From owner-freebsd-current@freebsd.org Thu Jul 5 18:39:32 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A482C1022059 for ; Thu, 5 Jul 2018 18:39:32 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-io0-x231.google.com (mail-io0-x231.google.com [IPv6:2607:f8b0:4001:c06::231]) (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 31A2F8FA0B for ; Thu, 5 Jul 2018 18:39:32 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-io0-x231.google.com with SMTP id q9-v6so8641988ioj.8 for ; Thu, 05 Jul 2018 11:39:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=fHuDNB2MS2R/WDW8/eIPqphZHfpFduxBV5N2kRnEDlk=; b=Pm0HP4vZtVc/IqdYeEj+i600RglcJsUiCyY3WI7GpbhZCTWi5Neyk+aUviFWr/r4Gg dJ4wqyJlEi2dRnBKJ/jd1R5Y0/StK/mbRpIKkxqkZx4Eilxc1ZZhWrkkt+Wzgvp6QQ1f jQTWTiY1gsGKdpN5q4q2KlUlJZIvXYe6AJfsOkIpZkxVj74G+C6DbtYoQPoRS+lBNrHO qRTFn2tUX/aEb7mCu4V52CC16wrjmV15KD6CCpCFeLHs93UpnzFqLV1me/L91Y73Y7nl BBLdr0MeqaDeJz9WY0yHdkJQp9zf1v5VjuUO1BMNJZTPcTG6zqhiVdhBq3BSZWNryCKO PT1A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=fHuDNB2MS2R/WDW8/eIPqphZHfpFduxBV5N2kRnEDlk=; b=g3PoRSelUTLujaW0hSOM6/w+6koqRHZF7Go6oeW+KWifUoMDBSETdNW0dtMagpUEHi RR8A/jlsE1rr+aB4hdPb7iRXUH5oUZ4sHYtFS3IC0gJioT+xP525niKvnfI8rbgOyh6W n0Pu5bQlChZrluXI5zuMnPt/MfYKe6nriWL5SN9cjsA+BJakBWuWLrZ3fmyzJNFtnkFv BLr+S1Q4PoXHW4xxtf5Ch15Ck6gQrmWRCv/yCiUJ7KtQUX6hC7bnYYN8ZJuF/iJwuKkN Yi4QKEaqmzkMQr4cWKNTHxyrGupvFOKN3xNxSUMzlMZDP8Uj4QJYjFdgXX89HQarARvd 5B5Q== X-Gm-Message-State: APt69E24j4NgwPGTgegfsL6pgVoTGEbDUJJIct0kNaM+aTS6w/4Jczkz x7iUZVVnzelAMQ7aMxdDoqrxc/fbJki9dc1kAj1DqQ== X-Google-Smtp-Source: AAOMgpeoPhH61GPpdWx7MpY+grASAfpRHuaXfHa9b+Pr36WWwNStjDEw0dPmbm8kqPMp7HusbHrW0v+5huvO6yFLruM= X-Received: by 2002:a6b:d40c:: with SMTP id l12-v6mr6058282iog.37.1530815971580; Thu, 05 Jul 2018 11:39:31 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Warner Losh Date: Thu, 5 Jul 2018 12:39:20 -0600 Message-ID: Subject: Re: EFI booting from external USB pen drive To: "Bjoern A. Zeeb" Cc: FreeBSD Current Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.27 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jul 2018 18:39:33 -0000 On Thu, Jul 5, 2018, 12:55 PM Bjoern A. Zeeb wrote: > On 5 Jul 2018, at 17:19, Warner Losh wrote: > > > FAT12 isn't good for UEFI. Use FAT16 or FAT32. > > We use it for the default image we built and the wiki suggests it as > well at https://wiki.freebsd.org/UEFI#CD.2FDVD_Boot_under_UEFI > > I wonder where this =E2=80=9Cdefault=E2=80=9D came from? > The original UEFI port... they didn't check the standard's recommendations. It worked then, but experience has shown FAT12 doesn't work everywhere. Warner >