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Oracle Linux: Serial Port Console May Crash if Serial Port Baud Rate Set Too Low (Doc ID 2807467.1)

Last updated on SEPTEMBER 23, 2021

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64
Linux x86-64 on Oracle Public Cloud

Symptoms

On systems that use a physical serial console to monitor system output, such as on Sun/Oracle Integrated Lights Out Manager (iLOM) console interface, HPE Integrated Lights-Out (iLO), and others, it is possible that high levels of output can introduce abnormal system behavior such as kernel deadman timer events that indicate processes are unable to obtain CPU scheduler time.

Cause

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In this Document
Symptoms
Cause
Solution
References

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