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Tsirkin" Subject: [PULL 2/6] tests/functional/test_aarch64_rme_virt: fix sporadic failure Date: Thu, 3 Apr 2025 18:09:26 -0700 Message-ID: <20250404010930.164329-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250404010930.164329-1-richard.henderson@linaro.org> References: <20250404010930.164329-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x432.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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1743729022456019100 From: Pierrick Bouvier This test was randomly failing on our CI, and on dev machines, especially with QEMU debug builds. >From the information collected, it's related to an implementation choice in edk2 QEMU virt support. The workaround is to disable KASLR, to avoid accessing protected memory. Note: this is *not* needed for the similar test_aarch64_rme_sbsaref. More information is available on the associated GitLab issue. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2823 Signed-off-by: Pierrick Bouvier Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Richard Henderson Message-ID: <20250328183816.2687925-1-pierrick.bouvier@linaro.org> Signed-off-by: Philippe Mathieu-Daud=C3=A9 Acked-by: Michael S. Tsirkin Signed-off-by: Richard Henderson Message-ID: <20250403203241.46692-2-philmd@linaro.org> --- tests/functional/test_aarch64_rme_virt.py | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tests/functional/test_aarch64_rme_virt.py b/tests/functional/t= est_aarch64_rme_virt.py index f4ad4d33d5..a1abf584f0 100755 --- a/tests/functional/test_aarch64_rme_virt.py +++ b/tests/functional/test_aarch64_rme_virt.py @@ -87,7 +87,9 @@ def test_aarch64_rme_virt(self): self.vm.add_args('-fsdev', f'local,security_model=3Dnone,path=3D{r= me_stack},id=3Dshr0') self.vm.add_args('-device', 'virtio-net-pci,netdev=3Dnet0') self.vm.add_args('-netdev', 'user,id=3Dnet0') - self.vm.add_args('-append', 'root=3D/dev/vda') + # We need to add nokaslr to avoid triggering this sporadic bug: + # https://gitlab.com/qemu-project/qemu/-/issues/2823 + self.vm.add_args('-append', 'root=3D/dev/vda nokaslr') =20 self.vm.launch() # Wait for host VM boot to complete. --=20 2.43.0