diff --git a/Lib/codeop.py b/Lib/codeop.py
index daa7eb8..5616d92 100644
--- a/Lib/codeop.py
+++ b/Lib/codeop.py
@@ -95,15 +95,7 @@
 
     if code:
         return code
-    try:
-        e1 = err1.__dict__
-    except AttributeError:
-        e1 = err1
-    try:
-        e2 = err2.__dict__
-    except AttributeError:
-        e2 = err2
-    if not code1 and e1 == e2:
+    if not code1 and repr(err1) == repr(err2):
         raise SyntaxError, err1
 
 def _compile(source, filename, symbol):
diff --git a/Lib/ctypes/test/test_structures.py b/Lib/ctypes/test/test_structures.py
index b6eaac4..5340f79 100644
--- a/Lib/ctypes/test/test_structures.py
+++ b/Lib/ctypes/test/test_structures.py
@@ -294,20 +294,20 @@
         # In Python 2.5, Exception is a new-style class, and the repr changed
         if issubclass(Exception, object):
             self.failUnlessEqual(msg,
-                                 "(Phone) <class 'exceptions.TypeError'>: "
+                                 "(Phone) <type 'exceptions.TypeError'>: "
                                  "expected string or Unicode object, int found")
         else:
             self.failUnlessEqual(msg,
-                                 "(Phone) exceptions.TypeError: "
+                                 "(Phone) TypeError: "
                                  "expected string or Unicode object, int found")
 
         cls, msg = self.get_except(Person, "Someone", ("a", "b", "c"))
         self.failUnlessEqual(cls, RuntimeError)
         if issubclass(Exception, object):
             self.failUnlessEqual(msg,
-                                 "(Phone) <class 'exceptions.ValueError'>: too many initializers")
+                                 "(Phone) <type 'exceptions.ValueError'>: too many initializers")
         else:
-            self.failUnlessEqual(msg, "(Phone) exceptions.ValueError: too many initializers")
+            self.failUnlessEqual(msg, "(Phone) ValueError: too many initializers")
 
 
     def get_except(self, func, *args):
diff --git a/Lib/test/exception_hierarchy.txt b/Lib/test/exception_hierarchy.txt
index 5fff7d9..58131d7 100644
--- a/Lib/test/exception_hierarchy.txt
+++ b/Lib/test/exception_hierarchy.txt
@@ -15,6 +15,7 @@
       |    |    +-- IOError
       |    |    +-- OSError
       |    |         +-- WindowsError (Windows)
+      |    |         +-- VMSError (VMS)
       |    +-- EOFError
       |    +-- ImportError
       |    +-- LookupError
@@ -43,5 +44,4 @@
            +-- SyntaxWarning
            +-- UserWarning
            +-- FutureWarning
-	   +-- OverflowWarning [not generated by the interpreter]
 	   +-- ImportWarning
diff --git a/Lib/test/output/test_logging b/Lib/test/output/test_logging
index 7be3a3e..c0d6e06 100644
--- a/Lib/test/output/test_logging
+++ b/Lib/test/output/test_logging
@@ -488,12 +488,12 @@
 -- log_test4  begin  ---------------------------------------------------
 config0: ok.
 config1: ok.
-config2: <class 'exceptions.AttributeError'>
-config3: <class 'exceptions.KeyError'>
+config2: <type 'exceptions.AttributeError'>
+config3: <type 'exceptions.KeyError'>
 -- log_test4  end    ---------------------------------------------------
 -- log_test5  begin  ---------------------------------------------------
 ERROR:root:just testing
-<class 'exceptions.KeyError'>... Don't panic!
+<type 'exceptions.KeyError'>... Don't panic!
 -- log_test5  end    ---------------------------------------------------
 -- logrecv output begin  ---------------------------------------------------
 ERR -> CRITICAL: Message 0 (via logrecv.tcp.ERR)
diff --git a/Lib/test/test_codeccallbacks.py b/Lib/test/test_codeccallbacks.py
index c6e56c9..159c86d 100644
--- a/Lib/test/test_codeccallbacks.py
+++ b/Lib/test/test_codeccallbacks.py
@@ -18,30 +18,12 @@
             self.pos = len(exc.object)
         return (u"<?>", oldpos)
 
-# A UnicodeEncodeError object without a start attribute
-class NoStartUnicodeEncodeError(UnicodeEncodeError):
-    def __init__(self):
-        UnicodeEncodeError.__init__(self, "ascii", u"", 0, 1, "bad")
-        del self.start
-
 # A UnicodeEncodeError object with a bad start attribute
 class BadStartUnicodeEncodeError(UnicodeEncodeError):
     def __init__(self):
         UnicodeEncodeError.__init__(self, "ascii", u"", 0, 1, "bad")
         self.start = []
 
