On Aug 22, 2022, at 9:27 AM, Warner Losh <imp at bsdimp.com> wrote: > > FreeBSD deleted some compat code in the kernel some time ago, and it turns > out that restore used that to read old dump tapes, so we broke old dump tapes. > So you can't use FreeBSD's unmodified. May be run an older release that has this code?