Skip site navigation (1)Skip section navigation (2) 
Date:      Wed, 18 Mar 2026 07:11:23 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        h v <henry.vogt@gmail.com>, Martin Matuska <mm@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: zfs module not loaded anymore on e.g MINIMAL
Message-ID:  <CANCZdfpQnALFj%2B5Hd0xC-5yO3wzjOmZG9TYQL6tWbHr_%2By%2BRFQ@mail.gmail.com>
In-Reply-To: <fdb20aa1-46e6-41ff-83a4-8549ed56c316@gmail.com>
References:  <5913b3ac-2ed7-42ab-9c26-0d204c38c578@gmail.com> <CANCZdfq8gxi2ywvfvCdC%2Bsoqu_9-XPFrvqNNeGqjsJbUfkLoXg@mail.gmail.com> <fdb20aa1-46e6-41ff-83a4-8549ed56c316@gmail.com>
index | next in thread | previous in thread | raw e-mail 

[-- Attachment #1 --]
Hey Martin,

Can you track this down?

Warner

On Tue, Mar 17, 2026 at 9:12 AM h v <henry.vogt@gmail.com> wrote:

> HI,
>
> adding the line
>
> options     ZSTDIO            # zstd-compressed kernel and user dumps
>
> to my custom kernel config fixed my problem.
>
> so it's likely necessary to add to MINIMAL config to restore loading zfs
> module on boot.
>
> Regards
>
> Henry
> Am 16.03.26 um 19:02 schrieb Warner Losh:
>
> Does any kernel load it correctly?
>
> Warner
>
> On Mon, Mar 16, 2026 at 11:45 AM h v <henry.vogt@gmail.com> wrote:
>
>> Hi,
>>
>> on current (since ~ March 15th) my custom kernel, based on MINIMAL, as
>> well as  MINIMAL itself,  don't load zfs and hence refuses to mount the
>> root fs ... while GENERIC does..
>>
>> Error (in dmesg) seems to be:
>>
>>
>> kernel: link_elf_obj: symbol ZSTD_isError undefined
>>
>> kernel: KLD file zfs.ko - could not finalize loading
>>
>>
>>
>> Regards
>>
>> Henry
>>
>>
>>
>>

[-- Attachment #2 --]
<div dir="ltr">Hey Martin,<div><br></div><div>Can you track this down?</div><div><br></div><div>Warner</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Tue, Mar 17, 2026 at 9:12 AM h v &lt;<a href="mailto:henry.vogt@gmail.com">henry.vogt@gmail.com</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><u></u>

  
    
  
  <div>
    <p>HI,</p>
    <p>adding the line</p>
    <p>options     ZSTDIO            # zstd-compressed kernel and user
      dumps</p>
    <p>to my custom kernel config fixed my problem.</p>
    <p>so it&#39;s likely necessary to add to MINIMAL config to restore
      loading zfs module on boot.</p>
    <p>Regards </p>
    <p>Henry</p>
    <div>Am 16.03.26 um 19:02 schrieb Warner
      Losh:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">Does any kernel load it correctly?
        <div><br>
        </div>
        <div>Warner</div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Mon, Mar 16, 2026 at
          11:45 AM h v &lt;<a href="mailto:henry.vogt@gmail.com" target="_blank">henry.vogt@gmail.com</a>&gt;
          wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Hi,<br>
          <br>
          on current (since ~ March 15th) my custom kernel, based on
          MINIMAL, as <br>
          well as  MINIMAL itself,  don&#39;t load zfs and hence refuses to
          mount the <br>
          root fs ... while GENERIC does..<br>
          <br>
          Error (in dmesg) seems to be:<br>
          <br>
          <br>
          kernel: link_elf_obj: symbol ZSTD_isError undefined<br>
          <br>
          kernel: KLD file zfs.ko - could not finalize loading<br>
          <br>
          <br>
          <br>
          Regards<br>
          <br>
          Henry<br>
          <br>
          <br>
          <br>
        </blockquote>
      </div>
    </blockquote>
  </div>

</blockquote></div>
home | help

Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CANCZdfpQnALFj%2B5Hd0xC-5yO3wzjOmZG9TYQL6tWbHr_%2By%2BRFQ>