[Bug 293935] MINIMAL kernel configuration can not boot from ZFS any more while GENERIC can

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 20 Mar 2026 12:39:05 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293935

            Bug ID: 293935
           Summary: MINIMAL kernel configuration can not boot from ZFS any
                    more while GENERIC can
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: rz-rpi03@h-ka.de

Created attachment 268949
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=268949&action=edit
A failed boot with a MINIMAL kernel configuration.

Hello,

somewhere between FreeBSD 16.0-CURRENT main-n284480-9a9f93bcf1aa
and CURRENT of today the MINIMAL kernel configuration lost its ability to
boot from ZFS.

The GENERIC kernel configuration boots from ZFS just fine.

As I use a kernel configuration based on MINIMAL for my VMs it took me
some time to realize that GENERIC is just fine.

I managed to get a console output of a MINIMAL boot showing the following
suspicious messages:

link_elf_obj: symbol ZSTD_isError undefined
KLD file zfs.ko - could not finalize loading

The full console output is attached.


Kind regards,

  Ralf

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