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  1. Lustre
  2. LU-2199

LBUG triggered in brw_interpret: "obdo already freed"

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Details

    • Bug
    • Resolution: Cannot Reproduce
    • Blocker
    • None
    • Lustre 2.4.0
    • orion-2_3_49_54_2-75chaos
    • 3
    • 5243

    Description

      Hit this LBUG on one of our Sequoia IO nodes running the old Orion code base orion-2_3_49_54_2-75chaos:

      LustreError: 3216:0:(osc_request.c:1859:brw_interpret()) @@@ obdo already freed  req@c0000003c24cc800 x1415959349900530/t12885333672(12885333672) o4->ls1-OST00e3-osc-c0000003c6904c00@172.20.2.27@o2ib500:6/4 lens 456/416 e 0 to 0 dl 1350423562 ref 1 fl Interpret:R/4/0 rc 0/0
      LustreError: 3216:0:(osc_request.c:1860:brw_interpret()) LBUG
      Call Trace:
      [c0000003e9343870] [c000000000008190] .show_stack+0x7c/0x184 (unreliable)
      [c0000003e9343920] [80000000009f0c1c] .libcfs_debug_dumpstack+0x9c/0xe0 [libcfs]
      [c0000003e93439c0] [80000000009f1260] .lbug_with_loc+0x50/0xc0 [libcfs]
      [c0000003e9343a50] [8000000004445918] .brw_interpret+0xd28/0xec0 [osc]
      [c0000003e9343b70] [800000000383b8a4] .ptlrpc_check_set+0x384/0x3c40 [ptlrpc]
      [c0000003e9343d10] [800000000387d86c] .ptlrpcd_check+0x5bc/0x760 [ptlrpc]
      [c0000003e9343e30] [800000000387dd28] .ptlrpcd+0x318/0x4d0 [ptlrpc]
      [c0000003e9343f90] [c00000000001a9e0] .kernel_thread+0x54/0x70
      ^GMessage from syslogd@(none) at Oct 16 14:37:37 ...
       kernel:LustreError: 3216:0:(osc_request.c:1860:brw_interpret()) LBUG
      Kernel panic - not syncing: LBUG
      Call Trace:
      [c0000003e9343880] [c000000000008190] .show_stack+0x7c/0x184 (unreliable)
      [c0000003e9343930] [c000000000432c0c] .panic+0x80/0x1a8
      [c0000003e93439c0] [80000000009f12c0] .lbug_with_loc+0xb0/0xc0 [libcfs]
      [c0000003e9343a50] [8000000004445918] .brw_interpret+0xd28/0xec0 [osc]
      [c0000003e9343b70] [800000000383b8a4] .ptlrpc_check_set+0x384/0x3c40 [ptlrpc]
      [c0000003e9343d10] [800000000387d86c] .ptlrpcd_check+0x5bc/0x760 [ptlrpc]
      [c0000003e9343e30] [800000000387dd28] .ptlrpcd+0x318/0x4d0 [ptlrpc]
      [c0000003e9343f90] [c00000000001a9e0] .kernel_thread+0x54/0x70
      LustreError: dumping log to /tmp/lustre-log.1350423457.3216
      

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            jay Jinshan Xiong (Inactive)
            prakash Prakash Surya (Inactive)
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              Created:
              Updated:
              Resolved: