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by theamk 597 days ago
I am surprised.. all this complex discovery and the syslogs were containing the culprit line from the first moment:

    serial8250: too much work for irq4
do people not look at syslog anymore? It's one of the first things I do on unexplainable problems - check for OOM's, thermal throttling, BUGs, etc... Sure, it's not the most common problem, but the check is fast and easy.