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Date: Thu, 6 Jan 2005 11:29:51 -0800
From: Kris Kennaway <kris@obsecurity.org>
To: David Gilbert <dgilbert@dclg.ca>
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cc: Kris Kennaway <kris@obsecurity.org>
Subject: Re: Deadlock with 32GB swap-backed md
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On Thu, Jan 06, 2005 at 11:04:54AM -0500, David Gilbert wrote:
> >>>>> "Kris" =3D=3D Kris Kennaway <kris@obsecurity.org> writes:
>=20
> Kris> In my quest for ever-more-insane things to do to panic package
> Kris> build machines, I switched them over to use a 32GB swap
> Kris> partition as a swap-backed md, in the hopes of improving build
> Kris> times by cutting back on disk accesses.  This seemed to work (I
> Kris> wasn't sure you could use this much on i386, but the system let
> Kris> me configure as much as 32GB), except two of them have locked
> Kris> up.  ps shows
>=20
> Not that I've looked at this, but isn't MFS constrained by 32 bit
> pointers in i386?

Yes, but apparently they're used for block-level indexing and not
just byte-level.

Kris

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