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Oracle Linux: CRNG Entropy Value in Oracle Linux with UEKr5 Update 5 or UEKr6 Update 2 and later (Doc ID 2915090.1)

Last updated on MAY 24, 2024

Applies to:

Linux OS - Version Oracle Linux 7.9 with Unbreakable Enterprise Kernel [5.4.17] and later
Linux x86-64

Goal

When using UEKr5 Update 5 ( 4.14.35-2047.517.1.el7uek or higher ) or UEKr6 Update 2 ( kernel-uek-5.4.17-2102 and higher ), /proc/sys/kernel/random/entropy_avail shows a static value


Even when running rngd and/or changing parameters like kernel.random.write_wakeup_threshold ( see Oracle Linux: How to Set Entropy Value Above 3000 (Doc ID 2738113.1) )

Solution

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In this Document
Goal
Solution
References


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