On 28/12/2023 03:00:08+0000, Chen, Qi wrote:
> I double checked it in my environment, setting INIT_MANAGER to "systemd" and
> then 'bitbake systemd' will not generate this warning. In this case
> ROOT_HOME's value is "/root".
> I checked
> https://autobuilder.yoctoproject.org/typhoon/#/builders/40/builds/8354, but I
> couldn't find the configuration items that set the init manager to systemd.
> Does the build use the variable 'INIT_MANAGER'? Does it set ROOT_HOME to
> "/home/root" somewhere?
>
This is the config that is used:
MACHINE = "qemux86-64"
DISTRO = "poky"
SDKMACHINE = "x86_64"
PACKAGE_CLASSES = "package_rpm package_deb package_ipk"
DL_DIR = '/srv/autobuilder/autobuilder.yocto.io/current_sources'
SSTATE_DIR ?= '/srv/autobuilder/autobuilder.yocto.io/pub/sstate'
TEST_SUITES:append = ' systemd'
DISTRO_FEATURES:append = ' pam systemd usrmerge'
VIRTUAL-RUNTIME_init_manager = 'systemd'
DISTRO_FEATURES_BACKFILL_CONSIDERED = 'sysvinit'
DISTRO_FEATURES:remove = 'x11'
QEMU_USE_KVM = 'True'
INHERIT += 'report-error'
PREMIRRORS = ''
BB_GENERATE_MIRROR_TARBALLS = '1'
BB_NUMBER_THREADS = '16'
BB_NUMBER_PARSE_THREADS = '16'
PARALLEL_MAKE = '-j 16 -l 52'
BB_PRESSURE_MAX_CPU = '10000'
BB_PRESSURE_MAX_IO = '10000'
XZ_MEMLIMIT = '5%'
XZ_THREADS = '8'
ZSTD_THREADS = '8'
BB_TASK_NICE_LEVEL = '5'
BB_TASK_NICE_LEVEL:task-testimage = '0'
BB_TASK_IONICE_LEVEL = '2.7'
BB_TASK_IONICE_LEVEL:task-testimage = '2.1'
IMAGE_CLASSES += 'testimage'
TEST_QEMUBOOT_TIMEOUT = '1500'
SANITY_TESTED_DISTROS = ''
SDK_EXT_TYPE = 'minimal'
SDK_INCLUDE_TOOLCHAIN = '1'
ESDK_LOCAL_CONF_REMOVE:append = 'BB_HASHSERVE'
BB_DISKMON_DIRS = 'STOPTASKS,${TMPDIR},1G,100K STOPTASKS,${DL_DIR},1G
STOPTASKS,${SSTATE_DIR},1G STOPTASKS,/tmp,100M,30K HALT,${TMPDIR},100M,1K
HALT,${DL_DIR},100M HALT,${SSTATE_DIR},100M HALT,/tmp,10M,1K'
BB_HASHSERVE = 'hashserv.yocto.io:8686'
RUNQEMU_TMPFS_DIR = '/home/pokybuild/tmp'
BB_HEARTBEAT_EVENT = '60'
BB_LOG_HOST_STAT_ON_INTERVAL = '1'
BB_LOG_HOST_STAT_CMDS_INTERVAL = 'oe-time-dd-test.sh -c 100 -t 3'
BB_LOG_HOST_STAT_ON_FAILURE = '1'
BB_LOG_HOST_STAT_CMDS_FAILURE = 'oe-time-dd-test.sh -l'
SDK_TOOLCHAIN_LANGS += 'rust'
BB_SERVER_TIMEOUT = '60'
It is in auto.conf and it is displayed in the first lines of
https://autobuilder.yoctoproject.org/typhoon/#/builders/40/builds/8354/steps/14/logs/stdio
> Regards,
> Qi
>
> -----Original Message-----
> From: Alexandre Belloni <[email protected]>
> Sent: Wednesday, December 27, 2023 7:59 PM
> To: Chen, Qi <[email protected]>
> Cc: [email protected]
> Subject: Re: [OE-core][PATCH 1/3] systemd: upgrade to 255.1
>
> We hit the added warning on the autobuilders:
>
> WARNING: systemd-1_255.1-r0 do_install: Using /home/root as root user's home
> directory is not fully supported by systemd
>
> https://autobuilder.yoctoproject.org/typhoon/#/builders/40/builds/8354/steps/14/logs/warnings
>
> On 27/12/2023 12:20:34+0800, Chen Qi via lists.openembedded.org wrote:
> > From: Chen Qi <[email protected]>
> >
> > 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 <[email protected]>
> > ---
> > .../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-dependen
> > cy-links-at-install-tim.patch
> > b/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-dependen
> > cy-links-at-install-tim.patch
> > index 085f1e9052..be231cf6b2 100644
> > ---
> > a/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-dependen
> > cy-links-at-install-tim.patch
> > +++ b/meta/recipes-core/systemd/systemd/0002-binfmt-Don-t-install-depe
> > +++ ndency-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 <[email protected]>
> > 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 <[email protected]>
> > 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-binf
> > mt.d-modules-load.d-to-.patch
> > b/meta/recipes-core/systemd/systemd/0004-Move-sysusers.d-sysctl.d-binf
> > mt.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-binf
> > mt.d-modules-load.d-to-.patch
> > +++ /dev/null
> > @@ -1,73 +0,0 @@
> > -From f75f03ef6bc3554068e456bed227f333d5cb8c34 Mon Sep 17 00:00:00
> > 2001
> > -From: Khem Raj <[email protected]>
> > -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 <[email protected]>
> > -Signed-off-by: Jiaqing Zhao <[email protected]>
> > ----
> > - 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 \
> > --
> > 2.34.1
> >
>
> >
> >
> >
>
>
> --
> 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
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