diff --git a/tools/linuxfs/overlay/usr/local/bin/droiddeck-login1 b/tools/linuxfs/overlay/usr/local/bin/droiddeck-login1
index 7ce786740..0e538a8f6 100755
--- a/tools/linuxfs/overlay/usr/local/bin/droiddeck-login1
+++ b/tools/linuxfs/overlay/usr/local/bin/droiddeck-login1
@@ -5,6 +5,8 @@ Android owns device power. Suspend here pauses the guest through SessionService;
 the app's Resume action thaws it and completes PrepareForSleep(false). Steam
 must see this service before startup or it can stay black after its idle timer.
 """
+import importlib.machinery
+import importlib.util
 import os
 from pathlib import Path
 import re
@@ -193,6 +195,15 @@ class LoginManager:
             self.notify(False)
 
 
+def load_netmanager():
+    path = Path(__file__).resolve().with_name("droiddeck-netmanager")
+    loader = importlib.machinery.SourceFileLoader("droiddeck_netmanager", str(path))
+    spec = importlib.util.spec_from_loader(loader.name, loader)
+    module = importlib.util.module_from_spec(spec)
+    loader.exec_module(module)
+    return module
+
+
 def main():
     directory = os.environ.get("BL_LAUNCH_DIR")
     if not directory or not Path(directory).is_dir():
@@ -218,6 +229,8 @@ def main():
 
     owners = [Gio.bus_own_name(Gio.BusType.SYSTEM, name, Gio.BusNameOwnerFlags.NONE, connected, acquired, lost)
               for name in (NAME, UPOWER)]
+    if "--with-netmanager" in sys.argv[1:]:
+        owners.append(load_netmanager().own(loop))
     try:
         loop.run()
     finally:
diff --git a/tools/linuxfs/overlay/usr/local/bin/droiddeck-netmanager b/tools/linuxfs/overlay/usr/local/bin/droiddeck-netmanager
index f8df451bb..814b110c9 100755
--- a/tools/linuxfs/overlay/usr/local/bin/droiddeck-netmanager
+++ b/tools/linuxfs/overlay/usr/local/bin/droiddeck-netmanager
@@ -408,8 +408,7 @@ class NetworkManager:
             self.bus.emit_signal(None, path, OBJECT_MANAGER, signal, body)
 
 
-def main():
-    loop = GLib.MainLoop()
+def own(loop):
     state = {}
 
     def acquired(bus, name):
@@ -419,7 +418,12 @@ def main():
         print("== netmanager: the system bus is gone", file=sys.stderr)
         loop.quit()
 
-    Gio.bus_own_name(Gio.BusType.SYSTEM, NAME, Gio.BusNameOwnerFlags.NONE, acquired, None, lost)
+    return Gio.bus_own_name(Gio.BusType.SYSTEM, NAME, Gio.BusNameOwnerFlags.NONE, acquired, None, lost)
+
+
+def main():
+    loop = GLib.MainLoop()
+    own(loop)
     loop.run()
 
