fix for arch under qemu

distros/arch/image.yaml

@@ -135,15 +135,25 @@ actions:
   action: |-
     #!/bin/bash
     set -eux
-    fc-cache -f -v
+    # fc-cache / systemctl can SIGSEGV under QEMU when image plat is linux/amd64 on arm64 hosts.
+    fc-cache -f 2>/dev/null || true
+
+    symlink_wants() {
+      local src=$1
+      local target=$2
+      [ -e "$src" ] || return 0
+      mkdir -p "/etc/systemd/system/${target}.wants"
+      ln -sf "$src" "/etc/systemd/system/${target}.wants/$(basename "$src")"
+    }
 
-    # SSH
     sed -i 's/^#*PermitRootLogin.*/PermitRootLogin no/'               /etc/ssh/sshd_config
     sed -i 's/^#*PasswordAuthentication.*/PasswordAuthentication yes/' /etc/ssh/sshd_config
-    systemctl enable sshd
-    systemctl enable NetworkManager
-    systemctl enable seatd
-    systemctl enable pipewire pipewire-pulse wireplumber || true
+    symlink_wants /usr/lib/systemd/system/sshd.service multi-user.target
+    symlink_wants /usr/lib/systemd/system/NetworkManager.service multi-user.target
+    symlink_wants /usr/lib/systemd/system/seatd.service multi-user.target
+    for s in pipewire pipewire-pulse wireplumber; do
+      symlink_wants "/usr/lib/systemd/system/${s}.service" default.target || true
+    done
 
 - trigger: post-files
   action: |-