'cpupower frequency-info' command crashes with 'Floating point exception' and generates coredump after updating kernel-tools to 3.10.0-862.el7.x86_64 on vmware guest with AMD cpu model 23.

Solution Verified - Updated -

Issue

  • 'cpupower frequency-info' command crashes with 'Floating point exception' and generates coredump after updating kernel-tools to 3.10.0-862.el7.x86_64 on vmware guest with AMD cpu model 23.
#  cpupower frequency-info
analyzing CPU 0:
  no or unknown cpufreq driver is active on this CPU
  CPUs which run at the same hardware frequency: Not Available
  CPUs which need to have their frequency coordinated by software: Not Available
  maximum transition latency:  Cannot determine or is not supported.
  hardware limits: Not Available
  available cpufreq governors: Not Available
  Unable to determine current policy
  current CPU frequency: Unable to call hardware
  current CPU frequency:  Unable to call to kernel
  boost state support:
    Supported: no
    Active: no
Floating point exception (core dumped)

Environment

  • kernel-tools-3.10.0-862.el7.x86_64 or later.
  • Vmware guest with AMD cpu and model 23.
  • Red Hat Enterprise Linux 7.

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