 
diff --git a/tools/linuxfs/overlay/usr/local/bin/droiddeck-session b/tools/linuxfs/overlay/usr/local/bin/droiddeck-session
index 0f134b9b6..6b4f1dca8 100755
--- a/tools/linuxfs/overlay/usr/local/bin/droiddeck-session
+++ b/tools/linuxfs/overlay/usr/local/bin/droiddeck-session
@@ -328,23 +328,6 @@ case $mode in
     fi
     if [ -n "${BL_CLIENT_CPUS:-}" ]; then
       step "client cores: $BL_CLIENT_CPUS"
-      (
-        declare -A _bl_pinned=()
-        for ((_i = 0; _i < 720; _i++)); do
-          for _d in /proc/[0-9]*; do
-            IFS= read -r -d '' _c < "$_d/cmdline" 2>/dev/null || continue
-            case $_c in *steamwebhelper*|*steamrtarm64/steam|*gamescope*) ;; *) continue ;; esac
-            _t=("$_d"/task/*)
-            _p=${_d#/proc/}
-            if [ "${_bl_pinned[$_p]:-}" = "${#_t[@]}" ] && client_single_core_matches "$BL_CLIENT_CPUS" "${_t[@]}"; then
-              continue
-            fi
-            taskset -a -cp "$BL_CLIENT_CPUS" "$_p" >/dev/null 2>&1 || true
-            _bl_pinned[$_p]=${#_t[@]}
-          done
-          nap 5
-        done
-      ) &
     fi
     if [ "${BL_ZRAM:-0}" = 1 ]; then
       printf 0 > /tmp/.bl-zram
@@ -459,105 +442,50 @@ case $mode in
         ) &
       fi
     fi
-    [ -z "${BL_DESKTOP:-}" ] && [ "${BL_STRETCHED:-0}" = 1 ] && (
-      while :; do
-        nap 1
-        cur=$(xprop -root GAMESCOPE_NEW_SCALING_SCALER 2>/dev/null) || continue
-        case $cur in *" = "*) cur=${cur##* = } ;; *) cur=0 ;; esac
-        [ "$cur" = 0 ] || continue
-        xprop -root -f GAMESCOPE_NEW_SCALING_SCALER 32c -set GAMESCOPE_NEW_SCALING_SCALER 4 2>/dev/null \
-          && echo "== stretch 16:9 to panel: the client's scaler was Auto, set to Stretch"
-      done
-    ) &
-    [ -z "${BL_DESKTOP:-}" ] && [ "${BL_RESTORE_ON_RESUME:-1}" = 1 ] && (
-      prev=
-      xprop -spy -root GAMESCOPE_FOCUSED_APP 2>/dev/null | while read -r line; do
-        app=${line##*= }
-        case $app in ''|*[!0-9]*) prev=; continue ;; esac
-        if [ "$prev" = 769 ] && [ "$app" != 769 ]; then
-          nap 1
-          bl_xprop_set_all GAMESCOPE_RESTORE_FOCUS_WINDOW 1 \
-            && echo "== resume: asked gamescope to restore the game window (app $app)"
-        fi
-        prev=$app
-      done
-    ) &
     [ -z "${BL_DESKTOP:-}" ] && (
-      xprop_value() {
-        case $1 in *'not found'*|*=) echo "$2"; return ;; esac
-        local v=${1#*=}
-        v=${v# }
-        echo "${v:-$2}"
+      stretch=0 restore=0
+      [ "${BL_STRETCHED:-0}" = 1 ] && stretch=1
+      [ "${BL_RESTORE_ON_RESUME:-1}" = 1 ] && restore=1
+      atoms=(STEAM_TOUCH_CLICK_MODE GAMESCOPE_FOCUSED_APP)
+      [ "$stretch" = 1 ] && atoms+=(GAMESCOPE_NEW_SCALING_SCALER)
+      prop_value() {
+        case $1 in *'not found'*|*=) pv=$2; return ;; esac
+        pv=${1#*=}
+        pv=${pv# }
+        pv=${pv:-$2}
       }
-      tmode= app=
-      xprop -spy -root STEAM_TOUCH_CLICK_MODE GAMESCOPE_FOCUSED_APP 2>/dev/null | while read -r line; do
+      tmode= app= prev=
+      while read -r line; do
         case $line in
           STEAM_TOUCH_CLICK_MODE*)
-            v=$(xprop_value "$line" unset)
-            [ "$v" = "$tmode" ] && continue
-            tmode=$v
+            prop_value "$line" unset
+            [ "$pv" = "$tmode" ] && continue
+            tmode=$pv
             echo "== touch mode: $tmode (focused app ${app:-?}) at $(date +%T)"
             ;;
           GAMESCOPE_FOCUSED_APP*)
-            v=$(xprop_value "$line" none)
-            [ "$v" = "$app" ] && continue
-            app=$v
-            echo "== focused app: $app (touch mode ${tmode:-unset}) at $(date +%T)"
+            prop_value "$line" none
+            if [ "$pv" != "$app" ]; then
+              app=$pv
+              echo "== focused app: $app (touch mode ${tmode:-unset}) at $(date +%T)"
+            fi
+            [ "$restore" = 1 ] || continue
+            case $pv in ''|*[!0-9]*) prev=; continue ;; esac
+            if [ "$prev" = 769 ] && [ "$pv" != 769 ]; then
+              nap 1
+              bl_xprop_set_all GAMESCOPE_RESTORE_FOCUS_WINDOW 1 \
+                && echo "== resume: asked gamescope to restore the game window (app $pv)"
+            fi
+            prev=$pv
+            ;;
+          GAMESCOPE_NEW_SCALING_SCALER*)
+            prop_value "$line" 0
+            [ "$pv" = 0 ] || continue
+            xprop -root -f GAMESCOPE_NEW_SCALING_SCALER 32c -set GAMESCOPE_NEW_SCALING_SCALER 4 2>/dev/null \
+              && echo "== stretch 16:9 to panel: the client's scaler was Auto, set to Stretch"
             ;;
