Date: Wed, 3 Dec 2014 01:37:17 -0700 From: Warner Losh <imp@bsdimp.com> To: Peter Jeremy <peter@rulingia.com> Cc: arch@freebsd.org, Poul-Henning Kamp <phk@phk.freebsd.dk> Subject: Re: enable TRIM by default ? Message-ID: <DA07E4F1-625B-46B1-A092-C99D6FA05385@bsdimp.com> In-Reply-To: <20141203083444.GD13944@server.rulingia.com> References: <89094.1417506193@critter.freebsd.dk> <20141203071447.GC13944@server.rulingia.com> <D89BEB95-3043-4136-AC65-FE6CF2D0EC4D@bsdimp.com> <20141203083444.GD13944@server.rulingia.com>
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[-- Attachment #1 --] > On Dec 3, 2014, at 1:34 AM, Peter Jeremy <peter@rulingia.com> wrote: > > On 2014-Dec-03 00:45:47 -0700, Warner Losh <imp@bsdimp.com> wrote: >> >>> On Dec 3, 2014, at 12:14 AM, Peter Jeremy <peter@rulingia.com> wrote: >>> >>> On 2014-Dec-02 07:43:13 +0000, Poul-Henning Kamp <phk@phk.freebsd.dk> wrote: >>>> Isn't it time that we enable TRIM by default in newfs ? >>> >>> As an alternative viewpoint, I have a SSD that got severe indigestion when >>> I tried to enable TRIM: >>> aspire kernel: ad0: TIMEOUT - CFA ERASE retrying (1 retry left) >>> aspire kernel: ad0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - completing request directly >>> aspire kernel: ata1: error issuing SETFEATURES ENABLE WCACHE command >>> aspire kernel: ata1: error issuing SET_MULTI command >>> aspire kernel: ata1: error issuing WRITE_DMA command >>> The kernel then went to 1 core of interrupt and wedged. >> >> Is this a SSD, or a CF card of some flavor. The CFA ERASE trim method >> pre-dates the much better and easier to use DSM (Data Set Trim) method >> that more modern SSDs use. Perhaps we can take a cue off of that? Or >> maybe the detection for when to use CFA ERASE is busted since it was >> only ever supposed to be used with CF cards... > > 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. Also just noticed this is the ad driver, not the ada driver. Is the above dmesg from 8.x? Warner [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJUfsu9AAoJEGwc0Sh9sBEA3YgQAJHLfKO8h7JqbKjZtZTREzss 063r07PcxTvKkQf4fhS6WcgQ+VRzmXhoG9VTRq/ppG/GFyu7kcU769+NfX5vx8KD dq7eAdnN05RreOJdJBLFFGCb0iWLdDlHTjo70zPeTCL56ecNNzi25a8+v5K46Nkn eEWmSveo/w6u5An2HNTNeTRxtPoWFvTTyY/6u7080ep2/M8WAKJ2/rBds7m2rDby EUa97SZB/tn6zbEfldYafw2pmQJq2k8TfI4Qli6jrFSWK+0ynXnMqu+zd8f/1Wq+ MTnAE+2uXMRU9vHLTSJXQ4YW62yYYTwslBYOskHFLRcIcqokt4uiLuvOzS9+cGRB Md83XXcKtyPm4aYASVe/HimK9pdTepgMvuebyjDTO5iUW/tmNLck2f0EZfAra/cu 5H/IwTkzpV8WztCHfvSO6EC+7o9B1YtJDTf23xegynVTKWmc3LoUBZW2PvUiJy+R ZCh9NvY6cgJ9CQdlqSgx/+FpouNcQt+rRGPFwY4r/oQwm88a2SsuhP6Ox8kjtcBp YZpV0dTNi0+MFTcJdNC7ZPW5as3CcQoMzHTIk8kQsmR+cyyueM7YbF2mxi3TRM+T biP17aAgsMjBAyCdwZMtdcR5Gz/Yo1N8j0oVKlEPFgB6s6pv4AaKMMOYyol6GAQP PQXb56oUUDf/22IzCxLn =tcCQ -----END PGP SIGNATURE-----help
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