Re: git: 0a2bc1aae36b - stable/12 - release: move installworld before installkernel
Date: Fri, 03 Dec 2021 20:28:58 UTC
On 3 Dec 2021, at 20:20, Eugene Grosbein <eugen@grosbein.net> wrote: > > 03.12.2021 22:20, Ed Maste wrote: > >> The branch stable/12 has been updated by emaste: >> >> URL: https://cgit.FreeBSD.org/src/commit/?id=0a2bc1aae36b44b2c9e16684bc6270b8a82943e2 >> >> commit 0a2bc1aae36b44b2c9e16684bc6270b8a82943e2 >> Author: Ed Maste <emaste@FreeBSD.org> >> AuthorDate: 2021-04-05 17:16:01 +0000 >> Commit: Ed Maste <emaste@FreeBSD.org> >> CommitDate: 2021-12-03 15:19:09 +0000 >> >> release: move installworld before installkernel >> >> To support -DNO_ROOT work. The top-level installworld target creates a >> new METALOG starting with `#mtree 2.0` so it needs to be first, to avoid >> overwriting installkernel METALOG entries. >> >> Reviewed by: gjb >> MFC after: 1 month >> Sponsored by: The FreeBSD Foundation >> Differential Revision: https://reviews.freebsd.org/D29582 > > The need to run installworld before installkernel makes remote major upgrade less reliable: > in case of unexpected reboot in process a system ends up with new binaries that may require new system calls > and old kernel. This is bad. > > Is it possible to enhance install* targets so they do not overwrite what needs to be kept intact > to restore ability to install new kernel first? This is only for generating release images, hence the release: prefix and the fact it’s in release/. It has no bearing on the sequence used to update a running system. Jess