diff --git a/gramps2/ChangeLog b/gramps2/ChangeLog
index 8c5a2c38c..f6f696088 100644
--- a/gramps2/ChangeLog
+++ b/gramps2/ChangeLog
@@ -1,4 +1,6 @@
 2005-08-17  Don Allingham  <don@gramps-project.org>
+	* src/GrampsDBCallback.py: look for GRAMPS_SIGNAL environment
+	variable equal to 1 to enable signal debugging
 	* src/ChooseParents.py: disconnect signals on close, do fewer
 	commits
 
diff --git a/gramps2/src/GrampsDBCallback.py b/gramps2/src/GrampsDBCallback.py
index 3c0e40b9f..ea1dc0611 100644
--- a/gramps2/src/GrampsDBCallback.py
+++ b/gramps2/src/GrampsDBCallback.py
@@ -36,6 +36,7 @@
     or the UI code.
 """
 import sys
+import os
 import types
 import traceback
 import inspect
@@ -213,7 +214,11 @@ class GrampsDBCallback(object):
 
     # If this is True logging will be turned on for all instances
     # whether or not instance based logging is enabled.
-    __LOG_ALL = False
+    try:
+        __LOG_ALL = int(os.environ.get('GRAMPS_SIGNAL',"0")) == 1
+        print __LOG_ALL
+    except:
+        __LOG_ALL = False
     
     def __init__(self):
         self.__enable_logging = False # controls whether lots of debug