https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=298582

            Bug ID: 298582
           Summary: Random error: zfs: NOTICE: Cannot find the pool label
                    for 'zroot'
           Product: Base System
           Version: 16.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: [email protected]
          Reporter: [email protected]

On a quiet recent laptop (Acer Nitro ANV15-52) running FreeBSD 16-Current, boot
is often halted with the messages:

kernel: zfs: NOTICE: Cannot find the pool label for 'zroot'
kernel: Mounting from zfs:zroot/ROOT/default failed with error 5.

kernel: Loader variables:
kernel: vfs.root.mountfrom=zfs:zroot/ROOT/default

Then I enter in the "Manual root filesystem specification:" dialog
<fstype>:<device> [options]
Mount <device> using filesystem <fstype>
and with the specified (optional) option list.

eg. ufs:/dev/da0s1a
zfs:zroot/ROOT/default
cd9660:/dev/cd0 ro
(which is equivalent to: mount -t cd9660 -o ro /dev/cd0 /)

? List valid disk boot devices
. Yield 1 second (for background tasks)
<empty line> Abort manual input

"?" does not list anything, "." does not help, nor entering
"zfs:zroot/ROOT/default"

Remarks:

- This laptop has no serial port;

- It has been installed with root on ZFS and Geli, the disk is NVMe
 nvme0: THNSN51T02DUK NVMe TOSHIBA 1024GB
    nvme0ns1 (976762MB)

- No statistically significant sample, but it seems that I get more successful
boot if I wait 1 or 2 minutes before entering the Geli passphrase;

- Problem appeared since the initial install (around July 15), and still going
on with recent -CURRENT: FreeBSD 16.0-CURRENT #2 main-n288907-aaac7a3fe080;

- output of `sysctl -n kern.geom.conftxt`:
0 DISK nda0 1024209543168 512 hd 0 sc 0
1 PART nda0p4 955216035840 512 i 4 o 68993155072 ty freebsd-zfs xs GPT xt
516e7cba-6ecf-11d6-8ff8-00022d09712b
2 ELI nda0p4.eli 955216031744 4096
1 PART nda0p3 68719476736 512 i 3 o 273678336 ty freebsd-swap xs GPT xt
516e7cb5-6ecf-11d6-8ff8-00022d09712b
1 PART nda0p2 524288 512 i 2 o 272650240 ty freebsd-boot xs GPT xt
83bd6b9d-7f41-11dc-be0b-001560b84f0f
2 LABEL gpt/gptboot0 524288 512 i 0 o 0
1 PART nda0p1 272629760 512 i 1 o 20480 ty efi xs GPT xt
c12a7328-f81f-11d2-ba4b-00a0c93ec93b
2 LABEL gpt/efiboot0 272629760 512 i 0 o 0

Attached are 2 picture of the last lines of boot -s, one OK and one KO.

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