w

csaxs_bec/devices/epics/mcs_card/mcs_card_csaxs.py

@@ -207,14 +207,20 @@ class MCSCardCSAXS(PSIDeviceBase, MCSCard):
         """
 
         # NOTE: If for some reason, the card is still acquiring, we need to stop it first
+        # This should never happen as the card is properly stopped during unstage
+        # Can only happen if user manually interferes with the IOC through other means
         if self.acquiring.get() == ACQUIRING.ACQUIRING:
+            logger.warning(
+                f"MCS Card {self.name} was still acquiring on staging. Stopping acquisition."
+            )
             self.stop_all.put(1)
             status = CompareStatus(self.acquiring, ACQUIRING.DONE)
             status.wait(timeout=10)
 
         # NOTE: Erase all will result in data emission through mca callback subscriptions
         # The buffer needs to be cleared as this will otherwise lead to missing
-        # triggers during the scan.
+        # triggers during the scan. Again, this should not happen if unstage is properly called.
+        # But user interference or a restart of the device_server may lead to this situation.
         if self.current_channel.get() != 0:
             with suppress_mca_callbacks(self):
                 logger.warning(