There's a non-trivial chance that what now goes wrong with paging
(which did once work, even if it isn't great) is a symptom of a bug
that afflicts the virtual memory code itself. (For instance, a page unlocked
during a critical period, a race, and so on.)



On 2 November 2012 19:18, erik quanstrom <quans...@quanstro.net> wrote:

> On Fri Nov  2 15:10:00 EDT 2012, skip.tavakkol...@gmail.com wrote:
> > it's by design:
> > http://9fans.net/archive/2006/07/229
> >
> > -Skip
> >
> > On Fri, Nov 2, 2012 at 10:36 AM, Pavel Klinkovsky
> > <pavel.klinkov...@gmail.com> wrote:
> > >>> It really seems as a problem with swap. :(
> > >>
> > >> this is well known, and solutions are available
> > >> even if you don't care to use them.
> > >
> > > Oh, does it mean the official Plan 9 distribution contains non-working
> swap? :O
> > > It is clear I missed something...
> > >
> > > Sorry for the noise.
>
> i don't think that's quite fair to the current situation.  there
> was a swapper, and it's broken.  it should either be fixed or
> removed.  leaving the thing in in the state it's in (buffalo
> buffalo?) doesn't make any sense, and is as seperate from
> the question of whether to page (to disk) or not as, ahem, vm is from
> paging (to disk).
>
> imo, swap needs to go.
>
> - erik
>
>

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