systemd-udevd shows no such device error in reading initstate file

Solution Unverified - Updated -

Issue

  • systemd-udevd shows the following message.

    systemd-udevd: could not read from '/sys/module/pcc_cpufreq/initstate': No such device
    ...
    systemd-udevd: could not read from '/sys/module/acpi_cpufreq/initstate': No such device
    ...
    systemd-udevd: could not read from '/sys/module/intel_cstate/initstate' : No such device.
    

Environment

  • Red Hat Enterprise Linux 7
  • KVM or VMware virtual machine guest
  • Azure (Microsoft Corporation Virtual Machine/Virtual Machine)

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