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SubjectRe: kswapd
On Thu, Mar 05, 1998 at 12:48:36AM -0500, Jon Lewis wrote:
>
> Speaking of kswapd...anyone ever seen kswapd eat LOTS of CPU time?
> Today, or Squid server started acting funny (atually, it just stopped
> processing requests even though it was running and eating fds) and the
> only other odd thing I noticed was:
>
> root 3 0.0 0.0 0 0 ? SW<Mar 3 71224874:27 (kswapd)
>
> The system's only been up 1 day. Is the kernel (2.0.33) confused?

I saw something similar with kflushd in 2.0.28 more than a year ago (note
that my cpu time was about the same as yours):

> Date: Tue, 21 Jan 1997 15:34:56 +0200 (EET)
> From: Petri Kaukasoina <kaukasoi@elektroni.ee.tut.fi>
> To: linux-kernel@vger.rutgers.edu
> Subject: 2.0.28: something strange
>
> Something strange just happened. Reading news became very very slow
> and syslog received these:
>
> Jan 21 15:23:08 elektroni kernel: eth0: Infinite loop in interrupt, status 2011.
> Jan 21 15:23:08 elektroni last message repeated 10 times
> Jan 21 15:24:01 elektroni kernel: eth0: Infinite loop in interrupt, status 2011.
>
> After a minute or so everything seems ok again.
>
> But kflushed has gained a "little" cpu time:
>
> USER PID %CPU %MEM SIZE RSS TTY STAT START TIME COMMAND
> root 2 0.0 0.0 0 0 ? SW Jan 14 71224874:23 (kflushd)
>
> Kernel 2.0.28, 486/66, IDE, ext2, VLB, 16 M RAM, 3c509b. IP-firewall. Xfree.
>
> Suggestions?

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