Multiport Comtech Fastcom card does not work

Solution In Progress - Updated -

Issue

  • Multiport Comtech Fastcom serial card does not work on Red Hat Enterprise Linux 8
  • The same card works on Red Hat Enterprise Linux 7 and 9

Environment

  • Red Hat Enterprise Linux 8
  • Multiport Comtech Fastcom serial card, for example 422/4-PCIE

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