On 2025-04-13 16:26, Robert Clausecker wrote: > Hi Alastair, Hey Robert,
> That sounds like a bug! Please report it on Bugzilla. Done, https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286072 Thanks. -- To good health, Alastair >> I am updating a 15-CURRENT host from >> 1016b3c344350fa5968f16852e5e4e388c51d817[1] (2025-03-08 18:28:50 +0000) >> to >> 63578bf225df37944b78febfb177e8c1c81f54e4[2] (2025-04-12 19:50:06 +0000). >> My update process is as follows: >> >> $ cat /home/agh/tasks/update-host >> #!/bin/sh -ex >> >> UPDATE_HOST_HOST="$(hostname -s)" >> >> (cd /usr/src && \ >> env MAKEOBJDIRPREFIX=/tmp/${UPDATE_HOST_HOST} make -j64 >> buildworld && \ >> env MAKEOBJDIRPREFIX=/tmp/${UPDATE_HOST_HOST} make -j64 >> buildkernel) >> >> (echo "env MAKEOBJDIRPREFIX=/tmp/${UPDATE_HOST_HOST} make >> installkernel") >> (echo "env MAKEOBJDIRPREFIX=/tmp/${UPDATE_HOST_HOST} make installworld") >> >> You can see that I build kernel, and world from a non-root user, into a >> tmpfs prefix. >> >> /usr/src is mounted read-only from a NFS exported checkout. The git >> checkout is owned by a non-root user: >> $ mount -p | grep "/usr/src" >> /exports/fafnir/git/freebsd/src/main /usr/src nullfs ro >> 0 0 >> >> After the build processes complete, I then switch to root, to start the >> upgrade: >> >> $ doas su - >> # cd /usr/src >> # etcupdate -p >> # env MAKEOBJDIRPREFIX=/tmp/fafnir make installkernel >> # env MAKEOBJDIRPREFIX=/tmp/fafnir make installworld >> # etcupdate >> >> Here etcupdate exits with, "Failed to build new tree." >> >> I used git bisect to find the commit[3] where my update process broke: >> commit 49bc071f40886af46eb90467dfef6cba5f95beec >> Author: Mark Johnston <ma...@freebsd.org> >> Date: Mon Apr 7 12:42:08 2025 +0000 >> >> nsswitch.conf: Avoid modification after installation >> >> To implement WITHOUT_NIS, we have a hack in the build which modifies >> the >> installed nsswitch.conf to remove NIS compat providers and >> databases. >> This hack operates on the installed nsswitch.conf, which means that >> the >> installed file size won't match that listed in the metalog. >> >> One option would be to maintain two copies of nsswitch.conf, one for >> each configuration, but that would result in duplication and I don't >> see >> a clear way around that. >> >> Instead, stage a copy of nsswitch.conf in the libc objdir, and >> modify >> that one before installing, so that the version recorded in the >> metalog >> matches what actually gets installed. >> >> PR: 209718 >> Reviewed by: kevans, emaste >> Sponsored by: Klara, Inc. >> Sponsored by: The FreeBSD Foundation >> Differential Revision: https://reviews.freebsd.org/D49300 >> >> Is my update process flawed? Is updating from a read-only ${SRC} not an >> option anymore, or never was meant to be an option? Is it possible >> configure etcupdate to build the current tree in a custom build prefix? >> >> A snippet from the etcupdate log: >> # tail -n40 /var/db/etcupdate/log >> ===> lib/csu (installconfig) >> ===> lib/csu/amd64 (installconfig) >> ===> lib/libc (installconfig) >> installing DIRS CONFSDIR >> install -N /usr/src/etc -d -m 0755 -o root -g wheel >> /var/db/etcupdate/etcupdate-JN3IPm7/etc >> install -N /usr/src/etc -C -o root -g wheel -m 644 /usr/src/etc/group >> /var/db/etcupdate/etcupdate-JN3IPm7/etc/group >> install -N /usr/src/etc -C -o root -g wheel -m 600 >> /usr/src/etc/master.passwd >> /var/db/etcupdate/etcupdate-JN3IPm7/etc/master.passwd >> install -N /usr/src/etc -C -o root -g wheel -m 644 >> /usr/src/etc/shells /var/db/etcupdate/etcupdate-JN3IPm7/etc/shells >> install -N /usr/src/etc -C -o root -g wheel -m 644 net/hosts >> /var/db/etcupdate/etcupdate-JN3IPm7/etc/hosts >> install -N /usr/src/etc -C -o root -g wheel -m 644 net/hosts.equiv >> /var/db/etcupdate/etcupdate-JN3IPm7/etc/hosts.equiv >> install -N /usr/src/etc -C -o root -g wheel -m 644 net/networks >> /var/db/etcupdate/etcupdate-JN3IPm7/etc/networks >> cp -f /usr/src/lib/libc/net/nsswitch.conf >> /usr/src/lib/libc/nsswitch.conf >> cp: /usr/src/lib/libc/nsswitch.conf: Read-only file system >> *** Error code 1 >> >> Stop. >> make[5]: stopped making "installconfig" in /usr/src/lib/libc >> *** Error code 1 >> >> Stop. >> make[4]: stopped making "installconfig" in /usr/src/lib >> *** Error code 1 >> >> Stop. >> make[3]: stopped making "installconfig" in /usr/src >> *** Error code 1 >> >> Stop. >> make[2]: stopped making "distribution" in /usr/src >> *** Error code 1 >> >> Stop. >> make[1]: stopped making "installetc" in /usr/src >> *** Error code 1 >> >> Stop. >> make: stopped making "installetc" in /usr/src >> rm: /var/db/etcupdate/etcupdate-JN3IPm7/var/empty: Operation not >> permitted >> rm: /var/db/etcupdate/etcupdate-JN3IPm7/var: Directory not empty >> rm: /var/db/etcupdate/etcupdate-JN3IPm7: Directory not empty >> >> 1: >> https://cgit.freebsd.org./src/commit/?id=1016b3c344350fa5968f16852e5e4e388c51d817 >> 2: >> https://cgit.freebsd.org./src/commit/?id=63578bf225df37944b78febfb177e8c1c81f54e4 >> 3: >> https://cgit.freebsd.org./src/commit/?id=49bc071f40886af46eb90467dfef6cba5f95beec >> >> -- >> To good health, >> Alastair >>