Re: [OE-core][PATCH 1/3] systemd: upgrade to 255.1

[Alexandre Belloni <alexandre.belloni@bootlin.com>]

On 19/01/2024 19:13:25+0100, Alexandre Belloni wrote:
> On 19/01/2024 11:09:20+0800, Chen Qi via lists.openembedded.org wrote:
> > What's the status of this patch series?
> > Is there any issue or concern that I missed?
> 
> I'm glad you asked, I got this today:
> 
> https://autobuilder.yoctoproject.org/typhoon/#/builders/72/builds/8466/steps/26/logs/warnings

and I know you sent a patch for this but it didn't make it yet.

> 
> > 
> > Regards,
> > Qi
> > 
> > On 12/27/23 12:20, Chen Qi via lists.openembedded.org wrote:
> > > From: Chen Qi <Qi.Chen@windriver.com>
> > > 
> > > 1. Patch changes:
> > > 
> > > 0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch
> > > is removed because it has no real effect now. The /lib is now
> > > /usr/lib because 'usrmerge' is a required distro feature for systemd.
> > > 
> > > 0002-binfmt-Don-t-install-dependency-links-at-install-tim.patch is
> > > refreshed for the new version to avoid patch-fuzz issue.
> > > 
> > > 2. root user's home directory now defaults to "/root":
> > > 
> > > The sysuers.d/basic.conf is still modified to respect the ROOT_HOME
> > > value, so if users set ROOT_HOME to "/home/root", the behavior is the
> > > same as before. However, this is only for backward compatibility. With
> > > this patch, The ROOT_HOME value is set to "/root" in init-manager-systemd.inc.
> > > This is because systemd's source codes are hardcoding "/root", and other
> > > values are not officially supported. See the list below.
> > > $ grep -rl '"/root"' src/ | grep -v 'src/test'
> > > src/core/namespace.c
> > > src/basic/user-util.c
> > > src/nss-systemd/nss-systemd.c
> > > src/nspawn/nspawn.c
> > > src/firstboot/firstboot.c
> > > src/shared/userdb.c
> > > src/shared/user-record.c
> > > $ grep -rl /root network/ factory/ sysctl.d/ sysusers.d/ rules.d/ tmpfiles.d/ units/ xorg/ tools/
> > > sysusers.d/basic.conf.in
> > > tmpfiles.d/provision.conf
> > > units/emergency.service.in
> > > units/rescue.service.in
> > > tools/list-discoverable-partitions.py
> > > Previously, the recipe was just substituting sysusers.d/basic.conf.in,
> > > which is not enough to be treated as 'fully support'. I deliberately put
> > > a warning message in do_install to warn users about non "/root" ROOT_HOME
> > > value. Don't remove it until all above places are handled.
> > > 
> > > 3. cgroupv2 is now the default.
> > > cgroupv2 is the default for systemd for many years and it's the default
> > > for distros such as ubuntu and fedora. Let's also use it as the default.
> > > 
> > > Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
> > > ---
> > >   .../distro/include/init-manager-systemd.inc   |  2 +
> > >   meta/recipes-core/systemd/systemd.inc         |  4 +-
> > >   ...tall-dependency-links-at-install-tim.patch | 22 +++---
> > >   ...sysctl.d-binfmt.d-modules-load.d-to-.patch | 73 -------------------
> > >   .../systemd/systemd/basic.conf.in             | 40 ----------
> > >   .../{systemd_254.4.bb => systemd_255.1.bb}    | 16 ++--
> > >   6 files changed, 25 insertions(+), 132 deletions(-)
> > >   delete mode 100644 meta/recipes-core/systemd/systemd/0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch
> > >   delete mode 100644 meta/recipes-core/systemd/systemd/basic.conf.in
> > >   rename meta/recipes-core/systemd/{systemd_254.4.bb => systemd_255.1.bb} (98%)
> > > 
