[RHEL5.5] cnic unregisters with bnx2/bnx2x

Solution Verified - Updated -

Issue

  • Unloading cnic after ifdown crash system with following panics:
    Code: 48 8b 10 48 85 d2 74 2a 65 8b 04 25 2c 00 00 00 89 c0 48 c1
RIP [<ffffffff881b0ac7>] : bnx2:bnx2_unregister_cnic+0x25/0x7c
RSP <ffff81012848bdf8>
CR2: 0000000000000000
<0>Kernel panic - not syncing: Fatal exception
  • And
    "eip: f89d52c0 bnx2 unregister cnic 0x21/0x6f
bnx2 ss:esp0068:f6cf5d9c
kernel panic - not syncing : fatal exception"

Environment

  • Red Hat Enterprise Linux 5.5 or older

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