From owner-svn-src-head@freebsd.org Wed Aug 17 16:07:18 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 84640BBD4FE for ; Wed, 17 Aug 2016 16:07:18 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-io0-x22e.google.com (mail-io0-x22e.google.com [IPv6:2607:f8b0:4001:c06::22e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 491B612FA for ; Wed, 17 Aug 2016 16:07:18 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-io0-x22e.google.com with SMTP id m101so139494491ioi.2 for ; Wed, 17 Aug 2016 09:07:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc:content-transfer-encoding; bh=sXOymg03wEIXSHlZsbXXBAyULcIHHA5ZOFE62g7kR8c=; b=vwfRnSuNmJaoNFVgN9GdgWrWdkF6kobpLz5HoDc6G/1NHljUFTlClghT6PYEepqJS1 bo6C9sk2wO1o+cPI6zMrUtptn76u/aD7LNRrGdeFr2UUhIQbF2j2M9zu5yesk5jV7fj7 1uhc2UF9JucuDdw9bj1eFGMSJiiR7LT1uTd3aacRnJOyPQCc27RwKnlyLWKgHYgCMR4u xKyLABkzdNLAN7vNSBHgxpQNDtWGTI86v6g8JWChxrbsEy/UvqoWNR6osGW83FaNNBun Q0HVRCWS6vBdDBObCk9Pd710qzcLu6IhZGnfbu4pEtgLFrQYisA2COq6K5O3+mrJtkkR eC1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc:content-transfer-encoding; bh=sXOymg03wEIXSHlZsbXXBAyULcIHHA5ZOFE62g7kR8c=; b=XS1bI/y2hl9MV4m4m8/3YY8ZPgWXiUU/IzFNQP86lqKUQvzPRiNNHLiekZhMPuJNqv qyOwAGY/hNLpYJnsEAAztVuucy+Dle3DkjHyaztri9m/+Qrs+0Y+62s7Gas1wGC2p3C+ 1P2gO2ruKv3uFKhgeGu6O0+mKc+kPIJ533CsN6rOgV45lzV1qugYciWhjA1MaIlEWo17 4gqkeEkt9EDCE7B/SCuXXRrwo6FSgrrS0zYm5FEJ1TpCdZPDGbR27Ic8f8ljr+ChmEjz lOwGMpU7LB0qkNZ4CYvDQiJsYbPkwvtwCZ4ZEXJ3j2Pq2xYo/ZqEDkfaKmNO03h+XiTY BN4A== X-Gm-Message-State: AEkoouuXnz9Xen/CR+eSRmOEUbPd0QWATWpvA7ms0VTsPRvvlztzbq8wXqZsnSvM0mnlv/74T+nuAp8XmxyyoA== X-Received: by 10.107.21.134 with SMTP id 128mr46043999iov.59.1471450037657; Wed, 17 Aug 2016 09:07:17 -0700 (PDT) MIME-Version: 1.0 Sender: wlosh@bsdimp.com Received: by 10.36.65.7 with HTTP; Wed, 17 Aug 2016 09:07:16 -0700 (PDT) X-Originating-IP: [69.53.245.200] In-Reply-To: References: <201608150930.u7F9UL1V069576@repo.freebsd.org> <861t1n6749.fsf@desk.des.no> <581c856c-826b-529e-c9c6-a397fb679708@freebsd.org> <86wpjf4eun.fsf@desk.des.no> <8cb3fa1a-50cb-e238-d006-b98a628d446d@freebsd.org> <86k2ff4cxs.fsf@desk.des.no> From: Warner Losh Date: Wed, 17 Aug 2016 10:07:16 -0600 X-Google-Sender-Auth: FzpSm3LweYC1M_S-iLcYqXcjSqA Message-ID: Subject: Re: svn commit: r304142 - head/usr.sbin/bsdinstall/partedit To: =?UTF-8?Q?Dag=2DErling_Sm=C3=B8rgrav?= Cc: Nathan Whitehorn , src-committers , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Aug 2016 16:07:18 -0000 On Wed, Aug 17, 2016 at 10:04 AM, Warner Losh wrote: > On Wed, Aug 17, 2016 at 9:45 AM, Dag-Erling Sm=C3=B8rgrav wr= ote: >> Nathan Whitehorn writes: >>> Dag-Erling Sm=C3=B8rgrav writes: >>> > I have mentioned several examples to you, and even told you how to >>> > confirm, by inspecting the source code, that most drivers do *not* >>> > set the stripe size. >>> Most drivers? Yes, sure. Most drivers that people use? No. >> >> Every. Single. Dell. Server. >> >> Probably every single HP server as well, I haven't checked. >> >> VirtualBox gets it wrong. Xen gets it wrong. I believe KVM (including >> RHEV) and VMWare get it wrong too, but haven't been able to verify. >> >> I guess those aren't important to you? > > Also, SD cards get it wrong. It is reported, true enough, but it is often > wrong in the sense it can be suboptimal. Different SD cards report > different things for the number of sectors to erase at a time. Some > vendors do an excellent job of reporting the optimal amount. Others > do not (often because [stupid gmail] often because they copy from last year's design. I've had to override the reported size numerous times to get decent performance from SD cards in the past. Almost all of the recent embedded boards that FreeBSD supports use SD cards. While we provide images to just boot off of, there are several designs that have both a SD card and an embedded eMMC or similar card that we should be able to run the installer on. Warner