> > > diff --git a/meta/conf/distro/include/init-manager-systemd.inc b/meta/conf/distro/include/init-manager-systemd.inc
> > > index 595d1f2644..0a76647459 100644
> > > --- a/meta/conf/distro/include/init-manager-systemd.inc
> > > +++ b/meta/conf/distro/include/init-manager-systemd.inc
> > > @@ -5,3 +5,5 @@ VIRTUAL-RUNTIME_init_manager ??= "systemd"
> > >   VIRTUAL-RUNTIME_initscripts ??= "systemd-compat-units"
> > >   VIRTUAL-RUNTIME_login_manager ??= "shadow-base"
> > >   VIRTUAL-RUNTIME_dev_manager ??= "systemd"
> > > +# systemd hardcodes /root in its source codes, other values are not offically supported
> > > +ROOT_HOME ?= "/root"
> > > diff --git a/meta/recipes-core/systemd/systemd.inc b/meta/recipes-core/systemd/systemd.inc
> > > index ccc3236457..1417e0150f 100644
> > > --- a/meta/recipes-core/systemd/systemd.inc
> > > +++ b/meta/recipes-core/systemd/systemd.inc
> > > @@ -15,8 +15,8 @@ LICENSE:libsystemd = "LGPL-2.1-or-later"
> > >   LIC_FILES_CHKSUM = "file://LICENSE.GPL2;md5=751419260aa954499f7abaabaa882bbe \
> > >                       file://LICENSE.LGPL2.1;md5=4fbd65380cdd255951079008b364516c"
> > > -SRCREV = "2e7504449a51fb38db9cd2da391c6434f82def51"
> > > -SRCBRANCH = "v254-stable"
> > > +SRCREV = "2018ccef6645ce00c784369a22dc4e98f6d7061d"
> > > +SRCBRANCH = "v255-stable"
> > >   SRC_URI = "git://github.com/systemd/systemd-stable.git;protocol=https;branch=${SRCBRANCH}"
> > >   S = "${WORKDIR}/git"
> > > diff --git a/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-dependency-links-at-install-tim.patch b/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-dependency-links-at-install-tim.patch
> > > index 085f1e9052..be231cf6b2 100644
> > > --- a/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-dependency-links-at-install-tim.patch
> > > +++ b/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-dependency-links-at-install-tim.patch
> > > @@ -1,8 +1,8 @@
> > > -From ca7d9a8d9c81702af9c599bb79706f12b1a465cf Mon Sep 17 00:00:00 2001
> > > +From 29a58009a172e369ad7166e16dab2f4945c6b0d2 Mon Sep 17 00:00:00 2001
> > >   From: Chen Qi <Qi.Chen@windriver.com>
> > >   Date: Thu, 21 Feb 2019 16:23:24 +0800
> > > -Subject: [PATCH] binfmt: Don't install dependency links at install time for
> > > - the binfmt services
> > > +Subject: [PATCH 1/2] binfmt: Don't install dependency links at install time
> > > + for the binfmt services
> > >   use [Install] blocks so that they get created when the service is enabled
> > >   like a traditional service.
> > > @@ -25,10 +25,10 @@ Signed-off-by: Scott Murray <scott.murray@konsulko.com>
> > >    3 files changed, 7 insertions(+), 2 deletions(-)
> > >   diff --git a/units/meson.build b/units/meson.build
> > > -index c7939a10f8..219570ab19 100644
> > > +index e7bfb7f838..1d5ec4b178 100644
> > >   --- a/units/meson.build
> > >   +++ b/units/meson.build
> > > -@@ -149,7 +149,6 @@ units = [
> > > +@@ -154,7 +154,6 @@ units = [
> > >            {
> > >              'file' : 'proc-sys-fs-binfmt_misc.automount',
> > >              'conditions' : ['ENABLE_BINFMT'],
> > > @@ -36,7 +36,7 @@ index c7939a10f8..219570ab19 100644
> > >            },
> > >            {
> > >              'file' : 'proc-sys-fs-binfmt_misc.mount',
> > > -@@ -246,7 +245,6 @@ units = [
> > > +@@ -251,7 +250,6 @@ units = [
> > >            {
> > >              'file' : 'systemd-binfmt.service.in',
> > >              'conditions' : ['ENABLE_BINFMT'],
> > > @@ -45,7 +45,7 @@ index c7939a10f8..219570ab19 100644
> > >            {
