Re: kswapd infinite loop

From: Goswin Brederlow (goswin.brederlow@student.uni-tuebingen.de)
Date: Mon Jun 19 2000 - 16:36:12 EST


>>>>> " " == Rui Sousa <rsousa@grad.physics.sunysb.edu> writes:

> Hi, I just hit an infinite loop in kswapd on a two way SMP
> system, kernel test1-ac19. kswapd was using 100% of one of the
> processors. I logged in a X session (automatically starting 4
> xterms, xmms, gmix). There was some heavy disk activity, I
> waited ~15 seconds, nothing new happened so I switched to a
> VT. Started 'vmstat -n5' which showed me no swapping, just
> block IO. Eventually this settled but kswapd kept at 100% CPU
> usage.

How much memory do you have and who does the kernel accept that?
Look right at the top of dmesg for something like:

BIOS-provided physical RAM map:
 e820: 000000000009f000 @ 0000000000000000 (usable)
 e820: 0000000007f00000 @ 0000000000100000 (usable)
On node 0 totalpages: 32768
zone(0): 4096 pages.
zone(1): 28672 pages.
zone(2): 0 pages.

How many zones do you have?

May the Source be with you.
                        Goswin

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