I have a vanilla FreeBSD 12.3-RELEASE-p6 (amd64) system. Upgraded to 12.4-RELEASE as follows: remote login via ssh freebsd-update upgrade -r 12.4-RELEASE freebsd-update install reboot remote login via ssh freebsd-update install now (after second install-run) remote login vi ssh is no longer possible Current solution: whilst still logged on, reboot again remote login via ssh is then possible again (at least when I tested this) Originally tested with FreeBSD 12.3-RELEASE-p6 on VMWare Fusion (on MacBook Pro with macOS Monterey 12.4), retested with a vanilla FreeBSD12.3-RELEASE install (installed from ISO-Image FreeBSD-12.3-RELEASE-amd64-dvd1.iso), same problem. This might bite all people who have remote systems without (remote) console access. Best regards Holger (not sure if this is similar to bug #41202)
*** Bug 268200 has been marked as a duplicate of this bug. ***
Given bug 263489 comment 23, I imagine that there was an omission from release notes for 12.4.
Late-breaking news, maybe? <https://www.freebsd.org/releases/12.4R/errata/#late-news> I can't offer to create a diff at the moment (limited to an iPad). Edit an existing page, plus another newsflash, plus maybe an email to freebsd-announce with reference to the newsflash. True: <https://www.freebsd.org/news/newsflash/#2022-12-05:1> does already direct readers to late-breaking news, however (if this bug is what I think) we have an unusual situation where an email might help to raise awareness; for operators to not have unplanned journeys to remote computers, and so on. Thanks
Workaround: Just restart sshd after your second freebsd-update install.
<https://old.reddit.com/r/freebsd/comments/11madit/-/> pinned as an announcement in the FreeBSD subreddit.
With the erratum published on 21st March in the 12.4R area, I think we can close this. <https://cgit.freebsd.org/doc/commit/?id=84b3c465a201d3cc9fea228b0547bc8673afa1a6> > Add OpenSSH updating note to 12.4 errata page Thanks @emaste