Date: Thu, 19 Mar 2026 11:56:56 +0100 From: h v <henry.vogt@gmail.com> To: Martin Matuska <mm@FreeBSD.org>, Warner Losh <imp@bsdimp.com> Cc: freebsd-current@freebsd.org Subject: Re: zfs module not loaded anymore on e.g MINIMAL Message-ID: <4bc3357a-2d24-4b77-a0b0-9be97572b2a1@gmail.com> In-Reply-To: <299d29ce-98b9-4daf-aed7-a8cc9cd3a45f@FreeBSD.org> References: <5913b3ac-2ed7-42ab-9c26-0d204c38c578@gmail.com> <CANCZdfq8gxi2ywvfvCdC%2Bsoqu_9-XPFrvqNNeGqjsJbUfkLoXg@mail.gmail.com> <fdb20aa1-46e6-41ff-83a4-8549ed56c316@gmail.com> <CANCZdfpQnALFj%2B5Hd0xC-5yO3wzjOmZG9TYQL6tWbHr_%2By%2BRFQ@mail.gmail.com> <299d29ce-98b9-4daf-aed7-a8cc9cd3a45f@FreeBSD.org>
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[-- Attachment #1 --]
Hi,
Am 19.03.26 um 09:38 schrieb Martin Matuska:
> Hi Warner,
>
...
>
> Should we add options ZSTDIO to MINIMAL?
>
Since MINIMAL "follows GENERIC, minus all functionality that can be
replaced by loading kernel modules."
and loading zfs isn't possible without ZSTDIO => yes, please.
Best Regards
Henry
> Best regards,
> mm
>
> On 18. 3. 2026 14:11, Warner Losh wrote:
>> 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
>>>
>>>
>>>
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<p>Hi,</p>
<p>Am 19.03.26 um 09:38 schrieb Martin Matuska:</p>
<blockquote type="cite"
cite="mid:299d29ce-98b9-4daf-aed7-a8cc9cd3a45f@FreeBSD.org">
<p>Hi Warner,<br>
</p>
</blockquote>
...
<blockquote type="cite"
cite="mid:299d29ce-98b9-4daf-aed7-a8cc9cd3a45f@FreeBSD.org">
<p>Should we add options ZSTDIO to MINIMAL?<br>
<br>
</p>
</blockquote>
<p>Since MINIMAL "follows GENERIC, minus all functionality that can
be replaced by loading kernel modules."</p>
<p>and loading zfs isn't possible without ZSTDIO => yes, please.</p>
<p>Best Regards</p>
<p>Henry</p>
<blockquote type="cite"
cite="mid:299d29ce-98b9-4daf-aed7-a8cc9cd3a45f@FreeBSD.org">
<p>Best regards,<br>
mm</p>
<div class="moz-cite-prefix">On 18. 3. 2026 14:11, Warner Losh
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CANCZdfpQnALFj+5Hd0xC-5yO3wzjOmZG9TYQL6tWbHr_+y+RFQ@mail.gmail.com">
<meta http-equiv="content-type"
content="text/html; charset=UTF-8">
<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 <<a href="mailto:henry.vogt@gmail.com"
moz-do-not-send="true" class="moz-txt-link-freetext">henry.vogt@gmail.com</a>>
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">
<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'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 <<a
href="mailto:henry.vogt@gmail.com" target="_blank"
moz-do-not-send="true"
class="moz-txt-link-freetext">henry.vogt@gmail.com</a>>
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'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>
</blockquote>
</blockquote>
</body>
</html>
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