Date: Tue, 20 Sep 2022 14:36:02 -0600 From: Warner Losh <imp@bsdimp.com> To: Marek Zarychta <zarychtam@plan-b.pwste.edu.pl> Cc: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: Re: following -current on rpi4 with zfs-on-root Message-ID: <CANCZdfq-RkVTMYk5ZW-LShU6XzNTdKk0TvrNWrmC4jgaC31cUA@mail.gmail.com> In-Reply-To: <d30f002b-08d0-e697-55b3-49d848a2edd1@plan-b.pwste.edu.pl> References: <YykmFkdqKKW30dM9@void.f-m.fm> <CANCZdfq%2Bm3iFpbU%2BLu12nCvvtT5Swx=MYrC1FkOj5ZhfN%2BocmA@mail.gmail.com> <YymzEH3bUWmtvPUB@void.f-m.fm> <d30f002b-08d0-e697-55b3-49d848a2edd1@plan-b.pwste.edu.pl>
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--0000000000007f0fe905e921c7eb Content-Type: text/plain; charset="UTF-8" On Tue, Sep 20, 2022 at 10:29 AM Marek Zarychta < zarychtam@plan-b.pwste.edu.pl> wrote: > W dniu 20.09.2022 o 14:33, void pisze: > > On Mon, Sep 19, 2022 at 09:48:42PM -0600, Warner Losh wrote: > > > >> I've updated UPDATING in https://reviews.freebsd.org/D36629. Please > >> review. > > > >> For EFI, there are many choices. The default installation places > >> loader.efi into the ESP in EFI\FREEBSD\LOADER.EFI. The following > >> updates it (assuming the ESP is on p1, and isn't already mounted): > >> mount -t msdos /dev/ada0p1 /boot/efi > >> cp /boot/efi/loader.efi /boot/efi/efi/freebsd > >> If you have a non-standard setup, please see the EFI notes section. > > > > My non-expert opinion: > > > > 1. ideally there should be an indication in what circumstances > > the above is required, because it might not be possible to infer > > for the non-expert (with regards to the above) user > > While following CURRENT branch, updates of the ESP loader have to be > done quite often. For STABLE branches, it might not be required at all > for the whole lifecycle. Reading UPDATING and commit messages could help. > They are only ever needed after 'zfs upgrade' on the zpool that you are booting from. > > 2. if it needs to happen, where in the buildworld/kernel/install/ > > etcupdate/reboot sequence is it required? I would guess after > > etcupdate and before reboot, but guessing isn't the same as knowing. > > It would be great if this was in the Source of Truth(tm). > Yes, the order should be: buildworld, buildkernel, installkernel, reboot, installworld, install new ESP loader, zfs upgrade. You don't need to do the last two steps if you don't do the last step. > There is no official HOWTO upgrade for arm64 on ZFS. Upgrading from > sources is a pretty straightforward and standard procedure described in > the handbook[1]. Usually, such an upgrade is done not in-place, but by > cross-building and cross-instaling on amd64 machine, so rebooting is not > required. > > To upgrade the loader, you need to copy _newly_ built file > /boot/loader_lua.efi to EFI/BOOT/bootaa64.efi on ESP partition. So > upgrading loader on ESP partition can be performed no earlier than after > completing installworld, which is too late if you are going to strictly > follow[1] and reboot between installkernel and installworld steps. If > you are going to follow the handbook, you can find in the OBJDIR freshly > built loader > (/usr/obj/usr/src/arm64.aarch64/stand/efi/loader_lua/loader_lua.efi) and > copy it to the ESP prior to rebooting as described in review D36629[2]. > My order doesn't require copying from the objtree :). Warner > [1] https://docs.freebsd.org/en/books/handbook/cutting-edge/#makeworld > [2] https://reviews.freebsd.org/D36629 > > -- > Marek Zarychta > --0000000000007f0fe905e921c7eb Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">= <div dir=3D"ltr" class=3D"gmail_attr">On Tue, Sep 20, 2022 at 10:29 AM Mare= k Zarychta <<a href=3D"mailto:zarychtam@plan-b.pwste.edu.pl">zarychtam@p= lan-b.pwste.edu.pl</a>> wrote:<br></div><blockquote class=3D"gmail_quote= " style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);= padding-left:1ex">W dniu 20.09.2022 o=C2=A014:33, void pisze:<br> > On Mon, Sep 19, 2022 at 09:48:42PM -0600, Warner Losh wrote:<br> > <br> >> I've updated UPDATING in <a href=3D"https://reviews.freebsd.or= g/D36629" rel=3D"noreferrer" target=3D"_blank">https://reviews.freebsd.org/= D36629</a>. Please <br> >> review.<br> > <br> >> For EFI, there are many choices. The default installation places<b= r> >> loader.efi into the ESP in EFI\FREEBSD\LOADER.EFI. The following<b= r> >> updates it (assuming the ESP is on p1, and isn't already mount= ed):<br> >> mount -t msdos /dev/ada0p1 /boot/efi<br> >> cp /boot/efi/loader.efi /boot/efi/efi/freebsd<br> >> If you have a non-standard setup, please see the EFI notes section= .<br> > <br> > My non-expert opinion:<br> > <br> > 1. ideally there should be an indication in what circumstances<br> >=C2=A0 =C2=A0=C2=A0 the above is required, because it might not be poss= ible to infer<br> >=C2=A0 =C2=A0=C2=A0 for the non-expert (with regards to the above) user= <br> <br> While following CURRENT branch, updates of the ESP loader have to be <br> done quite often. For STABLE branches, it might not be required at all <br> for the whole lifecycle. Reading UPDATING and commit messages could help.<b= r></blockquote><div><br></div><div>They are only ever needed after 'zfs= upgrade' on the zpool that you are</div><div>booting from.=C2=A0</div>= <div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px = 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> > 2. if it needs to happen, where in the buildworld/kernel/install/<br> >=C2=A0 =C2=A0=C2=A0 etcupdate/reboot sequence is it required? I would g= uess after<br> >=C2=A0 =C2=A0=C2=A0 etcupdate and before reboot, but guessing isn't= the same as knowing.<br> >=C2=A0 =C2=A0=C2=A0 It would be great if this was in the Source of Trut= h(tm).<br></blockquote><div><br></div><div>Yes, the order should be:</div><= div><br></div><div>buildworld, buildkernel, installkernel, reboot, installw= orld, install new ESP</div><div>loader, zfs upgrade. You don't need to = do the last two steps if you don't</div><div>do the last step.</div><di= v><br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0= .8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> <br> There is no official HOWTO upgrade for arm64 on ZFS. Upgrading from <br> sources is a pretty straightforward and standard procedure described in <br= > the handbook[1]. Usually, such an upgrade is done not in-place, but by <br> cross-building and cross-instaling on amd64 machine, so rebooting is not <b= r> required.<br> <br> To upgrade the loader, you need to copy _newly_ built file <br> /boot/loader_lua.efi to EFI/BOOT/bootaa64.efi on ESP partition. So <br> upgrading loader on ESP partition can be performed no earlier than after <b= r> completing installworld, which is too late if you are going to strictly <br= > follow[1] and reboot between installkernel and installworld steps. If <br> you are going to follow the handbook, you can find in the OBJDIR freshly <b= r> built loader <br> (/usr/obj/usr/src/arm64.aarch64/stand/efi/loader_lua/loader_lua.efi) and <b= r> copy it to the ESP prior to rebooting as described in review D36629[2].<br>= </blockquote><div><br></div><div>My order doesn't require copying from = the objtree :).</div><div><br></div><div>Warner</div><div><br></div><blockq= uote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1p= x solid rgb(204,204,204);padding-left:1ex"> <br> [1] <a href=3D"https://docs.freebsd.org/en/books/handbook/cutting-edge/#mak= eworld" rel=3D"noreferrer" target=3D"_blank">https://docs.freebsd.org/en/bo= oks/handbook/cutting-edge/#makeworld</a><br> [2] <a href=3D"https://reviews.freebsd.org/D36629" rel=3D"noreferrer" targe= t=3D"_blank">https://reviews.freebsd.org/D36629</a><br>; <br> -- <br> Marek Zarychta<br> </blockquote></div></div> --0000000000007f0fe905e921c7eb--
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