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Q:
What does "Core temperature above threshold" error message indicate?
Sometimes we would see the below messages in the messages logs on a Airwave server,
[ 940.111653] CPU4: Core temperature above threshold, cpu clock throttled (total events = 39584) [ 940.111654] CPU5: Core temperature above threshold, cpu clock throttled (total events = 39584) [ 940.111667] CPU5: Package temperature above threshold, cpu clock throttled (total events = 46523) [ 940.111670] CPU4: Package temperature above threshold, cpu clock throttled (total events = 46523) [ 940.111672] CPU1: Package temperature above threshold, cpu clock throttled (total events = 46523)
This indicates that there is some issue which is causing the CPU to over heat. There are several reasons why the CPU could overheat. Couple of them are Kernel issues, stopped fans, bad fan/temperature management, dusty airflow, etc.
Next Step: Please contact Aruba TAC if the server is purchased from Aruba or contact the respective server team.
We can get the message logs from the path "/var/log"
Note: Ignoring this message, you will eventually destroy your CPU or lose significant amounts of performance or both.
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