Re: Loader needs to be updated message

void <void_at_f-m.fm> wrote on
Date: Sat, 07 Sep 2024 17:27:00 UTC :

> On Sat, Sep 07, 2024 at 08:20:07AM -0700, Mark Millard wrote:
> 
> >I'm more interested in what is there than just what is not
> >there. May be show something analogous to:
> >
> ># gpart list | grep -E '(Name|type|efi|media)'
> >1. Name: mmcsd1s1
> > efimedia: HD(1,MBR,00000000,0x8000,0x3b68000)
> > rawtype: 12
> > type: fat32lba
> >1. Name: mmcsd1
> >1. Name: da0p1
> > efimedia: HD(1,GPT,81f199f2-5eb9-11ec-b507-a0cec8d68fdc,0x28,0x82000)
> > rawtype: c12a7328-f81f-11d2-ba4b-00a0c93ec93b
> > label: BPIM3efi
> > type: efi
> >2. Name: da0p2
> > efimedia: HD(2,GPT,efa6f52d-c8ca-11ec-bb1e-03fc0558c84f,0x82800,0x366000)
> > rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
> > type: freebsd-swap
> >3. Name: da0p3
> > efimedia: HD(3,GPT,71abc138-db5e-11ee-bfe1-e352d1095e3c,0x6861c800,0x732800)
> > rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
> > type: freebsd-swap
> >4. Name: da0p4
> > efimedia: HD(4,GPT,b568945a-5eba-11ec-b507-a0cec8d68fdc,0xa1c800,0x67c00000)
> > rawtype: 516e7cb6-6ecf-11d6-8ff8-00022d09712b
> > type: freebsd-ufs
> >1. Name: da0
> >
> >I'll note that on various type of systems, the (effectively)
> >ESP need not be specifically of "type: efi", possibly some
> >fat variant instead also works. (Of course, EFI need not be
> >the only alternative for various type of contexts.)
> >
> >I'll note the /boot/efi is normally just an empty directory
> >that is possibly used as a mount point.
> >
> >In some (somewhat older) configurations /boot/msdos is
> >similarly an empty directory and possibly used as the mount
> >point instead.
> >
> >> After source building to latest stable in the usual way, same error message 'loader needs updating'.
> 
> This is on the guest
> 
> # gpart list | grep -E '(Name|type|efi|media)'
> 1. Name: vtbd0p1
> efimedia: HD(1,GPT,b7731537-61da-11ed-9652-00a0981073a7,0x28,0x400)
> rawtype: 83bd6b9d-7f41-11dc-be0b-001560b84f0f
> type: freebsd-boot

As I understand it, that "type: freebsd-boot" means that one of
the likes of:

# ls -lodT /boot/gpt*boot*
-r--r--r--  1 root wheel uarch  62139 Apr  7 15:55:46 2024 /boot/gptboot
-r-xr-xr-x  1 root wheel uarch 109568 Apr  7 15:55:46 2024 /boot/gptboot.efi
-r--r--r--  1 root wheel uarch 176062 Apr  8 01:15:54 2024 /boot/gptzfsboot

is in use inside that freebsd-boot partition (vtbd0p1). But only
one of those supports zfs.

Fair warning that I never use any of those 3 --nor freebsd-boot
partitions. Nor have I ever used Bhyve. Do not blindly believe what I
report here. But hopefully it points in a useful direction to
initially investigate.

Looking at:

"man 8 gptboot.efi" indicates that "gptboot.efi works only with UFS
root file systems".

"man 8 gptboot" indicates that "gptboot is used on BIOS-based
computers to boot from a UFS partition on a GPT-partitioned disk".

BUT "man 8 gptzfsboot" indicates "gptzfsboot is used on BIOS-based
computers to boot from a filesystem in a ZFS pool".

So the partitioning is not set up for supporting the combination of:
EFI and ZFS-for-root-filesystem: if the gptzfsboot is used then it
needs to be old style BIOS-and-ZFS for the context.

So my expectation here is that the gptzfsboot content in use in
vtbd0p1 (i.e. -i 1 vtbd0 in some commands) is out of date and needs
to be updated. To my knowledge, there is no simple technique to look
up the vintage present in -i 1 vtbd0 .

I have no clue which of the following should be used for your context
to be sure that the content ends up up to date:

The Protective MBR variant:
# gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 vtbd0

The variant for without the Protective MBR:
# gpart bootcode -p /boot/gptzfsboot -i 1 vtbd0

Those commands are adjusted variations of what the man page's EXAMPLES
section shows, but not using the 2 example's ada0 notation.

> 2. Name: vtbd0p2
> efimedia: HD(2,GPT,b77a2687-61da-11ed-9652-00a0981073a7,0x800,0x2000000)
> rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
> type: freebsd-swap
> 3. Name: vtbd0p3
> efimedia: HD(3,GPT,b7836ca4-61da-11ed-9652-00a0981073a7,0x2000800,0xdfff000)
> rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
> type: freebsd-zfs
> 1. Name: vtbd0


===
Mark Millard
marklmi at yahoo.com