** Description changed: [Impact] - With 4.15 kernel, not all binary files inside a subtest directory in tools/testing/selftests of a kernel tree can be built with command: - make TARGETS=$subtest + With 4.15 kernel, not all binary files inside a subtest directory in + tools/testing/selftests of a kernel tree can be built with command: - For example, the following tests in net directory won't be built: - * reuseport_bpf - * reuseport_bpf_cpu - * reuseport_dualstack - * reuseaddr_conflict - * reuseport_bpf_numa + make TARGETS=$subtest - They can be build with: - make TARGETS=net run_tests + For example, the following binaries in net directory won't be built: + * reuseport_bpf + * reuseport_bpf_cpu + * reuseport_dualstack + * reuseaddr_conflict + * reuseport_bpf_numa - However, this will also start all of the tests in this subset, which is - not ideal for the granularity improvement. + They can only be build with: + + make TARGETS=net run_tests + + However, this will also start all of the tests in this subset and it's + is not ideal for the granularity improvement, in which we will want to + run tests one-by-one. [Fix] 1. 14f1889f selftests: Fix loss of test output in run_kselftests.sh 2. 44f01352 selftests: Makefile set KSFT_TAP_LEVEL to prevent nested TAP headers 3. 8ce72dc3 selftests: fix headers_install circular dependency 4. 27d79a2b selftests: fix bpf build/test workflow regression when KBUILD_OUTPUT is set 5. e2e88325 selftests: vm: Fix test build failure when built by itself The 2nd needs to be backported with some context adjustment. - The 3rd and 4th patch would need to be applied with -C2, the other two can be cherry-picked for Bionic. + The 3rd and 4th patch would need to be applied with -C2, the other two + can be cherry-picked for Bionic. - The third patch (8ce72dc3) is the fix for this issue. The 4th (27d79a2b) - and the 5th (e2e88325) have been marked as a fix for 8ce72dc3. + The third patch (8ce72dc3) is the fix for this issue. The 4th + (27d79a2b) and the 5th (e2e88325) patches are included here as they + have been marked as a fix for 8ce72dc3. [Test] - Tested on a baremetal node "glameow" with 4.15.0-159-generic, the test cases number and results are identical before and after applying this change (compared side-by-side). + Tested on a baremetal node "glameow" with 4.15.0-159-generic, the test + cases number and results are identical before and after applying this + change (compared side-by-side). Please find attachment in the bug report for the test result. [Where problems could occur] - As this is just tested with generic Bionic 4.15 kernel on a bare-metal system, it's is possible to see other issues on different variants. If this change is incorrect it will cause issue to our automated-testing and regression-testing, but it won't affect the real kernel functionality. + As this is just tested with generic Bionic 4.15 kernel on a bare-metal + system, it's is possible to see other issues on different variants. If + this change is incorrect it will cause issue to our automated-testing + and regression-testing, but it won't affect the real kernel + functionality.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1949889 Title: Unable to build net/reuseport_bpf and other tests in ubuntu_kernel_selftests on Bionic with make command Status in ubuntu-kernel-tests: New Status in linux package in Ubuntu: Fix Released Status in linux source package in Bionic: New Bug description: [Impact] With 4.15 kernel, not all binary files inside a subtest directory in tools/testing/selftests of a kernel tree can be built with command: make TARGETS=$subtest For example, the following binaries in net directory won't be built: * reuseport_bpf * reuseport_bpf_cpu * reuseport_dualstack * reuseaddr_conflict * reuseport_bpf_numa They can only be build with: make TARGETS=net run_tests However, this will also start all of the tests in this subset and it's is not ideal for the granularity improvement, in which we will want to run tests one-by-one. [Fix] 1. 14f1889f selftests: Fix loss of test output in run_kselftests.sh 2. 44f01352 selftests: Makefile set KSFT_TAP_LEVEL to prevent nested TAP headers 3. 8ce72dc3 selftests: fix headers_install circular dependency 4. 27d79a2b selftests: fix bpf build/test workflow regression when KBUILD_OUTPUT is set 5. e2e88325 selftests: vm: Fix test build failure when built by itself The 2nd needs to be backported with some context adjustment. The 3rd and 4th patch would need to be applied with -C2, the other two can be cherry-picked for Bionic. The third patch (8ce72dc3) is the fix for this issue. The 4th (27d79a2b) and the 5th (e2e88325) patches are included here as they have been marked as a fix for 8ce72dc3. [Test] Tested on a baremetal node "glameow" with 4.15.0-159-generic, the test cases number and results are identical before and after applying this change (compared side-by-side). Please find attachment in the bug report for the test result. [Where problems could occur] As this is just tested with generic Bionic 4.15 kernel on a bare-metal system, it's is possible to see other issues on different variants. If this change is incorrect it will cause issue to our automated-testing and regression-testing, but it won't affect the real kernel functionality. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1949889/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

