Date: Wed, 02 Aug 2006 07:32:32 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: henrik@brixandersen.dk Cc: bugs@freebsd.org, freebsd-embedded@freebsd.org Subject: Re: misc/101228: [nanobsd] [patch] Two more entries for FlashDevice.sub Message-ID: <20060802.073232.-494097392.imp@bsdimp.com> In-Reply-To: <20060802074408.GB15887@osgiliath.opasia.dk> References: <200608020252.k722qvUt091270@freefall.freebsd.org> <20060801.214141.-957833388.imp@bsdimp.com> <20060802074408.GB15887@osgiliath.opasia.dk>
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In message: <20060802074408.GB15887@osgiliath.opasia.dk>
Henrik Brix Andersen <henrik@brixandersen.dk> writes:
: On Tue, Aug 01, 2006 at 09:41:41PM -0600, M. Warner Losh wrote:
: > I'm worried that we're getting too many flashdevice.sub entries.
: > There's a *LOT* of different cards out there, all of them with
: > seemingly different geometries :-(...
:
: And this worries you because...?
flashdevice.sub has at best dubious value to start with. There are
literally thousands of geometries that we'd need to support. In
addition, this is a highly OEM'd business, so today's flash with a
'SanDisk 512MB' label won't necessarily be the same one in 3 months,
when a new process comes along. Having had to buy CF for a commercial
application for the past 5 years, I can tell you that every single one
of the 'lots' that we've purchased has been different. Even when
we're assured by the supplier they will be identical.
Warner
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