> > >              'file' : 'systemd-bless-boot.service.in',
> > >   diff --git a/units/proc-sys-fs-binfmt_misc.automount b/units/proc-sys-fs-binfmt_misc.automount
> > > -index 6b1bbdc91e..5ec5b8670a 100644
> > > +index 5d212015a5..6c2900ca77 100644
> > >   --- a/units/proc-sys-fs-binfmt_misc.automount
> > >   +++ b/units/proc-sys-fs-binfmt_misc.automount
> > >   @@ -22,3 +22,6 @@ Before=shutdown.target
> > > @@ -56,7 +56,7 @@ index 6b1bbdc91e..5ec5b8670a 100644
> > >   +[Install]
> > >   +WantedBy=sysinit.target
> > >   diff --git a/units/systemd-binfmt.service.in b/units/systemd-binfmt.service.in
> > > -index b04412e037..63f116e4fa 100644
> > > +index 6861c76674..531e9fbd90 100644
> > >   --- a/units/systemd-binfmt.service.in
> > >   +++ b/units/systemd-binfmt.service.in
> > >   @@ -14,6 +14,7 @@ Documentation=https://docs.kernel.org/admin-guide/binfmt-misc.html
> > > @@ -68,12 +68,12 @@ index b04412e037..63f116e4fa 100644
> > >    After=proc-sys-fs-binfmt_misc.mount
> > >    After=local-fs.target
> > >   @@ -31,3 +32,6 @@ RemainAfterExit=yes
> > > - ExecStart={{ROOTLIBEXECDIR}}/systemd-binfmt
> > > - ExecStop={{ROOTLIBEXECDIR}}/systemd-binfmt --unregister
> > > + ExecStart={{LIBEXECDIR}}/systemd-binfmt
> > > + ExecStop={{LIBEXECDIR}}/systemd-binfmt --unregister
> > >    TimeoutSec=90s
> > >   +
> > >   +[Install]
> > >   +WantedBy=sysinit.target
> > >   --
> > > -2.39.2
> > > +2.34.1
> > > diff --git a/meta/recipes-core/systemd/systemd/0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch b/meta/recipes-core/systemd/systemd/0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch
> > > deleted file mode 100644
> > > index 98914ae154..0000000000
> > > --- a/meta/recipes-core/systemd/systemd/0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch
> > > +++ /dev/null
> > > @@ -1,73 +0,0 @@
> > > -From f75f03ef6bc3554068e456bed227f333d5cb8c34 Mon Sep 17 00:00:00 2001
> > > -From: Khem Raj <raj.khem@gmail.com>
> > > -Date: Tue, 29 Sep 2020 18:01:41 -0700
> > > -Subject: [PATCH] Move sysusers.d/sysctl.d/binfmt.d/modules-load.d to /usr
> > > -
> > > -These directories are moved to /lib since systemd v246, commit
> > > -4a56315a990b ("path: use ROOTPREFIX properly"), but in oe-core/yocto,
> > > -the old /usr/lib is still being used.
> > > -
> > > -Upstream-Status: Inappropriate (OE-specific)
> > > -Signed-off-by: Khem Raj <raj.khem@gmail.com>
> > > -Signed-off-by: Jiaqing Zhao <jiaqing.zhao@linux.intel.com>
> > > ----
> > > - src/core/systemd.pc.in           | 8 ++++----
> > > - src/libsystemd/sd-path/sd-path.c | 8 ++++----
> > > - 2 files changed, 8 insertions(+), 8 deletions(-)
> > > -
> > > -diff --git a/src/core/systemd.pc.in b/src/core/systemd.pc.in
> > > -index 693433b34b..8368a3ff02 100644
> > > ---- a/src/core/systemd.pc.in
> > > -+++ b/src/core/systemd.pc.in
> > > -@@ -67,16 +67,16 @@ tmpfilesdir=${tmpfiles_dir}
> > > -
> > > - user_tmpfiles_dir=${prefix}/share/user-tmpfiles.d
> > > -
> > > --sysusers_dir=${rootprefix}/lib/sysusers.d
> > > -+sysusers_dir=${prefix}/lib/sysusers.d
> > > - sysusersdir=${sysusers_dir}
> > > -
> > > --sysctl_dir=${rootprefix}/lib/sysctl.d
> > > -+sysctl_dir=${prefix}/lib/sysctl.d
> > > - sysctldir=${sysctl_dir}
> > > -
> > > --binfmt_dir=${rootprefix}/lib/binfmt.d
> > > -+binfmt_dir=${prefix}/lib/binfmt.d
> > > - binfmtdir=${binfmt_dir}
> > > -
> > > --modules_load_dir=${rootprefix}/lib/modules-load.d
> > > -+modules_load_dir=${prefix}/lib/modules-load.d
