/Makefile.target b/tests/tcg/ppc64/Makefile= .target > > index 8c3e4e4038..509a20be2b 100644 > > --- a/tests/tcg/ppc64/Makefile.target > > +++ b/tests/tcg/ppc64/Makefile.target > > @@ -11,6 +11,18 @@ config-cc.mak: Makefile > > =20 > > -include config-cc.mak > > =20 > > +# multi-threaded tests are known to fail (e.g., clang-user CI job) > > +# See: https://gitlab.com/qemu-project/qemu/-/issues/2456 > > +run-signals: signals > > + $(call skip-test, $<, "BROKEN (flaky with clang) ") > > +run-plugin-signals-with-%: > > + $(call skip-test, $<, "BROKEN (flaky with clang) ") > > + > > +run-threadcount: threadcount > > + $(call skip-test, $<, "BROKEN (flaky with clang) ") > > +run-plugin-threadcount-with-%: > > + $(call skip-test, $<, "BROKEN (flaky with clang) ") > > + > > ifneq ($(CROSS_CC_HAS_POWER8_VECTOR),) > > PPC64_TESTS=3Dbcdsub non_signalling_xscv > > endif > > Could you please check whether this is already fixed by Richard's patch: > > https://gitlab.com/qemu-project/qemu/-/commit/8e466dd092469e5ab0f355775= c57 Okay removing the sanitizing entirely fixes it, e.g., this patch https://gitlab.com/npiggin/qemu/-/commit/6160a7dd834b2d0e7bb08f13f709693ffa= 7c8d06 Result: https://gitlab.com/npiggin/qemu/-/jobs/7436997610 Thanks, Nick