svn commit: r344972 - head

[Alan Somers]

On Sat, Mar 9, 2019 at 10:18 AM Warner Losh <imp at freebsd.org> wrote:
>
> Author: imp
> Date: Sat Mar  9 17:17:59 2019
> New Revision: 344972
> URL: https://svnweb.freebsd.org/changeset/base/344972
>
> Log:
>   Augment ino64 entry
>
>   When updating across this change (the introduction of ino64), the
>   "fast and loose" practice of rebooting to multiuser and then doing an
>   installworld fails with missing symbols. Recommend strongly that users
>   do this in single user mode. The multiuser case only ever works by
>   accident because its requirements are stronger than is supported
>   accross this change. It usually works because critical symbols don't
>   change their version number in libc, which wasn't the case here.
>
> Modified:
>   head/UPDATING

Booting into single-user mode will work, but using boot environments
works even better.  You can install both kernel and world into the new
boot environment and then reboot into it.  The only downside is that
it requires booting from ZFS.
-Alan