> > > - modulesloaddir=${modules_load_dir}
> > > -
> > > - catalog_dir=${prefix}/lib/systemd/catalog
> > > -diff --git a/src/libsystemd/sd-path/sd-path.c b/src/libsystemd/sd-path/sd-path.c
> > > -index 1af3a36d1d..def502b717 100644
> > > ---- a/src/libsystemd/sd-path/sd-path.c
> > > -+++ b/src/libsystemd/sd-path/sd-path.c
> > > -@@ -365,19 +365,19 @@ static int get_path(uint64_t type, char **buffer, const char **ret) {
> > > -                 return 0;
> > > -
> > > -         case SD_PATH_SYSUSERS:
> > > --                *ret = ROOTPREFIX_NOSLASH "/lib/sysusers.d";
> > > -+                *ret = "/usr/lib/sysusers.d";
> > > -                 return 0;
> > > -
> > > -         case SD_PATH_SYSCTL:
> > > --                *ret = ROOTPREFIX_NOSLASH "/lib/sysctl.d";
> > > -+                *ret = "/usr/lib/sysctl.d";
> > > -                 return 0;
> > > -
> > > -         case SD_PATH_BINFMT:
> > > --                *ret = ROOTPREFIX_NOSLASH "/lib/binfmt.d";
> > > -+                *ret = "/usr/lib/binfmt.d";
> > > -                 return 0;
> > > -
> > > -         case SD_PATH_MODULES_LOAD:
> > > --                *ret = ROOTPREFIX_NOSLASH "/lib/modules-load.d";
> > > -+                *ret = "/usr/lib/modules-load.d";
> > > -                 return 0;
> > > -
> > > -         case SD_PATH_CATALOG:
> > > ---
> > > -2.39.2
> > > -
> > > diff --git a/meta/recipes-core/systemd/systemd/basic.conf.in b/meta/recipes-core/systemd/systemd/basic.conf.in
> > > deleted file mode 100644
> > > index fac288f7fa..0000000000
> > > --- a/meta/recipes-core/systemd/systemd/basic.conf.in
> > > +++ /dev/null
> > > @@ -1,40 +0,0 @@
> > > -#  This file is part of systemd.
> > > -#
> > > -#  systemd is free software; you can redistribute it and/or modify it
> > > -#  under the terms of the GNU Lesser General Public License as published by
> > > -#  the Free Software Foundation; either version 2.1 of the License, or
> > > -#  (at your option) any later version.
> > > -
> > > -# The superuser
> > > -u root    0     "root" :ROOT_HOME:
> > > -
> > > -# The nobody user/group for NFS file systems
> > > -g {{NOBODY_GROUP_NAME}} 65534       -            -
> > > -u {{NOBODY_USER_NAME }} 65534:65534 "Nobody"     -
> > > -
> > > -# Administrator group: can *see* more than normal users
> > > -g adm     {{ADM_GID    }}     -            -
> > > -
> > > -# Administrator group: can *do* more than normal users
> > > -g wheel   {{WHEEL_GID  }}     -            -
> > > -
> > > -# Access to shared database of users on the system
> > > -g utmp    {{UTMP_GID   }}     -            -
> > > -
> > > -# Physical and virtual hardware access groups
> > > -g audio   {{AUDIO_GID  }}     -            -
> > > -g cdrom   {{CDROM_GID  }}     -            -
> > > -g dialout {{DIALOUT_GID}}     -            -
> > > -g disk    {{DISK_GID   }}     -            -
> > > -g input   {{INPUT_GID  }}     -            -
> > > -g kmem    {{KMEM_GID   }}     -            -
> > > -g kvm     {{KVM_GID    }}     -            -
> > > -g lp      {{LP_GID     }}     -            -
> > > -g render  {{RENDER_GID }}     -            -
> > > -g sgx     {{SGX_GID    }}     -            -
> > > -g tape    {{TAPE_GID   }}     -            -
> > > -g tty     {{TTY_GID    }}     -            -
> > > -g video   {{VIDEO_GID  }}     -            -
> > > -
> > > -# Default group for normal users
> > > -g users   {{USERS_GID  }}     -            -
> > > diff --git a/meta/recipes-core/systemd/systemd_254.4.bb b/meta/recipes-core/systemd/systemd_255.1.bb