         esac
-      done
-    ) &
-    (
-      beat=0
-      compat_stamp=$HOME/.bl-compat-beat
-      seed_stamp=$HOME/.bl-seed-beat
-      rm -f "$compat_stamp" "$seed_stamp"
-      changed_since() {
-        local d
-        for d in "${@:2}"; do
-          [ "$d" -nt "$1" ] && return 0
-        done
-        return 1
-      }
-      compat_due() {
-        [ -e "$compat_stamp" ] && [ "$((beat % 60))" -ne 0 ] || return 0
-        changed_since "$compat_stamp" "${libraries[@]}" "$steam_root/steamapps/common" "$steam_root/config" \
-          "$steam_root/compatibilitytools.d"
-      }
-      seed_due() {
-        local reg
-        [ -e "$seed_stamp" ] && [ "$((beat % 60))" -ne 0 ] || return 0
-        changed_since "$seed_stamp" "${libraries[@]}" && return 0
-        for reg in "$steam_root"/steamapps/common/Proton*/files/share/default_pfx*/system.reg \
-                   /mnt/droiddeck-sd/steamapps/common/Proton*/files/share/default_pfx*/system.reg \
-                   /root/Games/*/steamapps/common/Proton*/files/share/default_pfx*/system.reg \
-                   "$steam_root"/compatibilitytools.d/*/files/share/default_pfx*/system.reg \
-                   "$steam_root"/steamapps/compatdata/*/pfx/system.reg \
-                   /mnt/droiddeck-sd/steamapps/compatdata/*/pfx/system.reg \
-                   /root/Games/*/steamapps/compatdata/*/pfx/system.reg; do
-          [ -f "$reg" ] && [ ! -f "${reg%/*}/.droiddeck-redists" ] && return 0
-        done
-        return 1
-      }
-      for ((_i = 0; _i < 720; _i++)); do
-        nap 5
-        beat=$((beat + 1))
-        [ "$((beat % 3))" -eq 0 ] || continue
-        libraries=("$steam_root/steamapps" /mnt/droiddeck/steamapps /mnt/droiddeck-sd/steamapps /root/Games/*/steamapps)
-        seed=; compat=
-        seed_due && seed=1
-        compat_due && compat=1
-        [ -n "$seed$compat" ] || continue
-        pgrep -x wineserver >/dev/null 2>&1 && continue
-        if [ -n "$seed" ]; then
-          : > "$seed_stamp"
-          droiddeck-seed-redists "$steam_root" >/dev/null 2>&1 || true
-        fi
-        if [ -n "$compat" ]; then
-          : > "$compat_stamp"
-          steam-compatibility "$steam_root" >/dev/null 2>&1 || true
-        fi
-      done
+      done < <(xprop -spy -root "${atoms[@]}" 2>/dev/null)
     ) &
     if [ -n "${BL_LAUNCH_DIR:-}" ] && [ -z "${BL_DESKTOP:-}" ]; then
       _bl_held=
@@ -630,11 +558,9 @@ BUSCONF
         sleep 0.1
       done
       if [ -S /run/dbus/system_bus_socket ]; then
-        droiddeck-netmanager &
-        netmanager=$!
         echo "== network: system bus up, NetworkManager stand-in running"
         rm -f "$BL_LAUNCH_DIR/steam-sleep-ready"
-        droiddeck-login1 &
+        droiddeck-login1 --with-netmanager &
         login_manager=$!
         for ((_i = 0; _i < 50; _i++)); do
           [ -f "$BL_LAUNCH_DIR/steam-sleep-ready" ] && break
@@ -739,22 +665,6 @@ BUSCONF
       droiddeck-steam-games watch "$steam_root" "$BL_ADDED_GAMES" &
       games_watcher=$!
     fi
-    if [ "${BL_LOSSLESS_OWNED:-0}" != 1 ]; then
-      (
-        owned=$HOME/.config/droiddeck/lossless-owned
-        for ((_i = 0; _i < 60; _i++)); do
-          nap 30
-          [ -e "$owned" ] && exit 0
-          pgrep -x wineserver >/dev/null 2>&1 && continue
-          answer=$(droiddeck-steam-games probe "$steam_root" 993090 2>/dev/null) || continue
-          case $answer in
-            *'"993090": true'*) mkdir -p "${owned%/*}" && : > "$owned" && echo "== Lossless Scaling: owned" ;;
-            *) echo "== Lossless Scaling: not owned by this account" ;;
-          esac
-          exit 0
-        done
-      ) &
-    fi
     echo "== steam args: ${_bl_ui[*]} ${_bl_cdp[*]} ${_bl_lang[*]} -clientbeta $steam_channel -no-cef-sandbox -cef-ozone-platform=x11 ${_bl_cef[*]} $*"
     steam_updates=0
     rm -f "$HOME/.bl-stop-requested" "$STEAMOS_STEAM_SHUTDOWN_SENTINEL" "$STEAMOS_STEAM_REBOOT_SENTINEL"
@@ -781,10 +691,54 @@ BUSCONF
         return 0
       done
     }
+    requests=
     if [ -n "${BL_LAUNCH_DIR:-}" ] && [ -d "$BL_LAUNCH_DIR" ]; then
       rm -f "$BL_LAUNCH_DIR/steam-stop" "$BL_LAUNCH_DIR/steam-game" "$BL_LAUNCH_DIR/steam-game.tmp"
-      (
-        while :; do
+      requests=1
+    fi
+    (
+      tick=0
+      beat=0
+      library_job=
+      lossless_job=
+      lossless_left=0
+      lossless_owned=$HOME/.config/droiddeck/lossless-owned
+      lossless_asked=$HOME/.bl-lossless-asked
+      rm -f "$lossless_asked"
+      [ "${BL_LOSSLESS_OWNED:-0}" != 1 ] && lossless_left=60
+      declare -A _bl_pinned=()
