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  1. RHEL Testing
  2. RHELTEST-657

uffd-stress FAIL ERROR: invalid MiB

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    • rhel-sst-filesystems

      The uffd-stress (userfaultfd kselftest) is failing on some boxes due to an invalid MiB allocation request:

      1. ----------------------------------
      2. running ./uffd-stress hugetlb 8 32
      3. ----------------------------------
      4. ERROR: invalid MiB (errno=9, @uffd-stress.c:457)
      5. Usage: ./uffd-stress <test type> <MiB> <bounces>
      6. Supported <test type>: anon, hugetlb, hugetlb-private, shmem, shmem-private
      7. Examples:
      8. # Run anonymous memory test on 100MiB region with 99999 bounces:
      9. ./uffd-stress anon 100 99999
      10. # Run share memory test on 1GiB region with 99 bounces:
      11. ./uffd-stress shmem 1000 99
      12. # Run hugetlb memory test on 256MiB region with 50 bounces:
      13. ./uffd-stress hugetlb 256 50
      14. # Run the same hugetlb test but using private file:
      15. ./uffd-stress hugetlb-private 256 50
      16. # 10MiB-~6GiB 999 bounces anonymous test, continue forever unless an error triggers
      17. while ./uffd-stress anon $[RANDOM % 6000 + 10] 999; do true; done
      18. [FAIL]
        not ok 3 uffd-stress hugetlb 8 32 # exit=1

      Example test failure:
      https://datawarehouse.cki-project.org/kcidb/tests/15877723

              rhn-support-aubaker Audra Mitchell
              rhn-support-aubaker Audra Mitchell
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