From owner-freebsd-current@freebsd.org Mon Jan 21 13:13:52 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 67C0F14A93FE for ; Mon, 21 Jan 2019 13:13:52 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id DF97E8889E; Mon, 21 Jan 2019 13:13:51 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [IPv6:2a01:4f8:201:6350::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: lev/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id DFC8A1FD28; Mon, 21 Jan 2019 13:13:49 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.23.186] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id 60F3C92F2; Mon, 21 Jan 2019 16:13:48 +0300 (MSK) Reply-To: lev@FreeBSD.org Subject: Re: GPT boot has less features than legacy MBR-based one (Was: UEFI, loader.efi and /boot.config) To: Toomas Soome Cc: Warner Losh , Rebecca Cran , FreeBSD Current 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> From: Lev Serebryakov Openpgp: preference=signencrypt Autocrypt: addr=lev@FreeBSD.org; prefer-encrypt=mutual; keydata= mQINBFKbGksBEADeguVs+XyJc3mL3iiOBqDd16wSk97YTJYOi4VsHsINzJr09oFvNDiaDBIi fLn2p8XcJvehcsF2GSgrfXfw+uK4O1jyNIKJmiYA0EtE+ZbRtvDrrE0w6Q8+SDeKA21SWh3Y vSQ0DJUontbgW55ER2CbEiIUTIn34uQ0kmESAaw/v5p/9ue8yPTmURvv130FqPFz8VPzltqL NxyGt54TxPfKAzAHEIwxlEZ63JOwzloKh1UDBExcsf9nJO08/TAVgR5UZ5njFBPzaaquhRoP qPJLEQQDqxPIlvMNtHKf7iIebE4BHeqgCdJA0BoiR6gpa0wlsZtdrTPK3n4wYSphLvGbhfOZ YW/hbcu7HYS/FImkVxB3iY17kcC1UTnx4ZaYeASPBGOOPbXky1lLfmDGWIFT//70yx+G17qD OZzF1SvJJhGvh6ilFYaWMX7T+nIp6Mcafc4D7AakXM+XdubNXOMlCJhzPcZ0skgAEnYV587w V7em5fDVwQccwvtfezzqKeJAU5TGiywBHSR5Svzk2FwRNf6M//hWkpq0SRR63iOhkHGOAEBi 69GfEIwH2/w24rLxP0E+Hqq8n+EWNkPatw1Mhcl5PKkdvGCjJUaGNMkpBffjyYo254JXRscR eEnwdIkJt4ErDvjb2/UrOFq31wWMOiLzJeVchAgvTHBMRfP9aQARAQABtCFMZXYgU2VyZWJy eWFrb3YgPGxldkBGcmVlQlNELm9yZz6JAlYEEwEIAEACGwMHCwkIBwMCAQYVCAIJCgsEFgID AQIeAQIXgBYhBPltHKC19DGLZ0szCuqwPFi/3EePBQJb/TeXBQkPBbfGAAoJEOqwPFi/3EeP LtEQANQLS89OCDSnLDZLyCj7sH5GZbTikJp9Or2McqEOpjgtfY/OgqCe7lfo8f71tTN3gL2t VGtNEtsl6CqKeBdm6fqsetCAed2+waJfbXLZWReLRSFQJ/cbof8MB3h/uEw8Zng1ZbyEU0eG rc41Mhk8bTfxjNRjkXDbp0+2xug+eRr2RYhiY2SxH+iy57AbRIu9gkjfL05VztfvsV5dPxt7 +reHf2Vhtu+qCRtCytGQqDvYWGpVZ8U5fHJxFdsJpn66LAe8w+iRGCbppB5TKeHkqWqDb++u sd5ZHzwep/7qcLBeKggi8+a2C3J1J4TpYBwdPgusrGtBPf2EYSTc/0mW5j86g1l8UDN9qXAI FvWbKf22p5SlYUzf5qRLny4ZdDl1mH13lmJV7ZkZGMKnt0IjJ2x0LRgLGhiSm/D4Lh8yc/MX uhj9BB020XbWcMUPpA7S7YaWeIXbnK3NrPU0yk77prFJblfskOwuaxJIwa2mX+cCAQA95As5 2talifo4Kh8OLSvS1gpbMo64LllTzuGbCWuKecH3fpMlZlD7/10z9lBvkSXA7KgadDfN0yHO xGCK8KE9gXXmEVRlbgGDYOJw9FLWHuSZHUvQTkmr4goXrmMIKa9A4BKO3s9vowP4pJ0vp3kz