Date: Thu, 19 Mar 2026 09:38:03 +0100 From: Martin Matuska <mm@FreeBSD.org> To: Warner Losh <imp@bsdimp.com>, h v <henry.vogt@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: zfs module not loaded anymore on e.g MINIMAL Message-ID: <299d29ce-98b9-4daf-aed7-a8cc9cd3a45f@FreeBSD.org> In-Reply-To: <CANCZdfpQnALFj%2B5Hd0xC-5yO3wzjOmZG9TYQL6tWbHr_%2By%2BRFQ@mail.gmail.com> 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>
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[-- Attachment #1 --] Hi Warner, there has been an zstd update in ZFS that has already given me a lot of headache and postponed the whole commit by 2 months. As of our documentation, ZSTDIO should be included in kernel for ZFS: https://github.com/freebsd/freebsd-src/commit/fb702b4446023 Should we add options ZSTDIO to MINIMAL? 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 >> >> >> [-- Attachment #2 --] <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <p>Hi Warner,</p> <p>there has been an zstd update in ZFS that has already given me a lot of headache and postponed the whole commit by 2 months.</p> <p>As of our documentation, ZSTDIO should be included in kernel for ZFS:<br> <a class="moz-txt-link-freetext" href="https://github.com/freebsd/freebsd-src/commit/fb702b4446023">https://github.com/freebsd/freebsd-src/commit/fb702b4446023</a><br>; <br> Should we add options ZSTDIO to MINIMAL?<br> <br> 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> </body> </html>home | help
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