[LU-9511] parallel-scale-stress-hw_parallel_grouplock test stuck on subtest 12, timeout 2hours, normally takes < 400sec

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.11.0
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: VIKRAM BABASO JADHAV (Inactive)

Description

stdout.log
17:34:15: All tests passed!
parallel_grouplock subtests -t 10 PASS
/usr/lib64/lustre/tests/parallel_grouplock -g -v -d /mnt/fs1/d0.parallel_grouplock -t 11
chmod 0777 /mnt/fs1
drwxrwxrwx 8 root root 270336 Aug 12 17:31 /mnt/fs1
su mpiuser sh -c "/usr/bin/mpirun -np 32 /usr/lib64/lustre/tests/parallel_grouplock -g -v -d /mnt/fs1/d0.parallel_grouplock -t 11 "
/usr/lib64/lustre/tests/parallel_grouplock is running with 32 task(es) in DEBUG mode
17:34:16: Running test #/usr/lib64/lustre/tests/parallel_grouplock(iter 0)
17:34:16: Beginning subtest 11
17:34:56: Finished subtest 11 (39.317 sec)
17:34:56: All tests passed!
parallel_grouplock subtests -t 11 PASS
/usr/lib64/lustre/tests/parallel_grouplock -g -v -d /mnt/fs1/d0.parallel_grouplock -t 12
su mpiuser sh -c "/usr/bin/mpirun -np 32 /usr/lib64/lustre/tests/parallel_grouplock -g -v -d /mnt/fs1/d0.parallel_grouplock -t 12 "
17:34:57: Running test #/usr/lib64/lustre/tests/parallel_grouplock(iter 0)
17:34:57: Beginning subtest 12

stderr.log

Issue Links

• duplicates: LU-9429 parallel-scale test_parallel_grouplock: test failed to respond and timed out

Comments

[Peter Jones]

Landed for 2.11

[Gerrit Updater]

Oleg Drokin ([e-mail]) merged in patch https://review.whamcloud.com/27127/
Subject: LU-9511 utils: fix parallel_grouplock test timeout
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 4a33e1edd48c5db0e0c54c1226787c6575301bee

[Andreas Dilger]

Both this patch and the change from LU-9425 are changing the userspace code to avoid the problem, but that means it is still possible for real applications using group lock to become deadlocked. That shouldn't be allowed.

[Andreas Dilger]

It looks like this is the same as LU-9429.

[Gerrit Updater]

jadhav.vikram ([e-mail]) uploaded a new patch: https://review.whamcloud.com/27127
Subject: LU-9511 utils: fix parallel_grouplock test timeout
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: 80c6a9089cdccdd6e3096d5bfc7cdd717cf122ea