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  1. Lustre
  2. LU-9971

MR: ABA problem in lnet_discover_peer_locked

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Details

    • Bug
    • Status: Resolved
    • Minor
    • Resolution: Fixed
    • None
    • Lustre 2.13.0, Lustre 2.12.6
    • None
    • 3
    • 9223372036854775807

    Description

      In lnet_discover_peer_locked() when we drop and re-acquire the net lock there is a possibility that the lpni might've been relinked, opening the window for an ABA problem.

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          is related to

          Bug - A problem which impairs or prevents the functions of the product. LU-10281 conf-sanity: test_54a hung at lnet_discover_peer_locked()

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Open

          Bug - A problem which impairs or prevents the functions of the product. LU-13652 [1575337.260035] LNetError: 8719:0:(peer.c:280:lnet_destroy_peer_locked()) LBUG

          • Major - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. LU-12519 sanity-sec test 31 crashes with ASSERTION( list_empty(&lp->lp_peer_nets) )

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              ashehata Amir Shehata
              ashehata Amir Shehata
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              Dates

                Created:
                Updated:
                Resolved: