Windows 11

agent.py

@@ -112,7 +112,7 @@ class SerialLineReceiver(SerialLineReceiverBase):
         self.transport.dataBuffer = b""
         self.transport._tempDataBuffer = [] # will be added to dataBuffer in doWrite
         self.transport._tempDataLen = 0
-        self.transport.write('\r\n')
+        self.transport.write(b'\r\n')
         if self.running:
             self.send_command(
                 command='agent_started',

context.py

@@ -3,6 +3,7 @@
 """
 import logging
 import platform
+import re
 
 logger = logging.getLogger()
 
@@ -12,10 +13,10 @@ def _get_virtio_device():
     from infi.devicemanager import DeviceManager
     dm = DeviceManager()
     dm.root.rescan()
-    # Search Virtio-Serial by name TODO: search by class_guid
+    # Search Virtio-Serial by service 
     for i in dm.all_devices:
         if i.has_property("description"):
-            if "virtio-serial".upper() in i.description.upper():
+            if re.search("virtio.*serial", i.description, re.IGNORECASE): 
                 path = ("\\\\?\\" +
                         i.children[0].instance_id.lower().replace('\\', '#') +
                         "#" + GUID.lower()