-# A UnicodeEncodeError object without an end attribute
-class NoEndUnicodeEncodeError(UnicodeEncodeError):
-    def __init__(self):
-        UnicodeEncodeError.__init__(self, "ascii", u"", 0, 1, "bad")
-        del self.end
-
-# A UnicodeEncodeError object without an object attribute
-class NoObjectUnicodeEncodeError(UnicodeEncodeError):
-    def __init__(self):
-        UnicodeEncodeError.__init__(self, "ascii", u"", 0, 1, "bad")
-        del self.object
-
 # A UnicodeEncodeError object with a bad object attribute
 class BadObjectUnicodeEncodeError(UnicodeEncodeError):
     def __init__(self):
@@ -478,55 +460,15 @@
            UnicodeError("ouch")
         )
         self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoStartUnicodeEncodeError()
-        )
-        self.assertRaises(
-            TypeError,
-            codecs.replace_errors,
-            BadStartUnicodeEncodeError()
-        )
-        self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoEndUnicodeEncodeError()
-        )
-        self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoObjectUnicodeEncodeError()
-        )
-        self.assertRaises(
             TypeError,
             codecs.replace_errors,
             BadObjectUnicodeEncodeError()
         )
         self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoEndUnicodeDecodeError()
-        )
-        self.assertRaises(
             TypeError,
             codecs.replace_errors,
             BadObjectUnicodeDecodeError()
         )
-        self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoStartUnicodeTranslateError()
-        )
-        self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoEndUnicodeTranslateError()
-        )
-        self.assertRaises(
-            AttributeError,
-            codecs.replace_errors,
-            NoObjectUnicodeTranslateError()
-        )
         # With the correct exception, "replace" returns an "?" or u"\ufffd" replacement
         self.assertEquals(
             codecs.replace_errors(UnicodeEncodeError("ascii", u"\u3042", 0, 1, "ouch")),
@@ -565,21 +507,6 @@
             codecs.xmlcharrefreplace_errors,
             UnicodeTranslateError(u"\u3042", 0, 1, "ouch")
         )
-        self.assertRaises(
-            AttributeError,
-            codecs.xmlcharrefreplace_errors,
-            NoStartUnicodeEncodeError()
-        )
-        self.assertRaises(
-            AttributeError,
-            codecs.xmlcharrefreplace_errors,
-            NoEndUnicodeEncodeError()
-        )
-        self.assertRaises(
-            AttributeError,
-            codecs.xmlcharrefreplace_errors,
-            NoObjectUnicodeEncodeError()
-        )
         # Use the correct exception
         cs = (0, 1, 9, 10, 99, 100, 999, 1000, 9999, 10000, 0x3042)
         s = "".join(unichr(c) for c in cs)
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index fdef876..076d84d 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -81,14 +81,6 @@
 except NameError: pass
 
 r(OverflowError)
-# XXX
-# Obscure:  in 2.2 and 2.3, this test relied on changing OverflowWarning
-# into an error, in order to trigger OverflowError.  In 2.4, OverflowWarning
-# should no longer be generated, so the focus of the test shifts to showing
-# that OverflowError *isn't* generated.  OverflowWarning should be gone
-# in Python 2.5, and then the filterwarnings() call, and this comment,
-# should go away.
-warnings.filterwarnings("error", "", OverflowWarning, __name__)
 x = 1
 for dummy in range(128):
     x += x  # this simply shouldn't blow up
@@ -206,3 +198,88 @@
     test_capi2()
 
