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SubjectRe: VM breakdown, 2.4.0 family

On Sat, 27 Jan 2001, David Ford wrote:

> Since the testN series and up through ac12, I experience total loss of
> control when memory is nearly exhausted.
>
> I start with 256M and eat it up with programs until there is only about
> 7 megs left, no swap. From that point all user processes stall and the
> disk begins to grind nonstop. It will continue to grind for about 25-30
> minutes until it goes completely silent. No processes get killed, no VM
> messages are emitted.
>
> The only recourse is the magic key. If I reboot before the disk goes
> silent I can cleanly kill X with sysrq-E and restart.
>
> If I wait until it goes silent, all is lost. I have to sysrq-SUB.
>
> Note, I do not have ANY swap enabled for these tests.
>


Could you try this patch and tell the result?

http://bazar.conectiva.com.br/~marcelo/patches/v2.4/2.4.1pre10/bg_page_aging.patch

Thanks

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