Running "modprobe -r hvcs" RHEL 8 VM crashes with Kernel Panic and reboots

Solution In Progress - Updated -


  • Running "$ modprobe -r hvcs" in RHEL 8 VM crashes with Kernel Panic and reboots.

  • Running "mkvterm" command to open a console to any VM witihn the system, it crashes the Novalink VM immediately followed with a reboot. The command which crashed the VM is narrowed down to following command: "/sbin/modprobe -r hvcs".

  • While trying to open console using mkvterm command on novalink terminal drmgr command is failing.


  • Red Hat Enterprise Linux 8.6
    • 4.18.0-372.19.1.el8_6.ppc64le

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