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  1. Lustre
  2. LU-15532

OOM in osd_device_alloc()

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: Minor Minor
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    • 9223372036854775807

      With my debug kernel (3.10.0-1062.9.1.el7.x86_64.debug) and v2_14_57-74-g5cde554f7f,
      struct brw_stats is now 47KB and the ldiskfs struct osd_device 50KB.

      In osd_device_alloc() we allocate the device using OBD_ALLOC_PTR() so this is an order 4 kmalloc which OOM pretty easily.

            wc-triage WC Triage
            jhammond John Hammond
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              Created:
              Updated: