Date: Tue, 13 Aug 2024 00:13:27 -0700 From: Cy Schubert <Cy.Schubert@cschubert.com> To: Daniel Braniss <danny@cs.huji.ac.il>, freebsd-hackers <hackers@freebsd.org> Subject: Re: FreeBSD 14.1 and UEFI boot ignores bootme flag Message-ID: <20240813071327.145CC75@slippy.cwsent.com> In-Reply-To: <20240813070253.81DF5DD@slippy.cwsent.com> References: <0C0CF611-4C88-4EF1-9F9A-3A35D5236854@cs.huji.ac.il> <20240813065020.8084E6D@slippy.cwsent.com> <9DEEEE5F-EC21-4CC5-BC5F-A10162D98365@cs.huji.ac.il> <20240813070253.81DF5DD@slippy.cwsent.com>
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If your rootfs is ZFS then you need to use loader.efi with the caveat that it doesn't honour the bootme flag. My UEFI systems are clones of my original systems. I use UFS root/usr with ZFS for everything else. gptboot.efi and loader.efi work equally as well in my scenario. -- Cheers, Cy Schubert <Cy.Schubert@cschubert.com> FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org NTP: <cy@nwtime.org> Web: https://nwtime.org e^(i*pi)+1=0 In message <20240813070253.81DF5DD@slippy.cwsent.com>, Cy Schubert writes: > I don't think loader.efi honours the bootme flag. Try the gptboot.efi > binary instead. It does honour the various GPT flags. > > > -- > Cheers, > Cy Schubert <Cy.Schubert@cschubert.com> > FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org > NTP: <cy@nwtime.org> Web: https://nwtime.org > > e^(i*pi)+1=0 > > > In message <9DEEEE5F-EC21-4CC5-BC5F-A10162D98365@cs.huji.ac.il>, Daniel > Braniss > writes: > > hi Cy, > > the boot code is the the latest, copied /boot/loader.efi to = > > /mnt/EFI/BOOT/BOOTX64.efi > > > > > On 13 Aug 2024, at 09:50, Cy Schubert <Cy.Schubert@cschubert.com> = > > wrote: > > >=20 > > > In message <0C0CF611-4C88-4EF1-9F9A-3A35D5236854@cs.huji.ac.il>, = > > Daniel=20 > > > Braniss > > > writes: > > >> hi, > > >> my disk has 2 root partitions, and once I switched to UEFI boot, = > > =3D > > >> can=3DE2=3D80=3D99t boot the second partition: > > >> (the hardware is a bit old, Dell PowerEdge R710 with bios from =3D > > >> 05/22/2018) > > >>=20 > > >> store-08# gpart show -l > > >> =3D3D> 40 5857345456 mfid0 GPT (2.7T) > > >> 40 81920 1 efi (40M) > > >> 81960 8388608 2 root (4.0G) > > >> 8470568 8388608 3 root0 [bootme] (4.0G) > > >> 16859176 8388608 4 d1 (4.0G) > > >> 25247784 8388608 5 d2 (4.0G) > > >> 33636392 5823709104 6 zfs (2.7T) > > >>=20 > > >> it only boots from partition 2. > > >>=20 > > >> so is there any magic? > > >=20 > > > Which bootcode do you have in your efi partition? > > >=20 > > >=20 > > > --=20 > > > Cheers, > > > Cy Schubert <Cy.Schubert@cschubert.com> > > > FreeBSD UNIX: <cy@FreeBSD.org> Web: https://FreeBSD.org > > > NTP: <cy@nwtime.org> Web: https://nwtime.org > > >=20 > > > e^(i*pi)+1=3D0 > > >=20 > > >=20 >
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