Date: Mon, 18 Jul 2022 14:52:30 +0000 From: Glen Barber <gjb@freebsd.org> To: Mark Millard <marklmi@yahoo.com> Cc: dev-commits-src-main@freebsd.org, Warner Losh <imp@bsdimp.com> Subject: Re: git: 1dfcff294e44 - main - release: increase IMAGE_SIZE for arm, arm64, riscv Message-ID: <20220718145230.GB95937@FreeBSD.org> In-Reply-To: <037C78F9-CA37-4D1C-8F68-22A85183E8AF@yahoo.com> References: <7F4F9683-B4DE-4F65-BBD7-027039A0C270@yahoo.com> <20220713204227.GA30607@FreeBSD.org> <8A02A4A4-9F3A-47F2-9985-EA2151043BB7@yahoo.com> <4D903E5A-58FB-4516-AC53-AEDFF48564A7@yahoo.com> <20220714152125.GB30607@FreeBSD.org> <3E2DCFBD-CC8F-4C13-B18C-B7DA26ED8E84@yahoo.com> <AE47C47B-33F7-4236-8A23-688C40340EA7@yahoo.com> <DBED097F-00BD-467C-8CA3-49857DA35456@yahoo.com> <20220718140851.GA95937@FreeBSD.org> <037C78F9-CA37-4D1C-8F68-22A85183E8AF@yahoo.com>
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--JYK4vJDZwFMowpUq Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Jul 18, 2022 at 07:34:40AM -0700, Mark Millard wrote: > On 2022-Jul-18, at 07:08, Glen Barber <gjb@freebsd.org> wrote: >=20 > > On Sat, Jul 16, 2022 at 11:24:47PM -0700, Mark Millard wrote: > >>=20 > >>=20 > >> On 2022-Jul-15, at 17:41, Mark Millard <marklmi@yahoo.com> wrote: > >>=20 > >>> FYI for the new snapshot build of 13.1-STABLE: > >>>=20 > >>> # mdconfig -u0 -f FreeBSD-13.1-STABLE-arm64-aarch64-RPI-20220715-831c= 6b8edda-251792.img=20 > >>> # gpart show md0 > >>> =3D> 63 10485697 md0 MBR (5.0G) > >>> 63 2016 - free - (1.0M) > >>> 2079 102312 1 fat32lba [active] (50M) > >>> 104391 10381329 2 freebsd (5.0G) > >>> 10485720 40 - free - (20K) > >>>=20 > >>> So: still has the 2016 and 2079 that do not seem to match > >>> what /usr/src/release/ materials would indicate --and the > >>> 2079 leads to poor alignment for a microsd cards, for > >>> example. > >>>=20 > >>> But, at least something was produced this time. There is > >>> now a 13.1-STABLE snapshot to test the handling related > >>> to the new UFS/FFS superblock validations. > >>=20 > >> In the live build environment that makes the images, > >> what is: > >>=20 > >> # sysctl kern.geom.part.mbr.enforce_chs > >> kern.geom.part.mbr.enforce_chs: 0 > >>=20 > >> I ask because of the description: > >>=20 > >> QUOTE > >> kern.geom.part.mbr.enforce_chs: 0 > >> Specify how the Master Boot Record (MBR) module does align= ment. > >> If this variable is set to a non-zero value, the module wi= ll > >> automatically recalculate the user-specified offset and si= ze for > >> alignment with the CHS geometry. Otherwise the values wil= l be > >> left unchanged. > >> END QUOTE > >>=20 > >> In particular, the text about non-zero values leading to: > >>=20 > >> QUOTE > >> the module will > >> automatically recalculate the user-specified offset and si= ze for > >> alignment with the CHS geometry > >> END QUOTE > >>=20 > >> This sounds like a potential way to not end up with the > >> what the /usr/src/release handling requests for the > >> small board computer images. It might explain the > >> mismatched alignment that I've been reporting. > >>=20 > >=20 > > It is set to '1' on all three systems. If this is causing a problem, it > > is weird we have a problematic setting as the default. > >=20 >=20 > 0 is the default that shows up on the systems > that I have access to. >=20 > It has not been the default since 2014-08-12: >=20 Oh, the builders have it set in /etc/sysctl.conf, and if I recall correctly, it was in order to address another problem. I'm digging through my email archives to find out what the other problem was exactly, but my memory is a bit fuzzy on the details. Glen --JYK4vJDZwFMowpUq Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEjRJAPC5sqwhs9k2jAxRYpUeP4pMFAmLVc64ACgkQAxRYpUeP 4pOSOA//WcqSzZR8zCp/yiHkNHKsolnVKikfJi4HQPjavmmc74S6VUwpv/0X/ZA2 GPhDM3wCNJaaivoS+j6hMgHOPCYn1KTFpieib8bQFZBqpAKrxVlXEAxFiFCbGdPn +poSPOMLglKa6Tm156RHU/Oy69MdbjBFmtd6BNxyvAqcf6RP+CF6SUmsYzzUl+Cs HRBCJyfDHEJvjcR1f41xTDFe1IgZTm92XqNfp67w4Qpuup8EBM7dQDHzfLXw4lfg DEJ2RSLPlkxPN4h68Ti7OgPTXkBgj9TBcP6OFWXzTPQG491zX35wChE/AO16Y/v5 vSHCDHb8bAjceP+o7Ho/fjIpqjHPgXQxckHGJCJxDvVjRXPT9/a7SVrb1Q+N1YXk WzvcXuAu3hGe0c6GPManvlUZlOLPAs30bzl8rMjYTuEf1HNzBpj3lpIMNBVhlMBa BRKHFV3bDg23jl83B2UjOBJ9E+GpQlGtC4VePZGDL5hWAm5rUoVEJtadk+uUOPmL hy2toR0VOtvOCeFCiLN0oiFI0sjX90Mo9MaJTqaGnK+yPMk1iL/KKb8LAajFgaVQ xr89419ToQBT8eLoSff6hEgqv29W+uFW626JNJL3pGPeCz02uBY/CfL57xR7t4w6 T28QkbcaLwKl18CvzQTNjZUP9qGfthxUCIhUiYncAlQPbpfUaDU= =yaZq -----END PGP SIGNATURE----- --JYK4vJDZwFMowpUq--
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