MIBeEwKSvAeZZfgKbIKggKUuQ5gsAqvF360sG3+UuQINBFKbGksBEAC0a9wfjo2P3JyT7Lc+ QlbFVshGbSbazb4ma7QYG5IZZD5vfLBFkePoG6cnrn3WCXp4A43hszAynCwe4eXyAkv4+gPF 3ZSeNE5Wz3zYG+jh2nm2iGCkyaVykfbA+2chor2DKH5tHpuNMBlF+wSJHZKJmlo/sFIktAnV 1NBVg4/cL+9/hIpvl82cl3hYCD7/e7/qRE+w38CpAAzn65FvbODn7xlY3fsJt+cHPBJ4EBM9 KnTwcce+F+72RQMZQEl7vIAwSRmLdgZHN0MFC533l62SVoKjT0eaOOIBrvesmojhWjfwugib Xr+WRF/tGcW77Bxwe2eQLbEVESqWeMORxRxocx7Q7aACoHmf4G4U1Vzx7zUEfNfHjfjZeQVf AURf/MoUelZSW/BmMIfKCg3lRlWAt+Pq2h2UADPVqAZze45beE/c8z8LZsOZiGoRhYL8NSg6 +ziLTdmYLWdtFGAuZhqOtNp5h6tGj21OksBotcaIa5YjbCmmnImIjGlSBkUKvIhq/RXth5b2 gNwaQdu+Yv4AlZVHRsuVywL/skDFL5+We11bDK6MQ5PzvmntRJcgbyoisn1hiV04OV1LpJJM kJn1j8VlBqDQNT/z+BjB0ru/0anv+5uLj7v0ck06rEo4yiXT/ZAcBM76j7V7FaGbkoba6bUU CQ2H5YYBOKpikjCnpwARAQABiQI8BBgBCAAmAhsMFiEE+W0coLX0MYtnSzMK6rA8WL/cR48F Alv9N7IFCQ8Ft+cACgkQ6rA8WL/cR49wpw//W7QrZHKYUWEVHtPLVMlcM1f7MgwnYlIRe/I6 gykwvt87sqxSYu7eHxfX6JZR2M9UYuUYscSR57gxXKu2Uzqaz2KjvEIXJCwCTsuXZjkQ19oL hAPsucw2AcMI6YqPXbZ7hO0Mh8jMeJzD6vDvx3zvunQxGQoZKxr3BvRUyO7NCYbA7N8ccI3E Tmdjj9JTbtue9WaUeGLszFDiITmkASBdsK07y4ylLAJzUGCvYLBU3gx0bBOB2S8SbxHYmQlj ewjovbp+MbT+CoXNxZp+gDRModGyIMdRIotkRiDbgNl0VWIT0SS1GUUlUHKzQ/ZPUvpvk6Gq s/SYBS7rBQNSoXXmJxNW6I6atVNW7JhInC1tkHxBlbpik4FK07J6NHFTx+9ygyCxbxwNA/Le FGkL3kU0VFXR2dNiAVbeueUPF6tU5Bye5ftgpLKOSAbo1g++EKUkc8335/4oYRBMcGEk4xUr NAvzoFPhA2W3KtklruJ9ThrFt9+//NB5ySlVgTwGWMuBJoskEmNOTBv34/UQPUIuE4xSwy6y H+nRQJooiMFo5QCosslJPlwyV63NS9lYXB6n3QWOCP6sFdWACNUCOFv4uk7LQdY9BsCmt2Tk cLuHmoS+fvUesQXnYV2aQi9HciriPIj2gvJ6WjgiaC/PpePil0fzyrfG/JMyHL0qcgmYoj0= Organization: FreeBSD Message-ID: <0bbb962f-cc59-f29d-b26d-fa675cbb1082@FreeBSD.org> Date: Mon, 21 Jan 2019 16:13:46 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="3gS2Qf0T1btIGRe9XMgBsDKnsqz1P9p7l" X-Rspamd-Queue-Id: DF97E8889E X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.96 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.96)[-0.957,0]; ASN(0.00)[asn:11403, ipnet:96.47.64.0/20, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] 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 13:13:52 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --3gS2Qf0T1btIGRe9XMgBsDKnsqz1P9p7l Content-Type: multipart/mixed; boundary="PRGGxaTyyO9xLiR3EcegDwnmCl1V1TDKk"; protected-headers="v1" From: Lev Serebryakov Reply-To: lev@FreeBSD.org To: Toomas Soome Cc: Warner Losh , Rebecca Cran , FreeBSD Current Message-ID: <0bbb962f-cc59-f29d-b26d-fa675cbb1082@FreeBSD.org> Subject: Re: GPT boot has less features than legacy MBR-based one (Was: UEFI, loader.efi and /boot.config) 