[6.0] igb panics when receiving tag vlan packet

Solution Unverified - Updated -

Issue

  • If igb's SRIOV and promiscuos mode are enabled and the interface receives a tag VLAN packet, System panics.
  • Server could panic when tagged VLAN packet is sent from remote host
  • Server with Intel 82576 NIC could panic when tagged VLAN packet is sent from remote host
  • Server with Intel 82576 NIC (Kawela) panics if it does not have any VLANs registered, and it receives a tagged VLAN packet from remote host
  • System panic when restarting igb/ixgbe network drivers

Environment

  • Red Hat Enterprise Linux Version 6.0GA 

  • Architecture:x86_64

  • Kernel Version:2.6.32-71.el6.x86_64
  • igb driver and Intel Network Chip 82576

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