On Thu, Nov 10, 2022 at 10:02:01AM -0800, Yonghong Song wrote: > The new rcu_read_lock test will fail on s390x with the following error message: > > ... > test_rcu_read_lock:PASS:join_cgroup /rcu_read_lock 0 nsec > test_local_storage:PASS:skel_open 0 nsec > libbpf: prog 'cgrp_succ': failed to find kernel BTF type ID of '__s390x_sys_getpgid': -3 > libbpf: prog 'cgrp_succ': failed to prepare load attributes: -3 > libbpf: prog 'cgrp_succ': failed to load: -3 > libbpf: failed to load object 'rcu_read_lock' > libbpf: failed to load BPF skeleton 'rcu_read_lock': -3 > test_local_storage:FAIL:skel_load unexpected error: -3 (errno 3) > ... > > So add it to the s390x deny list. > > Signed-off-by: Yonghong Song <yhs@xxxxxx> > --- > tools/testing/selftests/bpf/DENYLIST.s390x | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/testing/selftests/bpf/DENYLIST.s390x b/tools/testing/selftests/bpf/DENYLIST.s390x > index be4e3d47ea3e..dd5db40b5a09 100644 > --- a/tools/testing/selftests/bpf/DENYLIST.s390x > +++ b/tools/testing/selftests/bpf/DENYLIST.s390x > @@ -41,6 +41,7 @@ module_attach # skel_attach skeleton attach failed: - > mptcp > netcnt # failed to load BPF skeleton 'netcnt_prog': -7 (?) > probe_user # check_kprobe_res wrong kprobe res from probe read (?) > +rcu_read_lock # failed to find kernel BTF type ID of '__x64_sys_getpgid': -3 (?) This also seems to fail on aarch64: ``` 2022-11-10T18:39:39.2406543Z test_rcu_read_lock:PASS:join_cgroup /rcu_read_lock 0 nsec 2022-11-10T18:39:39.2409781Z test_local_storage:PASS:skel_open 0 nsec 2022-11-10T18:39:39.2413002Z test_local_storage:PASS:skel_load 0 nsec 2022-11-10T18:39:39.2418758Z libbpf: prog 'cgrp_succ': failed to attach: ERROR: strerror_r(-524)=22 2022-11-10T18:39:39.2422765Z libbpf: prog 'cgrp_succ': failed to auto-attach: -524 2022-11-10T18:39:39.2428250Z test_local_storage:FAIL:skel_attach unexpected error: -524 (errno 524) 2022-11-10T18:39:39.2431555Z #145/1 rcu_read_lock/local_storage:FAIL 2022-11-10T18:39:39.2435392Z #145/2 rcu_read_lock/runtime_diff_rcu_tag:OK 2022-11-10T18:39:39.2439296Z #145/3 rcu_read_lock/negative_tests_region:OK 2022-11-10T18:39:39.2443876Z #145/4 rcu_read_lock/negative_tests_rcuptr_misuse:SKIP 2022-11-10T18:39:39.2446212Z #145 rcu_read_lock:FAIL ``` Can you add the test to DENYLIST.aarch64 also? > recursion # skel_attach unexpected error: -524 (trampoline) > ringbuf # skel_load skeleton load failed (?) > select_reuseport # intermittently fails on new s390x setup > -- > 2.30.2 >