+      compat_stamp=$HOME/.bl-compat-beat
+      seed_stamp=$HOME/.bl-seed-beat
+      rm -f "$compat_stamp" "$seed_stamp"
+      changed_since() {
+        local d
+        for d in "${@:2}"; do
+          [ "$d" -nt "$1" ] && return 0
+        done
+        return 1
+      }
+      compat_due() {
+        [ -e "$compat_stamp" ] && [ "$((beat % 60))" -ne 0 ] || return 0
+        changed_since "$compat_stamp" "${libraries[@]}" "$steam_root/steamapps/common" "$steam_root/config" \
+          "$steam_root/compatibilitytools.d"
+      }
+      seed_due() {
+        local reg
+        [ -e "$seed_stamp" ] && [ "$((beat % 60))" -ne 0 ] || return 0
+        changed_since "$seed_stamp" "${libraries[@]}" && return 0
+        for reg in "$steam_root"/steamapps/common/Proton*/files/share/default_pfx*/system.reg \
+                   /mnt/droiddeck-sd/steamapps/common/Proton*/files/share/default_pfx*/system.reg \
+                   /root/Games/*/steamapps/common/Proton*/files/share/default_pfx*/system.reg \
+                   "$steam_root"/compatibilitytools.d/*/files/share/default_pfx*/system.reg \
+                   "$steam_root"/steamapps/compatdata/*/pfx/system.reg \
+                   /mnt/droiddeck-sd/steamapps/compatdata/*/pfx/system.reg \
+                   /root/Games/*/steamapps/compatdata/*/pfx/system.reg; do
+          [ -f "$reg" ] && [ ! -f "${reg%/*}/.droiddeck-redists" ] && return 0
+        done
+        return 1
+      }
+      while :; do
+        if [ -n "$requests" ]; then
           if [ -e "$BL_LAUNCH_DIR/steam-stop" ]; then
             rm -f "$BL_LAUNCH_DIR/steam-stop"
             : > "$HOME/.bl-stop-requested"
@@ -813,11 +767,56 @@ BUSCONF
                 ;;
             esac
           fi
-          nap 0.5
-        done
-      ) &
-      stop_watcher=$!
-    fi
+        fi
+        nap 0.5
+        tick=$((tick + 1))
+        [ "$((tick % 10))" -eq 0 ] || continue
+        beat=$((beat + 1))
+        if [ "$beat" -le 720 ] && [ -n "${BL_CLIENT_CPUS:-}" ]; then
+          for _d in /proc/[0-9]*; do
+            IFS= read -r -d '' _c < "$_d/cmdline" 2>/dev/null || continue
+            case $_c in *steamwebhelper*|*steamrtarm64/steam|*gamescope*) ;; *) continue ;; esac
+            _t=("$_d"/task/*)
+            _p=${_d#/proc/}
+            [ "${_bl_pinned[$_p]:-}" = "${#_t[@]}" ] && client_single_core_matches "$BL_CLIENT_CPUS" "${_t[@]}" && continue
+            taskset -a -cp "$BL_CLIENT_CPUS" "$_p" >/dev/null 2>&1 || true
+            _bl_pinned[$_p]=${#_t[@]}
+          done
+        fi
+        if [ "$beat" -le 720 ] && [ "$((beat % 3))" -eq 0 ] && { [ -z "$library_job" ] || ! kill -0 "$library_job" 2>/dev/null; }; then
+          libraries=("$steam_root/steamapps" /mnt/droiddeck/steamapps /mnt/droiddeck-sd/steamapps /root/Games/*/steamapps)
+          seed=; compat=
+          seed_due && seed=1
+          compat_due && compat=1
+          if [ -n "$seed$compat" ] && ! pgrep -x wineserver >/dev/null 2>&1; then
+            [ -n "$seed" ] && : > "$seed_stamp"
+            [ -n "$compat" ] && : > "$compat_stamp"
+            (
+              [ -z "$seed" ] || droiddeck-seed-redists "$steam_root" >/dev/null 2>&1 || true
+              [ -z "$compat" ] || steam-compatibility "$steam_root" >/dev/null 2>&1 || true
+            ) &
+            library_job=$!
+          fi
+        fi
+        if [ "$lossless_left" -gt 0 ] && [ "$((beat % 6))" -eq 0 ] && { [ -z "$lossless_job" ] || ! kill -0 "$lossless_job" 2>/dev/null; }; then
+          lossless_left=$((lossless_left - 1))
+          if [ -e "$lossless_owned" ] || [ -e "$lossless_asked" ]; then
+            lossless_left=0
+          elif ! pgrep -x wineserver >/dev/null 2>&1; then
+            (
+              answer=$(droiddeck-steam-games probe "$steam_root" 993090 2>/dev/null) || exit 0
+              case $answer in
+                *'"993090": true'*) mkdir -p "${lossless_owned%/*}" && : > "$lossless_owned" && echo "== Lossless Scaling: owned" ;;
+                *) echo "== Lossless Scaling: not owned by this account" ;;
+              esac
+              : > "$lossless_asked"
+            ) &
+            lossless_job=$!
+          fi
+        fi
+      done
+    ) &
+    stop_watcher=$!
     while :; do
       rm -f "$HOME/.bl-restart-once"
       if [ -f "$steam_beta" ] && [ "$(cat "$steam_beta" 2>/dev/null)" != "$steam_channel" ]; then
diff --git a/tools/tests/test_login1.py b/tools/tests/test_login1.py
index abfdc70a2..a2fb42121 100644
--- a/tools/tests/test_login1.py
+++ b/tools/tests/test_login1.py
@@ -22,6 +22,8 @@ IFACE = NAME + ".Manager"
 
