On 11/10/22 11:37 AM, Manu Bretelle wrote:
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?
Thanks. Will add to the next revision.
recursion # skel_attach unexpected error: -524 (trampoline)
ringbuf # skel_load skeleton load failed (?)
select_reuseport # intermittently fails on new s390x setup
--
2.30.2
