kernel panic at RIP: bnx2x_set_mac_addr_e1h_gen+21

Solution Unverified - Updated -

Issue

  • System went into kernel panic, the following back trace was printed to the console.
PID: 2391   TASK: ffff810aaaad6860  CPU: 6   COMMAND: "ifdown-eth"
 #0 [ffff810b749e59e0] crash_kexec at ffffffff800af85a
 #1 [ffff810b749e5aa0] __die at ffffffff80065117
 #2 [ffff810b749e5ae0] do_page_fault at ffffffff8006748d
 #3 [ffff810b749e5bd0] error_exit at ffffffff8005dde9
    [exception RIP: bnx2x_set_mac_addr_e1h_gen+21]     
    RIP: ffffffff8820fbfe  RSP: ffff810b749e5c88  RFLAGS: 00010206
    RAX: 0000000000000001  RBX: ffff810c18d50500  RCX: 0000000000020000
    RDX: ffff810c18d5c6b8  RSI: 0000000000000000  RDI: 00000000000046c0
    RBP: 0000000000000000   R8: 0000000000000009   R9: 0000000000020000
    R10: ffff810c1a03e8a8  R11: ffffffff8821a3ac  R12: 0000000000000001
    R13: ffff810c1a03e8a8  R14: ffff810c18d50000  R15: 0000000000000009
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #4 [ffff810b749e5c90] bnx2x_set_iscsi_eth_mac_addr at ffffffff88212886 [bnx2x]
 #5 [ffff810b749e5cb0] bnx2x_unregister_cnic at ffffffff8821a3ea [bnx2x]
 #6 [ffff810b749e5cd0] cnic_netdev_event at ffffffff8850156a [cnic]

Environment

  • Red Hat Enterprise Linux 5.6
  • Kernel-2.6.18-238.1.1.el5
  • bnx2x driver version
driver: bnx2x
version: 1.52.53-4
firmware-version: bc 5.2.7 phy baa0:0105
bus-info: 0000:02:00.1

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