./OS -tf problem
@ubuntu1804-008% ./os -tf [OS][ ] Running fork test ['ALL'] with 1 CPUs Traceback (most recent call last): File "./os", line 53, in main() File "./os", line 46, in main check_and_run_tests(args) File "/srv/DFSc/cs-teaching/home/u9/l443chen/.kpptr/kpptr/tests/init.py", line 37, in check_and_run_tests test_all_fork_tests(args.test_fork) File "/srv/DFSc/cs-teaching/home/u9/l443chen/.kpptr/kpptr/tests/a2/fork.py", line 236, in test_all_fork_tests test_onefork() File "/srv/DFSc/cs-teaching/home/u9/l443chen/.kpptr/kpptr/tests/a2/fork.py", line 140, in test_onefork onefork_decoded = onefork.stdout.decode('utf-8') UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc0 in position 583: invalid start byte