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).
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_timeoutIgnore 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).
On Fri, Oct 18, 2019 at 12:12 PM Liu Yiding liuyd.fnst@cn.fujitsu.com 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_timeoutIgnore 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)
On 10/18/19 12:56 AM, Prabhakar Kushwaha wrote:
On Fri, Oct 18, 2019 at 12:12 PM Liu Yiding liuyd.fnst@cn.fujitsu.com 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_timeoutIgnore 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.
Kees added timeout in this commit and this went into 5.4-rc3, if recall correctly.
commit 852c8cbf34d3b3130a05c38064dd98614f97d3a8 Author: Kees Cook keescook@chromium.org
selftests/kselftest/runner.sh: Add 45 second timeout per test
Do you see a timed out message from this test though. The test needs to fixed probably, but this timeout helps bail out.
thanks, -- Shuah
Hi, i test it on v5.3-rc4, also meet this issue.
On 10/18/19 11:01 PM, Shuah Khan wrote:
On 10/18/19 12:56 AM, Prabhakar Kushwaha wrote:
On Fri, Oct 18, 2019 at 12:12 PM Liu Yiding liuyd.fnst@cn.fujitsu.com 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_timeoutIgnore 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.
Kees added timeout in this commit and this went into 5.4-rc3, if recall correctly.
commit 852c8cbf34d3b3130a05c38064dd98614f97d3a8 Author: Kees Cook keescook@chromium.org
selftests/kselftest/runner.sh: Add 45 second timeout per test
Do you see a timed out message from this test though. The test needs to fixed probably, but this timeout helps bail out.
I got TIMEOUT message for some tests, e.g. test_tunnel.sh, timeout works.
```
88418 user :notice: [ 1258.787439] not ok 36 selftests: bpf: test_tunnel.sh # TIMEOUT
```
But test_lwt_seg6local still hang, it seems that this timeout is working for testscript and seg6local hang on tap_prefix (prefix.pl).
```
89008 user :notice: [ 1259.886374] # [25] VAR __license type_id=24 linkage=1 89009 89010 user :notice: [ 1259.890166] # [26] DATASEC license size=0 vlen=1 size == 0 89011 89012 user :notice: [ 1259.893272] #- 89013 89014 user :notice: [ 1259.897190] # selftests: test_lwt_seg6local [PASS] 89015 89016 user :notice: [ 3623.763707] Fri Oct 18 16:12:56 CST 2019 detected soft_timeout
```
thanks, -- Shuah
On Fri, Oct 18, 2019 at 02:32:15PM +0800, 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.
I can't even run this, the autodetection seems broken. I have BPF and libelf installed....
$ make run_tests -C bpf [...]
Auto-detecting system features: ... libelf: [ OFF ] ... bpf: [ OFF ]
Auto-detecting system features: ... libelf: [ OFF ] ... bpf: [ OFF ]
No libelf found Makefile:269: recipe for target 'elfdep' failed make[2]: *** [elfdep] Error 1 Makefile:154: recipe for target 'all' failed make[1]: *** [all] Error 2
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_timeoutIgnore 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).
If it keeps hanging on progressively later tests, it sounds like some kind of stdout/stderr flushing (or reading) is missing. This is hard for me to debug without understanding how to have the kernel tree notice my installed libraries, though.
linux-kselftest-mirror@lists.linaro.org
-
Kees Cook -
Liu Yiding -
Prabhakar Kushwaha -
Shuah Khan