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> In-Reply-To: --PRGGxaTyyO9xLiR3EcegDwnmCl1V1TDKk Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 21.01.2019 15:59, Toomas Soome wrote: >>>>> Is too complicated? Boot1.efi doesn't allow that, but loader.efi do= es. >>>> loader.efi lives on ESP partition, do I understand it right? So, it >>>> could not be damaged with "bad" upgrade? >>> >>> It could, unless the backup is created.=20 >> Does it live on code (root) FS or ESP? I understand, that when you >> upgrade ESP partition, you could ruin it, but typically root FS is >> upgraded much more often than ESP/boot0/boot1 parts. >=20 > If you are using boot1.efi, the loader.efi is in OS /boot/loader.efi an= nd boot1.efi is stored to ESP and will execute loader.efi as bios boot2 p= rograms do. So, Warner's advice to use set currdev=3DdiskXpY: boot with loader.efi is not direct replacement to choosing boot partition via boot0 now (as "boot1.eif doesn't allow that" and /boot/loader.efi could be broken with unsuccessful upgrade), am I right? > we will drop boot1.efi (it is already dropped in illumos btw), and will= only use loader.efi - and in this case, the loader.efi is installed to E= SP and will only start the kernel. Ok, I need to wait for it. > But then again, if you are using stock (generic) OS on embedded system,= you are already doing it wrong and will get into the trouble sooner or l= ater:) I can not say, is NanoBSD "stock" or not :-) --=20 // Lev Serebryakov --PRGGxaTyyO9xLiR3EcegDwnmCl1V1TDKk-- --3gS2Qf0T1btIGRe9XMgBsDKnsqz1P9p7l Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEE+W0coLX0MYtnSzMK6rA8WL/cR48FAlxFxYpfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEY5 NkQxQ0EwQjVGNDMxOEI2NzRCMzMwQUVBQjAzQzU4QkZEQzQ3OEYACgkQ6rA8WL/c R4/OCw//TE5u3Ewp0kZobQozWxL2cgePJ+JjKXdPRS5woHKhM6tSQ+YchYy1akb2 CLfnTXV4iTQzJDPVKH1BAGVq0k2cbrPR+wOSYG3s3mXHt/lo0l9Pv1hUNbtaAtki e0EkiruEKMIBMriKuwYNDWcXk3ox/AZ/dLATFJoYzV7E4XJ1UKJd/IY854UyHZG+ JNaHmmo3gLuTx9fs1HXqs9OyTKxf0mp665gC8770L9dJ3j7c3fi5rH1mxILGt5FN egrag+s4kHOevQ/+hOIFfcTqidVcRullo5CCCUUvamMb9vtv3aCiVIO9tGkMzxTa APXBKkBjX6osDlQVKF5FcFY0j0L3BrZL7AioOWAwYx7wBYVcj0SXnPFeyqq65Bo6 zwT3HfSlL4NGLNn5emvt0dDzMOUnbzydDzaAkLMpokadKgnPV9rFyuinEgZwzBTx VcstCTFEUok0of1Wj/g0lBKRe7R5qEpuz2u7zHiscjn1QBBUyzXpkvpFkVSHfT3f fwwBwkGK5sxsiXbtAAP8rILpWsvdwVC0b1cdhT99m21NQA3kYZsPOfY67Wb049rQ REdMNITTurkxmFNY/uE3TSyulFhCd7MaB0b80N8cd3UDmuCO8t5HuP8foCkkp5zw VKGSe3bjF4hQRq999p32vVr8MDlFRB2VR68sxNKbgwZHFn2ip5k= =BQ8l -----END PGP SIGNATURE----- --3gS2Qf0T1btIGRe9XMgBsDKnsqz1P9p7l--