Hyper-V RHEL6 guest unable to find ISCSI target after having it's kernel upgraded

Solution In Progress - Updated -

Issue

  • Server unable to boot into new kernel.
  • Module hv_netvsc fails to load leading to loosing network .
  • In the early phase of boot process, during modules loading, errors like these can be spotted:
hv_netvsc: disagrees about version of symbol vmbus_sendpacket
hv_netvsc: Unknown symbol vmbus_sendpacket
hv_netvsc: disagrees about version of symbol vmbus_teardown_gpadl
hv_netvsc: Unknown symbol vmbus_teardown_gpadl

NOTE: messages above repeat for many symbols related to vmbus

Environment

  • Red Hat Enterprise Linux 6
    • kernel-2.6.32-573.18.1.el6
  • Microsoft Linux Integration Services (LIS) 4.0.11.
  • Hyper-V

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