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[Bug 721896] Re: kswapd0 100% cpu usage
% grep /proc/[0-9]*/comm
% cat $(dirname $(grep kswapd /proc/[0-9]*/comm))/wchan; echo
Do this when irrational CPU usage occurs. Show wchan. If
contention_wait, there's a fix. Anyway wchan is helpful.
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kswapd0 100% cpu usage
Status in “linux” package in Ubuntu:
After the running the latest ubuntu for at least 2 weeks, I've noticed that kswapd0 started using 100% CPU on one of my cores.
However, I have enough of RAM and not using swap (Swap: 11876344k total, 62336k used).
The only thing I can do to remove the problem is reboot the system.
I'm using Ubuntu 10.04.1 LTS server version without any kernel modifications.
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