After upgrading to RHEL 7.4, some PCI passthrough devices stop working

Solution Verified - Updated -

Issue

  • After upgrading to RHEL 7.4, a PCI passthrough device that was working fine in previous versions stops working.
  • In RHEL 7.4, a VM with a PCI passthrough device hangs on boot.

Environment

  • Red Hat Enterprise Linux 7.4
  • qemu-kvm < 1.5.3-149.el7
  • kernel from 3.10.0-693 series

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