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[131.111.184.161]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47aa039af67sm1398063f8f.17.2026.07.03.11.29.33 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 03 Jul 2026 11:29:33 -0700 (PDT) Content-Type: text/plain; charset=utf-8 List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3893.100.7.1.1\)) Subject: Re: git: cd61eb4f6681 - main - zfs: Wire sha512 offload to the build From: Jessica Clarke In-Reply-To: Date: Fri, 3 Jul 2026 19:29:22 +0100 Cc: Alexander Motin , src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <6a46a7b9.25c03.7da045a1@gitrepo.freebsd.org> To: Alan Somers X-Mailer: Apple Mail (2.3893.100.7.1.1) X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US] X-Rspamd-Queue-Id: 4gsMjW6gflz3tgx X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated On 3 Jul 2026, at 19:08, Alan Somers wrote: >=20 > On Thu, Jul 2, 2026 at 12:02=E2=80=AFPM Alexander Motin = wrote: >>=20 >> The branch main has been updated by mav: >>=20 >> URL: = https://cgit.FreeBSD.org/src/commit/?id=3Dcd61eb4f6681b13d98b6a7be252500ad= 30f05f74 >>=20 >> commit cd61eb4f6681b13d98b6a7be252500ad30f05f74 >> Author: Alexander Motin >> AuthorDate: 2026-07-02 17:58:12 +0000 >> Commit: Alexander Motin >> CommitDate: 2026-07-02 17:58:12 +0000 >>=20 >> zfs: Wire sha512 offload to the build >>=20 >> FreeBSD main just got the CPUID_STDEXT4_SHA512 define. >>=20 >> OpenZFS PR #18732 >=20 > This commit breaks boot for me. The kernel can't open the zroot pool, > leading to the familiar mountroot> prompt. And in a UFS-root VM, I > can't load the ZFS kernel module. It fails with: >=20 > link_elf_obj: symbol zfs_sha512_transform_sha512ext undefined > linker_load_file: /boot/kernel/zfs.ko - unsupported file type >=20 > On both systems, the CPU is a Ryzen 9 5950X, which does not support = AVX-512. >=20 > Could we please revert the change for now? I imagine this is because changing CFLAGS doesn=E2=80=99t count as a = dependency change and sha512-x86_64.S isn=E2=80=99t rebuilt (and/or sha512_impl.c). = Just a reminder to everyone that chucking config options in CFLAGS is not a good approach and we should instead be using header files... Jessica