 unlink(TESTFN)
+
+#  test that exception attributes are happy.
+try: str(u'Hello \u00E1')
+except Exception, e: sampleUnicodeEncodeError = e
+try: unicode('\xff')
+except Exception, e: sampleUnicodeDecodeError = e
+exceptionList = [
+        ( BaseException, (), { 'message' : '', 'args' : () }),
+        ( BaseException, (1, ), { 'message' : 1, 'args' : ( 1, ) }),
+        ( BaseException, ('foo', ), { 'message' : 'foo', 'args' : ( 'foo', ) }),
+        ( BaseException, ('foo', 1), { 'message' : '', 'args' : ( 'foo', 1 ) }),
+        ( SystemExit, ('foo',), { 'message' : 'foo', 'args' : ( 'foo', ),
+                'code' : 'foo' }),
+        ( IOError, ('foo',), { 'message' : 'foo', 'args' : ( 'foo', ), }),
+        ( IOError, ('foo', 'bar'), { 'message' : '',
+                'args' : ('foo', 'bar'), }),
+        ( IOError, ('foo', 'bar', 'baz'),
+                 { 'message' : '', 'args' : ('foo', 'bar'), }),
+        ( EnvironmentError, ('errnoStr', 'strErrorStr', 'filenameStr'),
+                { 'message' : '', 'args' : ('errnoStr', 'strErrorStr'),
+                    'strerror' : 'strErrorStr',
+                    'errno' : 'errnoStr', 'filename' : 'filenameStr' }),
+        ( EnvironmentError, (1, 'strErrorStr', 'filenameStr'),
+                { 'message' : '', 'args' : (1, 'strErrorStr'),
+                    'strerror' : 'strErrorStr', 'errno' : 1,
+                    'filename' : 'filenameStr' }),
+        ( SyntaxError, ('msgStr',),
+                { 'message' : 'msgStr', 'args' : ('msgStr', ),
+                    'print_file_and_line' : None, 'msg' : 'msgStr',
+                    'filename' : None, 'lineno' : None, 'offset' : None,
+                    'text' : None }),
+        ( SyntaxError, ('msgStr', ('filenameStr', 'linenoStr', 'offsetStr',
+                        'textStr')),
+                { 'message' : '', 'args' : ('msgStr', ('filenameStr',
+                        'linenoStr', 'offsetStr', 'textStr' )),
+                    'print_file_and_line' : None, 'msg' : 'msgStr',
+                    'filename' : 'filenameStr', 'lineno' : 'linenoStr',
+                    'offset' : 'offsetStr', 'text' : 'textStr' }),
+        ( SyntaxError, ('msgStr', 'filenameStr', 'linenoStr', 'offsetStr',
+                    'textStr', 'print_file_and_lineStr'),
+                { 'message' : '', 'args' : ('msgStr', 'filenameStr',
+                        'linenoStr', 'offsetStr', 'textStr',
+                        'print_file_and_lineStr'),
+                    'print_file_and_line' : None, 'msg' : 'msgStr',
+                    'filename' : None, 'lineno' : None, 'offset' : None,
+                    'text' : None }),
+        ( UnicodeError, (),
+                { 'message' : '', 'args' : (), }),
+        ( sampleUnicodeEncodeError,
+                { 'message' : '', 'args' : ('ascii', u'Hello \xe1', 6, 7,
+                        'ordinal not in range(128)'),
+                    'encoding' : 'ascii', 'object' : u'Hello \xe1',
+                    'start' : 6, 'reason' : 'ordinal not in range(128)' }),
+        ( sampleUnicodeDecodeError,
+                { 'message' : '', 'args' : ('ascii', '\xff', 0, 1,
+                        'ordinal not in range(128)'),
+                    'encoding' : 'ascii', 'object' : '\xff',
+                    'start' : 0, 'reason' : 'ordinal not in range(128)' }),
+        ( UnicodeTranslateError, (u"\u3042", 0, 1, "ouch"),
+                { 'message' : '', 'args' : (u'\u3042', 0, 1, 'ouch'),
+                    'object' : u'\u3042', 'reason' : 'ouch',
+                    'start' : 0, 'end' : 1 }),
+        ]
+try:
+    exceptionList.append(
+            ( WindowsError, (1, 'strErrorStr', 'filenameStr'),
+                    { 'message' : '', 'args' : (1, 'strErrorStr'),
+                        'strerror' : 'strErrorStr',
+                        'errno' : 22, 'filename' : 'filenameStr',
+                        'winerror' : 1 }))
+except NameError: pass
+
+for args in exceptionList:
+    expected = args[-1]
+    try:
+        if len(args) == 2: raise args[0]
+        else: raise apply(args[0], args[1])
+    except BaseException, e:
+        for checkArgName in expected.keys():
+            if repr(getattr(e, checkArgName)) != repr(expected[checkArgName]):
+                raise TestFailed('Checking exception arguments, exception '
+                        '"%s", attribute "%s" expected %s got %s.' %
+                        ( repr(e), checkArgName,
+                            repr(expected[checkArgName]),
+                            repr(getattr(e, checkArgName)) ))
diff --git a/Lib/warnings.py b/Lib/warnings.py
index bc0b818..b5d75e4 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -261,6 +261,4 @@
 
 # Module initialization
 _processoptions(sys.warnoptions)
-# XXX OverflowWarning should go away for Python 2.5.
-simplefilter("ignore", category=OverflowWarning, append=1)
 simplefilter("ignore", category=PendingDeprecationWarning, append=1)