On Azure Standard_B1ms with focal/5.8.0-1033-azure reproduced only sometimes. Also sometimes similar failure appears with testcase [87] (not [15] as reported here):
[87] (instance) event tracing - restricts events based on pid notrace filtering [FAIL] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1927749 Title: ubuntu_kernel_selftests ftrace fails on arm64 F / aws-5.8 / amd64 F azure-5.8 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1927749/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs