1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/bdb.py b/Lib/bdb.py
index 9755d61..81bba8a 100644
--- a/Lib/bdb.py
+++ b/Lib/bdb.py
@@ -461,6 +461,14 @@ class Bdb:
             return 'Line %s:%d does not exist' % (filename, lineno)
         self._add_to_breaks(filename, lineno)
         bp = Breakpoint(filename, lineno, temporary, cond, funcname)
+        # After we set a new breakpoint, we need to search through all frames
+        # and set f_trace to trace_dispatch if there could be a breakpoint in
+        # that frame.
+        frame = self.enterframe
+        while frame:
+            if self.break_anywhere(frame):
+                frame.f_trace = self.trace_dispatch
+            frame = frame.f_back
         return None
 
     def _load_breaks(self):