Re: continuing VM madness

From: Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz)
Date: Wed Nov 08 2000 - 11:58:53 EST


> > Should kswapd and klogd ever get "do_try_to_free_pages failed"? when
> > this happens my machine is destabilized, and pauses briefly from time to
> > time before locking up or otherwise becoming inert. This is 2.2.16+USB.
> >
> > Nov 7 14:51:36 cartman kernel: VM: do_try_to_free_pages failed for
> > kswapd...
> > Nov 7 15:46:39 cartman kernel: VM: do_try_to_free_pages failed for
> > panel...
>
> That seems to be the place for Andrea Arcangeli VM patch. Get it at:
>
> http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.2/2.2.16/mm-fix-*
>
> Or even better, get kernel 2.2.17 and
> http://www.kernel.org/pub/linux/kernel/people/alan/2.2.18pre/pre-patch-2.2.18-18.bz2
> http://www.kernel.org/pub/linux/kernel/people/andrea/patches/v2.2/2.2.18pre18/VM-global-2.2.18pre18-7.bz2
>
> and get a 2.2.18-pre18-vm, with USB support included.
>
> There is a 2.2.18-pre20 out, but I have not still checked if
> VM-global-2.2.18pre18-7.bz2
> works on it. It worked for me in -pre19.

Sadly it is not a bug but a VM misdesign (and people are just making
different workarounds that more or less work). I believe that this
solution will break again, as it happened in 2.2.15 and 2.2.16.

Go back to Linux 2.0 - it has the swapper implemented correctly :-)

Mikulas

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