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  1. Lustre
  2. LU-15815

fast_read/stale data/reclaim workround causes SIGBUS

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    • 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
          6 kB
          Andrew Perepechko
        2. mmap_fault_vs_drop_caches3.c
          2 kB
          John Hammond
        3. osu_alltoall_trimmed.dk
          84 kB
          John Hammond

            panda Andrew Perepechko
            jhammond John Hammond
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              Created:
              Updated:
              Resolved: