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([2003:6:63e6:9b15:6941:ac24:d5c1:627e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43b51892228sm116607f8f.17.2026.03.17.08.12.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Mar 2026 08:12:40 -0700 (PDT) Content-Type: multipart/alternative; boundary="------------tQogau7HdgQm0DuYDroe5yii" Message-ID: Date: Tue, 17 Mar 2026 16:12:39 +0100 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: zfs module not loaded anymore on e.g MINIMAL To: Warner Losh Cc: freebsd-current@freebsd.org References: <5913b3ac-2ed7-42ab-9c26-0d204c38c578@gmail.com> From: h v In-Reply-To: X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; TAGGED_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US] X-Rspamd-Queue-Id: 4fZwSC58skz3Rpt X-Spamd-Bar: ---- This is a multi-part message in MIME format. --------------tQogau7HdgQm0DuYDroe5yii Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit 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 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 > > > --------------tQogau7HdgQm0DuYDroe5yii Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit

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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