Re: kswapd infinite loop

From: Rui Sousa (rsousa@grad.physics.sunysb.edu)
Date: Mon Jun 19 2000 - 18:29:28 EST


Goswin Brederlow wrote:
>
> >>>>> " " == 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?

kernel: BIOS-provided physical RAM map:
kernel: e820: 000000000009fc00 @ 0000000000000000 (usable)
kernel: e820: 0000000000000400 @ 000000000009fc00 (reserved)
kernel: e820: 0000000000020000 @ 00000000000e0000 (reserved)
kernel: e820: 0000000007ee0000 @ 0000000000100000 (usable)
kernel: e820: 0000000000018000 @ 0000000007fe0000 (ACPI data)
kernel: e820: 0000000000008000 @ 0000000007ff8000 (ACPI NVS)
kernel: e820: 0000000000001000 @ 00000000fec00000 (reserved)
kernel: e820: 0000000000001000 @ 00000000fee00000 (reserved)
kernel: e820: 0000000000040000 @ 00000000fffc0000 (reserved)
...
kernel: On node 0 totalpages: 32736
kernel: zone(0): 4096 pages.
kernel: zone(1): 28640 pages.
kernel: zone(2): 0 pages.

128Mb total.

Rui Sousa

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