Hi Alan, On Fri, Jul 03, 2026 at 12:08:47PM -0600, Alan Somers wrote: > On Thu, Jul 2, 2026 at 12:02 PM Alexander Motin <[email protected]> wrote: > > > > The branch main has been updated by mav: > > > > URL: > > https://cgit.FreeBSD.org/src/commit/?id=cd61eb4f6681b13d98b6a7be252500ad30f05f74 > > > > commit cd61eb4f6681b13d98b6a7be252500ad30f05f74 > > Author: Alexander Motin <[email protected]> > > AuthorDate: 2026-07-02 17:58:12 +0000 > > Commit: Alexander Motin <[email protected]> > > CommitDate: 2026-07-02 17:58:12 +0000 > > > > zfs: Wire sha512 offload to the build > > > > FreeBSD main just got the CPUID_STDEXT4_SHA512 define. > > > > OpenZFS PR #18732 > > 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: > > link_elf_obj: symbol zfs_sha512_transform_sha512ext undefined > linker_load_file: /boot/kernel/zfs.ko - unsupported file type > > On both systems, the CPU is a Ryzen 9 5950X, which does not support AVX-512. > > Could we please revert the change for now?
+1 from my side. Even booting the old kernel doesn't work as usual. I have to manually unload all modules, load the old kernel and then load the old zfs module to get my development machine booting. I have reverted this change locally and did a fresh build and everything went back to normal. --Gordon
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