Date: Wed, 3 Dec 2014 17:04:49 -0800 From: John-Mark Gurney <jmg@funkthat.com> To: Jung-uk Kim <jkim@freebsd.org> Cc: arch@freebsd.org, Poul-Henning Kamp <phk@phk.freebsd.dk> Subject: Re: enable TRIM by default ? Message-ID: <20141204010449.GP99957@funkthat.com> In-Reply-To: <547F6775.2060803@FreeBSD.org> References: <89094.1417506193@critter.freebsd.dk> <20141203071447.GC13944@server.rulingia.com> <D89BEB95-3043-4136-AC65-FE6CF2D0EC4D@bsdimp.com> <20141203083444.GD13944@server.rulingia.com> <94311.1417596043@critter.freebsd.dk> <20141203185519.GF13944@server.rulingia.com> <547F6775.2060803@FreeBSD.org>
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Jung-uk Kim wrote this message on Wed, Dec 03, 2014 at 14:41 -0500:
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> On 12/03/2014 13:55, Peter Jeremy wrote:
> > On 2014-Dec-03 08:40:43 +0000, Poul-Henning Kamp
> > <phk@phk.freebsd.dk> wrote:
> >> -------- In message <20141203083444.GD13944@server.rulingia.com>,
> >> Peter Jeremy writes:
> >>
> >>> It's a Super Talent FEM16GF13M - which describes itself as a
> >>> SSD and has a PATA interface. That trial was ~3 years ago and
> >>> so probably on 8.x.
> >>
> >> A lot of scammers realized that if they put a CF card inside a
> >> big box they could charge twice the price.
> >
> > In this case, it's a bare PCB with the chips soldered onto it (I
> > didn't keep a record of the chips). Possibly they've copied
> > firmware from a CF controller but it definitely doesn't have a CF
> > card in it.
>
> I looked it up on Amazon and it had photos. It seems the card has
> Phison P3016-P7-L on it[1] and it looks like a low-cost CF controller
> supporting CF 5.0 spec[2]. Unfortunately, TRIM was added in CF 6.0[3].
If we tried to enable CFA ERASE on a card not supporting it, we should
fix our driver, though if they lied about which CF spec they support,
then there isn't much we can do except add a quirk...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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