lpfc ioctl crash in lpfc_nlp_put()

Solution Verified - Updated -

Issue

  • Red Hat Enterprise Linux 5.4 machine in a 2-node VCS cluster has crashed with following traces

     #0 [ffff8102579eda80] crash_kexec at ffffffff800ad2aa
     #1 [ffff8102579edb40] __die at ffffffff80065157
     #2 [ffff8102579edb80] do_page_fault at ffffffff80066dd7
     #3 [ffff8102579edc70] error_exit at ffffffff8005dde9
        [exception RIP: _spin_lock_irqsave+3]
        RIP: ffffffff80064b0b  RSP: ffff8102579edd20  RFLAGS: 00010006
        RAX: 0000000000000206  RBX: 0000000000001578  RCX: 0000000000004d6b
        RDX: ffffffff8816104d  RSI: 0000000000000100  RDI: 0000000000001578
        RBP: ffff810fa17a7e00   R8: 0000000052000045   R9: 0000000000000000
        R10: ffff81010fee4158  R11: 0000000000000282  R12: ffff8102579eded8
        R13: ffff81047f6da000  R14: 0000000000000000  R15: ffff810111434000
        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
     #4 [ffff8102579edd20] lpfc_nlp_put at ffffffff88131dd0
     #5 [ffff8102579edd60] lpfc_ioctl_send_mgmt_cmd at ffffffff8815623a
     #6 [ffff8102579eddf0] lpfcdfc_do_ioctl at ffffffff88156d9f
     #7 [ffff8102579ede90] lpfcdfc_compat_ioctl at ffffffff88157999
     #8 [ffff8102579edf20] compat_sys_ioctl at ffffffff800f927c
     #9 [ffff8102579edf80] cstar_do_call at ffffffff8006160c
    
  • Crash in the lpfc driver under the function lpfc_nlp_put()

Environment

  • Red Hat Enterprise Linux 5
  • lpfc driver

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