From owner-freebsd-current@freebsd.org Mon Jan 21 12:39:25 2019 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 E62EE14A83E7 for ; Mon, 21 Jan 2019 12:39:24 +0000 (UTC) (envelope-from tsoome@me.com) Received: from pv50p00im-ztdg10011301.me.com (pv50p00im-ztdg10011301.me.com [17.58.6.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 120DA87066 for ; Mon, 21 Jan 2019 12:39:24 +0000 (UTC) (envelope-from tsoome@me.com) Received: from [192.168.150.41] (148-52-235-80.sta.estpak.ee [80.235.52.148]) by pv50p00im-ztdg10011301.me.com (Postfix) with ESMTPSA id 34C5F6400B8; Mon, 21 Jan 2019 12:39:15 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.2 \(3445.102.3\)) Subject: Re: GPT boot has less features than legacy MBR-based one (Was: UEFI, loader.efi and /boot.config) From: Toomas Soome In-Reply-To: <3f4214e2-36af-cc87-0a3c-2c7ce26cffd8@FreeBSD.org> Date: Mon, 21 Jan 2019 14:39:12 +0200 Cc: Warner Losh , Rebecca Cran , FreeBSD Current Content-Transfer-Encoding: 7bit Message-Id: References: <912985968.20190119125228@serebryakov.spb.ru> <1951151017.20190119235425@serebryakov.spb.ru> <4636753.YNO7O01DYZ@photon.int.bluestop.org> <17710465740.20190120134042@serebryakov.spb.ru> <3f4214e2-36af-cc87-0a3c-2c7ce26cffd8@FreeBSD.org> To: "lev@freebsd.org" X-Mailer: Apple Mail (2.3445.102.3) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-21_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=18 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=641 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1901210100 X-Rspamd-Queue-Id: 120DA87066 X-Spamd-Bar: ----- X-Spamd-Result: default: False [-5.38 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RBL_COMPOSITE_RCVD_IN_DNSWL_MED_DWL_DNSWL_LOW(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:17.58.0.0/16]; MV_CASE(0.50)[]; FREEMAIL_FROM(0.00)[me.com]; RCVD_DKIM_ARC_DNSWL_MED(-0.50)[]; DKIM_TRACE(0.00)[me.com:+]; RCVD_IN_DNSWL_MED(-0.20)[40.6.58.17.list.dnswl.org : 127.0.5.2]; DMARC_POLICY_ALLOW(-0.50)[me.com,quarantine]; MX_GOOD(-0.01)[cached: mx1.mail.icloud.com]; NEURAL_HAM_SHORT(-0.93)[-0.930,0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[me.com]; ASN(0.00)[asn:714, ipnet:17.58.0.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[me.com:s=04042017]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; IP_SCORE(-1.24)[ip: (-3.14), ipnet: 17.58.0.0/20(-1.58), asn: 714(-1.42), country: US(-0.08)]; DWL_DNSWL_LOW(0.00)[me.com.dwl.dnswl.org : 127.0.5.1]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Mon, 21 Jan 2019 12:39:25 -0000 > On 21 Jan 2019, at 14:15, Lev Serebryakov wrote: > > On 20.01.2019 20:05, Warner Losh wrote: > >> Is too complicated? Boot1.efi doesn't allow that, but loader.efi does. > loader.efi lives on ESP partition, do I understand it right? So, it > could not be damaged with "bad" upgrade? > > -- > // Lev Serebryakov > It could, unless the backup is created. rgds, toomas