From: Richard Jones <rich@annexia.org>
To: Basile Starynkevitch <basile@starynkevitch.net>
Cc: Paul Steckler <steck@stecksoft.com>, caml-list@yquem.inria.fr
Subject: Re: [Caml-list] More re GC hanging
Date: Fri, 20 Aug 2010 16:21:44 +0100 [thread overview]
Message-ID: <20100820152144.GA25887@annexia.org> (raw)
In-Reply-To: <1281855821.2115.4.camel@glinka>
On Sun, Aug 15, 2010 at 09:03:41AM +0200, Basile Starynkevitch wrote:
> On Sun, 2010-08-15 at 15:57 +1000, Paul Steckler wrote:
> > I haven't yet come up with a solution to the GC hanging problem I
> > mentioned the other day.
> >
> > But here's something that looks funny. [..]
>
> > After turning on the Gc verbose option, I see:
>
> [...]
> > !<>Sweeping 9223372036854775807 words
> > Starting new major GC cycle
> > Marking 9223372036854775807 words
> > Subphase = 10
> > Sweeping 9223372036854775807 words
> >
> > Those are some big mark and sweep numbers at the end!
>
> I guess this is related to the fact that recent Linux kernel have turned
> on the randomize virtual address space feature -designed to improve
> system security. You could disable it by
> echo 0 > /proc/sys/kernel/randomize_va_space
> but first learn more about it.
>
> I believe recent Ocaml versions (did you try 3.12?) have GC improvements
> for that.
Would that be:
https://bugzilla.redhat.com/show_bug.cgi?id=445545
(fixed in OCaml 3.11)?
Rich.
--
Richard Jones
Red Hat
next prev parent reply other threads:[~2010-08-20 15:21 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-15 5:57 Paul Steckler
2010-08-15 7:03 ` [Caml-list] " Basile Starynkevitch
2010-08-15 8:34 ` Paul Steckler
2010-08-15 8:40 ` Paul Steckler
2010-08-15 9:16 ` Basile Starynkevitch
[not found] ` <AANLkTi=-8ZcxSy08fsh8wkTvscGLYzBsqN07OmOi5o6d@mail.gmail.com>
2010-08-15 9:55 ` Fwd: " Paul Steckler
2010-08-15 10:41 ` Fwd: " Sylvain Le Gall
2010-08-15 11:32 ` [Caml-list] " Vincent Hanquez
2010-08-15 10:45 ` [Caml-list] " Adrien
2010-08-15 11:17 ` David Allsopp
2010-08-15 12:12 ` Basile Starynkevitch
2010-09-01 15:24 ` Damien Doligez
2010-09-01 16:44 ` Adrien
2010-08-15 10:19 ` rixed
2010-08-20 15:21 ` Richard Jones [this message]
2010-08-20 23:30 ` Eray Ozkural
2010-08-22 13:02 ` Adrien
2010-08-25 15:17 ` Goswin von Brederlow
2010-08-18 12:22 ` Goswin von Brederlow
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