diff --git a/meta/lib/oe/image.py b/meta/lib/oe/image.py
index 2361955..f9e9bfd 100644
--- a/meta/lib/oe/image.py
+++ b/meta/lib/oe/image.py
@@ -172,6 +172,8 @@
 
         if base_size != int(base_size):
             base_size = int(base_size + 1)
+        else:
+            base_size = int(base_size)
 
         base_size += rootfs_alignment - 1
         base_size -= base_size % rootfs_alignment
diff --git a/meta/lib/oeqa/oetest.py b/meta/lib/oeqa/oetest.py
index 0fe68d4..a6f89b6 100644
--- a/meta/lib/oeqa/oetest.py
+++ b/meta/lib/oeqa/oetest.py
@@ -151,6 +151,12 @@
         elif (type(self.target).__name__ == "QemuTarget"):
             self.assertTrue(self.target.check(), msg = "Qemu not running?")
 
+        self.setUpLocal()
+
+    # a setup method before tests but after the class instantiation
+    def setUpLocal(self):
+        pass
+
     def tearDown(self):
         # If a test fails or there is an exception
         if not exc_info() == (None, None, None):
diff --git a/meta/lib/oeqa/selftest/sstatetests.py b/meta/lib/oeqa/selftest/sstatetests.py
index 6906b21..c4efc47 100644
--- a/meta/lib/oeqa/selftest/sstatetests.py
+++ b/meta/lib/oeqa/selftest/sstatetests.py
@@ -3,6 +3,7 @@
 import os
 import re
 import shutil
+import glob
 
 import oeqa.utils.ftools as ftools
 from oeqa.selftest.base import oeSelfTest
@@ -276,6 +277,8 @@
         """
         The sstate checksums off allarch packages should be independent of whichever 
         MACHINE is set. Check this using bitbake -S.
+        Also, rather than duplicate the test, check nativesdk stamps are the same between
+        the two MACHINE values.
         """
 
         topdir = get_bb_var('TOPDIR')
@@ -286,18 +289,20 @@
 MACHINE = \"qemux86\"
 """)
         self.track_for_cleanup(topdir + "/tmp-sstatesamehash")
-        bitbake("world -S none")
+        bitbake("world meta-toolchain -S none")
         self.write_config("""
 TMPDIR = \"${TOPDIR}/tmp-sstatesamehash2\"
 MACHINE = \"qemuarm\"
 """)
         self.track_for_cleanup(topdir + "/tmp-sstatesamehash2")
-        bitbake("world -S none")
+        bitbake("world meta-toolchain -S none")
 
         def get_files(d):
             f = []
             for root, dirs, files in os.walk(d):
                 for name in files:
+                    if "meta-environment" in root or "cross-canadian" in root:
+                        continue
                     if "do_build" not in name:
                         f.append(os.path.join(root, name))
             return f
@@ -306,3 +311,12 @@
         files2 = [x.replace("tmp-sstatesamehash2", "tmp-sstatesamehash") for x in files2]
         self.maxDiff = None
         self.assertItemsEqual(files1, files2)
+
+        nativesdkdir = os.path.basename(glob.glob(topdir + "/tmp-sstatesamehash/stamps/*-nativesdk*-linux")[0])
+
+        files1 = get_files(topdir + "/tmp-sstatesamehash/stamps/" + nativesdkdir)
+        files2 = get_files(topdir + "/tmp-sstatesamehash2/stamps/" + nativesdkdir)
+        files2 = [x.replace("tmp-sstatesamehash2", "tmp-sstatesamehash") for x in files2]
+        self.maxDiff = None
+        self.assertItemsEqual(files1, files2)
+        
diff --git a/meta/lib/oeqa/utils/decorators.py b/meta/lib/oeqa/utils/decorators.py
index 162a88f..b6adcb1 100644
--- a/meta/lib/oeqa/utils/decorators.py
+++ b/meta/lib/oeqa/utils/decorators.py
@@ -220,3 +220,28 @@
     ret = __gettags(obj)
     ret.update(__gettags(tc_method))
     return ret
+
+def timeout_handler(seconds):
+    def decorator(fn):
+        if hasattr(signal, 'alarm'):
+            @wraps(fn)
+            def wrapped_f(self, *args, **kw):
+                current_frame = sys._getframe()
+                def raiseTimeOut(signal, frame):
+                    if frame is not current_frame:
+                        try:
+                            self.target.restart()
+                            raise TimeOut('%s seconds' % seconds)
+                        except:
+                            raise TimeOut('%s seconds' % seconds)
+                prev_handler = signal.signal(signal.SIGALRM, raiseTimeOut)
+                try:
+                    signal.alarm(seconds)
+                    return fn(self, *args, **kw)
+                finally:
+                    signal.alarm(0)
+                    signal.signal(signal.SIGALRM, prev_handler)
+            return wrapped_f
+        else:
+            return fn
+    return decorator