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  1. Lustre
  2. LU-4273

Kernel panic in ll_fiemap code path

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Details

    • Bug
    • Resolution: Duplicate
    • Minor
    • None
    • Lustre 1.8.7
    • None
    • 3
    • 11740

    Description

      On a Lustre 1.8.7 client at NTNU (Norwegian University of Science and Technology), a problem occured when attempting to build the VISIT visualization software (https://wci.llnl.gov/codes/visit/).

      Backtrace:
      ================================================================
      crash> bt
      [[?1h[=[[53;1H[[KPID: 2743 TASK: ffff880445c48580 CPU: 2 COMMAND:
      "cpack"
      #0 [ffff88043f6b58b0] machine_kexec at ffffffff81020ac2
      #1 [ffff88043f6b5900] crash_kexec at ffffffff810887e0
      #2 [ffff88043f6b59d0] oops_end at ffffffff8139f600
      #3[ffff88043f6b59f0] __bad_area_nosemaphore at ffffffff8102ed15
      #4 [ffff88043f6b5ab0] page_fault at ffffffff8139e87f
      [exception RIP: lov_get_info+3653]
      RIP: ffffffffa07aaa15 RSP: ffff88043f6b5b68 RFLAGS: 00010217
      RAX: 0000000000000000 RBX: ffffffffffffffff RCX: ffff88043f6b5ce8
      RDX: 0000000000000009 RSI: 000007ffffffffff RDI: ffff880472de5b40
      RBP: 0000000000000000 R8: ffff88043f6b5c70 R9: 0000000000000000
      R10: 0000000000000001 R11: 0000000000000048 R12: ffff880413ba9000
      R13: ffff880472de5b40 R14: 0000000000000000 R15: ffffc9001d85b000
      ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
      #5 [ffff88043f6b5b60] lov_get_info at ffffffffa07aa831 [lov]
      #6 [ffff88043f6b5cb0] ll_do_fiemap at ffffffffa08052c7 [lustre]
      #7 [ffff88043f6b5e20] ll_fiemap at ffffffffa0805848 [lustre]
      #8 [ffff88043f6b5e90] ioctl_fiemap at ffffffff8110edbb
      #9 [ffff88043f6b5f10] do_vfs_ioctl at ffffffff8110f0e3
      #10 [ffff88043f6b5f40] sys_ioctl at ffffffff8110f4

      The client is running SLES11 SP1.

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            bogl Bob Glossman (Inactive)
            rganesan@ddn.com Rajeshwaran Ganesan
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            Dates

              Created:
              Updated:
              Resolved: