On Fri, Oct 18, 2019 at 12:12 PM Liu Yiding <liuyd.fnst@xxxxxxxxxxxxxx> wrote: > > CC LKP mainter > > > On 10/18/19 2:32 PM, Liu Yiding wrote: > > Hi All. > > > > The patch 5c069b6dedef "selftests: Move test output to diagnostic > > lines" from Apr 24, 2019, > > > > leads to `make run_tests -C bpf` hanging forever. > > > > > > Bpf includes many subtest, when cmd `make run_tests -C bpf` runs to > > test_lwt_seg6local.sh, task will hang and runner.sh never run next > > task. I checked ps aux, prefix.pl will never exit. > > > > ``` > > > > 91058 [ 811.451584] # [25] VAR __license type_id=24 linkage=1 > > 91059 [ 811.451586]- > > 91060 [ 811.455365] # [26] DATASEC license size=0 vlen=1 size == 0 > > 91061 [ 811.455367]- > > 91062 [ 811.457424] #- > > 91063 [ 811.457425]- > > 91064 [ 811.460912] # selftests: test_lwt_seg6local [PASS] > > 91065 [ 811.460914]- > > 91066 [ 3620.461986] Thu Oct 17 14:54:05 CST 2019 detected soft_timeout > > > > ``` > > > > Ignore test_lwt_seg6local and run `make run_tests -C bpf` again, task > > will hang on test_tc_tunnel.sh. > > > > > > Kushwaha also meet this issue, `make run_tests -C bpf` hang on > > test_lwt_ip_encap.sh (This test failed on my localhost). > > Yes, i also faced this issue on Linux-5.3. if i kill prefix.pl or add timeout in prefix.pl, test move ahead. somehow this issue is not present on Linux 5.4-rc3+. It could be by chance and may show on any other version. --prabhakar (pk)
