CMCI storm detected

Installing and Using OpenWrt
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Found this in my klog recently. A new one on me, and maybe to a lot of people, I didnt get a hit on this in the forum...

This is on my CI327 Zotac x86 router box, feeding my C7 AP. Its running 19.07.4.

Wierd thing, is that its been in this configuration for a long time. It has 46 days of uptime. I havent changed or upgraded anything recently except maybe the Adblock package, and that was weeks ago.

Guess I need to calculate the time of these CMCI storms. BTW, anyone know of a graceful calculator for converting from count to days, hours, sec?

Anyone have an idea what this is? Info seems kinda thin elswhere. Some said it could be hardware incompatibility or fault... but, as I mentioned, 46d of mostly no problem.

[2934454.067906] CMCI storm detected: switching to poll mode
[2934757.100374] CMCI storm subsided: switching to interrupt mode
[2935176.075686] CMCI storm detected: switching to poll mode
[2935478.108388] CMCI storm subsided: switching to interrupt mode
[2935534.967104] CMCI storm detected: switching to poll mode
[2935834.982539] CMCI storm subsided: switching to interrupt mode
[2935838.080052] CMCI storm detected: switching to poll mode
[2936301.041980] CMCI storm subsided: switching to interrupt mode
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Thanks for that... Im on my phone and have no handy SSH/console app to try that, but will later.

Just calculating some numbers, (if I did it right) it looks like it happened 12 days ago, and my default length syslog is only about a day and a half long, what with all the DHCP requesting and acking. Ah well.

In answering my own question on WHAT this is, after a lot of digging, this is the best description I've found so far https://helpful.knobs-dials.com/index.php/Linux_admin_notes_-_health_and_statistics Its a ways down the page. Sounds like maybe I want to find a memory tester...