From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] Kernel panic when allocating a huge memory
Date: Fri, 2 Nov 2012 20:28:01 +0000 [thread overview]
Message-ID: <CAOw7k5hgNLNM0xBK=4x6yqykh3Ektdx9SxfXoitc-DU5R=w0tw@mail.gmail.com> (raw)
In-Reply-To: <ca1610db193c5a4cd7a949fb8309f3ae@ladd.quanstro.net>
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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 <quanstro@quanstro.net> wrote:
> On Fri Nov 2 15:10:00 EDT 2012, skip.tavakkolian@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.klinkovsky@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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next prev parent reply other threads:[~2012-11-02 20:28 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-02 9:50 [9fans] Kernel panic when compiling Go on native Plan 9 Pavel Klinkovsky
2012-11-02 10:56 ` Pavel Klinkovsky
2012-11-02 11:59 ` Richard Miller
2012-11-02 13:04 ` erik quanstrom
2012-11-02 12:19 ` Anthony Martin
2012-11-02 13:39 ` Pavel Klinkovsky
2012-11-02 13:51 ` Richard Miller
2012-11-02 13:57 ` erik quanstrom
2012-11-02 15:25 ` Richard Miller
2012-11-02 16:42 ` cinap_lenrek
2012-11-02 14:16 ` Pavel Klinkovsky
2012-11-02 13:39 ` Pavel Klinkovsky
2012-11-02 14:00 ` erik quanstrom
2012-11-02 14:39 ` Anthony Martin
2012-11-02 15:13 ` erik quanstrom
2012-11-02 16:44 ` steve
2012-11-02 15:21 ` Pavel Klinkovsky
2012-11-02 16:03 ` Pavel Klinkovsky
2012-11-02 17:07 ` Skip Tavakkolian
2012-11-02 17:09 ` erik quanstrom
2012-11-02 16:19 ` [9fans] Kernel panic when allocating a huge memory Pavel Klinkovsky
2012-11-02 16:29 ` erik quanstrom
2012-11-02 17:36 ` Pavel Klinkovsky
2012-11-02 18:36 ` John Floren
2012-11-02 18:52 ` erik quanstrom
2012-11-02 19:09 ` Skip Tavakkolian
2012-11-02 19:18 ` erik quanstrom
2012-11-02 20:28 ` Charles Forsyth [this message]
2012-11-03 5:43 ` pmarin
2012-11-03 6:53 ` steve
2012-11-03 6:56 ` erik quanstrom
2012-11-03 9:16 ` Charles Forsyth
2012-11-03 10:02 ` lucio
2012-11-03 15:40 ` erik quanstrom
2012-11-03 15:50 ` Charles Forsyth
2012-11-03 16:31 ` Kurt H Maier
2012-11-03 16:33 ` erik quanstrom
2012-11-03 16:46 ` hiro
2012-11-03 16:51 ` Kurt H Maier
2012-11-03 17:04 ` erik quanstrom
2012-11-03 17:13 ` Kurt H Maier
2012-11-03 17:22 ` Dan Cross
2012-11-03 17:28 ` Kurt H Maier
2012-11-03 17:38 ` hiro
2012-11-03 21:29 ` Steve Simon
2012-11-03 17:40 ` erik quanstrom
2012-11-03 17:45 ` Kurt H Maier
2012-11-03 17:57 ` erik quanstrom
2012-11-03 18:06 ` Kurt H Maier
2012-11-03 18:48 ` Charles Forsyth
2012-11-04 14:02 ` erik quanstrom
2012-11-04 14:18 ` hiro
2012-11-04 14:58 ` Charles Forsyth
2012-11-04 18:57 ` Bakul Shah
2012-11-04 14:54 ` Charles Forsyth
2012-11-04 16:14 ` Martin Harriss
2012-11-04 16:18 ` Charles Forsyth
2012-11-04 16:27 ` tlaronde
2012-11-04 19:17 ` tlaronde
2012-11-03 21:15 ` hiro
2012-11-03 16:55 ` balaji
2012-11-03 17:05 ` Matthew Veety
2012-11-02 17:42 ` [9fans] Kernel panic when compiling Go on native Plan 9 Pavel Klinkovsky
2012-11-05 13:33 ` [9fans] Kernel panic when allocating a huge memory Pavel Klinkovsky
2012-11-05 13:50 ` erik quanstrom
2012-11-05 15:56 ` Pavel Klinkovsky
2012-11-05 13:51 ` cinap_lenrek
2012-11-05 15:56 ` Pavel Klinkovsky
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