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Problem Report 1399 Details

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Report 1399 Actions

    Problem Report Number 1399
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0681
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1996-07-25 08:00
    Product Standard Internationalised System Calls and Libraries Extended (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSU version 4.1.0
    Test Identification CAPIbase/flockf 3
    Problem Summary TSD4U.00134 This test may fail on slower implementations because the test does not wait long enough for the test to finish.
    Problem Text
    We observed that this test case has a hard-coded timeout that does
    not allow for slower systems. Normally we see a tet_getvar for
    VSU_MACHINE_PERFORMANCE and then that value is assigned to a variable
    "performance". The variable is then used as a multiplier of some
    fixed constant timeout value. In this case we see the following code
    in flockf33.c:
    -----------------------------------------------------------------------
    EFORK;
    wait_for(pid, (2*MAX_TIME_TO_RUN));
    tet_infoline("TEST: All the locks set by child are removed");
    tet_infoline(" after child has terminated");
    -----------------------------------------------------------------------
    There is no provision in the wait_for arguments for an adjustable
    performance number. Sometimes the test does succeed but often
    it fails and runs out of time (see journal entry provided).
    When I increased the multiplier value from 2*MAX_TIME_TO_RUN to
    (4*MAX_TIME_TO_RUN), the test case always succeeds:
    -----------------------------------------------------------------------
    10|1 /tset/CAPIbase/flockf/flockf3 16:39:06|TC Start, scenario ref 0-1
    15|1 1.10 1|TCM Start
    400|1 3 1 16:39:07|IC Start
    200|1 1 16:39:07|TP Start
    520|1 1 953417760 1 1|SPEC1170TESTSUITE CASE 3
    520|1 1 953417760 1 2|All advisory-mode locks placed on a file by a call to
    520|1 1 953417760 1 3|int lockf(int fildes, int function, off_t size) shall
    520|1 1 953417760 1 4|be removed when the process exits.
    520|1 1 1657405477 1 1|PREP: Open the data file
    520|1 1 1657405477 1 2|PREP: Fork a child
    520|1 1 249364486 1 1|PREP: Issue the locks
    520|1 1 1657405477 2 1|TEST: All the locks set by child are removed
    520|1 1 1657405477 2 2| after child has terminated
    520|1 1 1657405477 123 1|CLEANUP: Close file
    220|1 1 0 16:40:12|PASS
    410|1 3 1 16:40:12|IC End
    80|1 0 16:40:12|TC End
    900|16:40:12|TCC End
    ---------------------------------------------------------------------
    Test Output
    10|1 /tset/CAPIbase/flockf/flockf3 17:07:07|TC Start, scenario ref 0-1
    15|1 1.10 1|TCM Start
    400|1 3 1 17:07:08|IC Start
    200|1 1 17:07:08|TP Start
    520|1 1 712769546 1 1|SPEC1170TESTSUITE CASE 3
    520|1 1 712769546 1 2|All advisory-mode locks placed on a file by a call to
    520|1 1 712769546 1 3|int lockf(int fildes, int function, off_t size) shall
    520|1 1 712769546 1 4|be removed when the process exits.
    520|1 1 269549574 1 1|PREP: Open the data file
    520|1 1 269549574 1 2|PREP: Fork a child
    520|1 1 788529154 1 1|PREP: Issue the locks
    520|1 1 269549574 2 1|ERROR: wait_for: Timed-out waiting for child to exit.
    520|1 1 269549574 2 2|TEST: All the locks set by child are removed
    520|1 1 269549574 2 3| after child has terminated
    520|1 1 269549574 123 1|CLEANUP: Close file
    220|1 1 1 17:08:00|FAIL
    410|1 3 1 17:08:00|IC End
    80|1 0 17:08:00|TC End
    900|17:08:00|TCC End

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    We agree this is a test suite deficiency in the test
    suite version(s) listed.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion
    This is an agreed Test Suite Deficiency.

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