 @unittest.skipUnless(Gio and os.environ.get("DBUS_SESSION_BUS_ADDRESS"), "requires dbus-run-session and PyGObject")
 class SleepHandshakeTest(unittest.TestCase):
+    ARGS = []
+
     def setUp(self):
         self.directory = tempfile.TemporaryDirectory()
         self.dir = Path(self.directory.name)
@@ -35,7 +37,7 @@ class SleepHandshakeTest(unittest.TestCase):
             lambda bus, sender, path, interface, name, body: self.signals.append(body.unpack()[0]))
         env = dict(os.environ, BL_LAUNCH_DIR=str(self.dir),
                    DBUS_SYSTEM_BUS_ADDRESS=os.environ["DBUS_SESSION_BUS_ADDRESS"])
-        self.process = subprocess.Popen(["/usr/bin/python3", str(SCRIPT)], env=env,
+        self.process = subprocess.Popen(["/usr/bin/python3", str(SCRIPT), *self.ARGS], env=env,
                                         stdout=subprocess.DEVNULL)
         self.wait_for(lambda: (self.dir / "steam-sleep-ready").exists())
 
@@ -218,5 +220,22 @@ class SleepHandshakeTest(unittest.TestCase):
             self.call(IFACE, "PowerOff", GLib.Variant("(b)", (True,)))
 
 
+class WithNetworkManagerTest(SleepHandshakeTest):
+    ARGS = ["--with-netmanager"]
+
+    def owner(self, name):
+        return self.bus.call_sync("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus",
+                                  "GetConnectionUnixProcessID", GLib.Variant("(s)", (name,)), None,
+                                  Gio.DBusCallFlags.NONE, 2000, None).unpack()[0]
+
+    def test_one_process_owns_login1_and_networkmanager(self):
+        self.wait_for(lambda: self.bus.call_sync(
+            "org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", "NameHasOwner",
+            GLib.Variant("(s)", ("org.freedesktop.NetworkManager",)), None,
+            Gio.DBusCallFlags.NONE, 2000, None).unpack()[0])
+        self.assertEqual(self.owner("org.freedesktop.NetworkManager"), self.process.pid)
+        self.assertEqual(self.owner(NAME), self.process.pid)
+
+
 if __name__ == "__main__":
     unittest.main()