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fix: keep systemd-firstboot running headless (detach stdio from console) #279

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fix: keep systemd-firstboot running headless (detach stdio from console) #279

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6 changes: 6 additions & 0 deletions src/modules/base/config
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,12 @@ fi
#Keyboard
[ -n "$BASE_CONFIG_KEYBOARD" ] || BASE_CONFIG_KEYBOARD=default

# Guarantee headless first boot: seed every systemd-firstboot prompt
# (locale, keymap, timezone, root password credential) at build time so
# the wizard never blocks sysinit.target waiting for console input.
# Set to "no" to keep the interactive first-boot wizard.
[ -n "$BASE_FIRSTBOOT_NONINTERACTIVE" ] || BASE_FIRSTBOOT_NONINTERACTIVE=yes

# Arch for now either armv7l, arm64 or aarch64
[ -n "$BASE_ARCH" ] || BASE_ARCH=armv7l

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18 changes: 18 additions & 0 deletions src/modules/base/end_chroot_script
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Expand Up @@ -34,6 +34,24 @@ fi
echo "$BASE_OVERRIDE_HOSTNAME" > /etc/hostname
sed -i -e "s@${FILE_HOST_NAME}@$BASE_OVERRIDE_HOSTNAME@g" /etc/hosts

# Headless first boot: systemd-firstboot.service runs its wizard with
# StandardOutput/Error=tty and prompts on /dev/console. On Raspberry Pi 5
# (kernel 6.12.47) the wizard child opening /dev/console deadlocks the boot:
# sysinit.target stalls (SSH/LightDM never start) and every console writer
# blocks — the whole boot looks frozen. Reproduced on hardware; the same image
# completes first boot in QEMU. Verified fix: run the wizard with stdio
# detached from the console. Prompts then read EOF and the wizard exits
# immediately (verified: exit 0), the unit still runs (machine-id handling,
# credentials, first-boot-complete.target all preserved — nothing masked).
# Set BASE_FIRSTBOOT_NONINTERACTIVE=no to keep console stdio for distros
# that attach a display/keyboard.
if [ "${BASE_FIRSTBOOT_NONINTERACTIVE}" != "no" ]; then
echo "firstboot: detaching systemd-firstboot stdio from console (headless fix)"
mkdir -p /etc/systemd/system/systemd-firstboot.service.d
printf '[Service]\nStandardInput=null\nStandardOutput=null\nStandardError=null\n' \
> /etc/systemd/system/systemd-firstboot.service.d/headless.conf
fi

if [ "${BASE_DISTRO}" == "ubuntu" ];then
echo "127.0.0.1 ${BASE_OVERRIDE_HOSTNAME}" > /etc/hosts
fi
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