Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-15815

fast_read/stale data/reclaim workround causes SIGBUS

XMLWordPrintable

    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Critical Critical
    • Lustre 2.15.0
    • None
    • None
    • 3
    • 9223372036854775807

      The fast_read stale data workaround from LU-14541 can cause applications to receive a spurious SIGBUS when reclaim runs concurrently with page fault handler for mmaped files.

        1. image_2022-05-03_13-25-27.png
          image_2022-05-03_13-25-27.png
          6 kB
        2. mmap_fault_vs_drop_caches3.c
          2 kB
        3. osu_alltoall_trimmed.dk
          84 kB

            panda Andrew Perepechko
            jhammond John Hammond
            Votes:
            0 Vote for this issue
            Watchers:
            9 Start watching this issue

              Created:
              Updated:
              Resolved: