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Beginner

Cisco ASA 5525 - higher cpu usage since update 9.12(3)12

On 13th of May we updated our Cisco ASA 5525 Cluster from 9.10(1)17 to 9.12(3)12.

Today I saw in our PRTG monitoring, that the cpu usage is know on 29-33 % during the night, when it was 3-5% before the update. The CPU usage raised exactly at the moment, when the update was done on 13th of May @ 7:30pm.

 

During the day we had usage of 30-45%, now it is between 35% - 65%.

Does anybody know something about this behaviour? Is there any kind of bug known?

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VIP Advisor

Possibly hitting this bug: https://bst.cloudapps.cisco.com/bugsearch/bug/CSCuy94787/?rfs=iqvred

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show version:

Hardware: ASA5525, 8192 MB RAM, CPU Lynnfield 2400 MHz, 1 CPU (4 cores)
ASA: 4202 MB RAM, 1 CPU (1 core)

 

CSCuy94787:
Hardware: ASA5525, 8192 MB RAM, CPU Lynnfield 2393 MHz, 1 CPU (4 cores)
ASA: 4096 MB RAM, 1 CPU (1 core) <<<< not affected

 

According to the bug description, this could not be the reason. But thanks for the hint.

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Please provide the output of the following commands:

sh processes cpu-usage non-zero
show processes cpu-hog

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