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Oracle Linux: CPU X: No idle states (Doc ID 2557309.1)

Last updated on FEBRUARY 26, 2020

Applies to:

Linux OS - Version Oracle Linux 6.9 to Oracle Linux 7.6 with Unbreakable Enterprise Kernel [4.14.35] [Release OL6U9 to OL7U6]
Linux x86-64

Symptoms

An Oracle Linux OS running with  "cpupower idle-info" command but throwing messages "CPUidle driver: none" and "CPU 0: No idle states"

# cpupower idle-info
CPUidle driver: none
CPUidle governor: menu
analyzing CPU 0:
CPU 0: No idle states  

Please note, from the command "cpupower idle-info" with the output "CPU 0: No idle states", indicates HW (Hardware) related issue. Normally, it should have Available idle states [e.g. Available idle states: POLL C1-IVB C1E-IVB C3-IVB C6-IVB (Xeon CPU E3-1245 V2)]

Cause

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In this Document
Symptoms
Cause
Solution
References


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