> > > similarity index 98%
> > > rename from meta/recipes-core/systemd/systemd_254.4.bb
> > > rename to meta/recipes-core/systemd/systemd_255.1.bb
> > > index 0c12926bef..daa3a01fef 100644
> > > --- a/meta/recipes-core/systemd/systemd_254.4.bb
> > > +++ b/meta/recipes-core/systemd/systemd_255.1.bb
> > > @@ -21,7 +21,6 @@ REQUIRED_DISTRO_FEATURES += "systemd"
> > >   SRC_URI += " \
> > >              file://touchscreen.rules \
> > >              file://00-create-volatile.conf \
> > > -           file://basic.conf.in \
> > >              ${@bb.utils.contains('PACKAGECONFIG', 'polkit_hostnamed_fallback', 'file://org.freedesktop.hostname1_no_polkit.conf', '', d)} \
> > >              ${@bb.utils.contains('PACKAGECONFIG', 'polkit_hostnamed_fallback', 'file://00-hostnamed-network-user.conf', '', d)} \
> > >              file://init \
> > > @@ -29,7 +28,6 @@ SRC_URI += " \
> > >              file://systemd-pager.sh \
> > >              file://0002-binfmt-Don-t-install-dependency-links-at-install-tim.patch \
> > >              file://0008-implment-systemd-sysv-install-for-OE.patch \
> > > -           file://0004-Move-sysusers.d-sysctl.d-binfmt.d-modules-load.d-to-.patch \
> > >              "
> > >   # patches needed by musl
> > > @@ -73,6 +71,7 @@ PACKAGECONFIG ??= " \
> > >       ${@bb.utils.contains('DISTRO_FEATURES', 'sysvinit', '', 'link-udev-shared', d)} \
> > >       backlight \
> > >       binfmt \
> > > +    cgroupv2 \
> > >       gshadow \
> > >       hibernate \
> > >       hostnamed \
> > > @@ -266,12 +265,16 @@ EXTRA_OEMESON += "-Dkexec-path=${sbindir}/kexec \
> > >   # The 60 seconds is watchdog's default vaule.
> > >   WATCHDOG_TIMEOUT ??= "60"
> > > -do_configure:prepend() {
> > > -  sed s@:ROOT_HOME:@${ROOT_HOME}@g ${WORKDIR}/basic.conf.in > ${S}/sysusers.d/basic.conf.in
> > > -}
> > > -
> > >   do_install() {
> > >   	meson_do_install
> > > +	# Change the root user's home directory in /lib/sysusers.d/basic.conf.
> > > +	# This is done merely for backward compatibility with previous systemd recipes.
> > > +	# systemd hardcodes root user's HOME to be "/root". Changing to use other values
> > > +	# may have unexpected runtime behaviors.
> > > +	if [ "${ROOT_HOME}" != "/root" ]; then
> > > +		bbwarn "Using ${ROOT_HOME} as root user's home directory is not fully supported by systemd"
> > > +		sed -i -e 's#/root#${ROOT_HOME}#g' ${D}${exec_prefix}/lib/sysusers.d/basic.conf
> > > +	fi
> > >   	install -d ${D}/${base_sbindir}
> > >   	if ${@bb.utils.contains('PACKAGECONFIG', 'serial-getty-generator', 'false', 'true', d)}; then
> > >   		# Provided by a separate recipe
> > > @@ -754,6 +757,7 @@ FILES:udev += "${base_sbindir}/udevd \
> > >                  ${rootlibexecdir}/udev/rules.d/60-persistent-alsa.rules \
> > >                  ${rootlibexecdir}/udev/rules.d/60-persistent-input.rules \
> > >                  ${rootlibexecdir}/udev/rules.d/60-persistent-storage.rules \
> > > +               ${rootlibexecdir}/udev/rules.d/60-persistent-storage-mtd.rules \
> > >                  ${rootlibexecdir}/udev/rules.d/60-persistent-storage-tape.rules \
> > >                  ${rootlibexecdir}/udev/rules.d/60-persistent-v4l.rules \
> > >                  ${rootlibexecdir}/udev/rules.d/60-sensor.rules \
> > > 
> > > 
> > > 
> > 
> 
> > 
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> 
> -- 
> Alexandre Belloni, co-owner and COO, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com