diff --git a/poky/meta/lib/oe/lsb.py b/poky/meta/lib/oe/lsb.py
index 4f2b419..43e4638 100644
--- a/poky/meta/lib/oe/lsb.py
+++ b/poky/meta/lib/oe/lsb.py
@@ -110,12 +110,12 @@
     if adjust_hook:
         distro_id, release = adjust_hook(distro_id, release)
     if not distro_id:
-        return "Unknown"
-    # Filter out any non-alphanumerics
-    distro_id = re.sub(r'\W', '', distro_id)
+        return "unknown"
+    # Filter out any non-alphanumerics and convert to lowercase
+    distro_id = re.sub(r'\W', '', distro_id).lower()
 
     if release:
-        id_str = '{0}-{1}'.format(distro_id.lower(), release)
+        id_str = '{0}-{1}'.format(distro_id, release)
     else:
         id_str = distro_id
     return id_str.replace(' ','-').replace('/','-')
diff --git a/poky/meta/lib/oe/sdk.py b/poky/meta/lib/oe/sdk.py
index b4fbdb7..d02a274 100644
--- a/poky/meta/lib/oe/sdk.py
+++ b/poky/meta/lib/oe/sdk.py
@@ -88,10 +88,6 @@
             bb.warn("cannot remove SDK dir: %s" % path)
 
     def install_locales(self, pm):
-        # This is only relevant for glibc
-        if self.d.getVar("TCLIBC") != "glibc":
-            return
-
         linguas = self.d.getVar("SDKIMAGE_LINGUAS")
         if linguas:
             import fnmatch
diff --git a/poky/meta/lib/oe/sstatesig.py b/poky/meta/lib/oe/sstatesig.py
index 50d80bf..c566ce5 100644
--- a/poky/meta/lib/oe/sstatesig.py
+++ b/poky/meta/lib/oe/sstatesig.py
@@ -90,8 +90,7 @@
     def rundep_check(self, fn, recipename, task, dep, depname, dataCache = None):
         return sstate_rundepfilter(self, fn, recipename, task, dep, depname, dataCache)
 
-class SignatureGeneratorOEBasicHash(bb.siggen.SignatureGeneratorBasicHash):
-    name = "OEBasicHash"
+class SignatureGeneratorOEBasicHashMixIn(object):
     def init_rundepcheck(self, data):
         self.abisaferecipes = (data.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE") or "").split()
         self.saferecipedeps = (data.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS") or "").split()
@@ -129,12 +128,11 @@
         return sstate_rundepfilter(self, fn, recipename, task, dep, depname, dataCache)
 
     def get_taskdata(self):
-        data = super(bb.siggen.SignatureGeneratorBasicHash, self).get_taskdata()
-        return (data, self.lockedpnmap, self.lockedhashfn)
+        return (self.lockedpnmap, self.lockedhashfn, self.lockedhashes) + super().get_taskdata()
 
     def set_taskdata(self, data):
-        coredata, self.lockedpnmap, self.lockedhashfn = data
-        super(bb.siggen.SignatureGeneratorBasicHash, self).set_taskdata(coredata)
+        self.lockedpnmap, self.lockedhashfn, self.lockedhashes = data[:3]
+        super().set_taskdata(data[3:])
 
     def dump_sigs(self, dataCache, options):
         sigfile = os.getcwd() + "/locked-sigs.inc"
@@ -171,10 +169,11 @@
                 h_locked = self.lockedsigs[recipename][task][0]
                 var = self.lockedsigs[recipename][task][1]
                 self.lockedhashes[tid] = h_locked
+                unihash = super().get_unihash(tid)
                 self.taskhash[tid] = h_locked
                 #bb.warn("Using %s %s %s" % (recipename, task, h))
 
-                if h != h_locked:
+                if h != h_locked and h_locked != unihash:
                     self.mismatch_msgs.append('The %s:%s sig is computed to be %s, but the sig is locked to %s in %s'
                                           % (recipename, task, h, h_locked, var))
 
@@ -182,6 +181,11 @@
         #bb.warn("%s %s %s" % (recipename, task, h))
         return h
 
+    def get_unihash(self, tid):
+        if tid in self.lockedhashes:
+            return self.lockedhashes[tid]
+        return super().get_unihash(tid)
+
     def dump_sigtask(self, fn, task, stampbase, runtime):
         tid = fn + ":" + task
         if tid in self.lockedhashes:
@@ -211,7 +215,7 @@
                     (_, _, task, fn) = bb.runqueue.split_tid_mcfn(tid)
                     if tid not in self.taskhash:
                         continue
-                    f.write("    " + self.lockedpnmap[fn] + ":" + task + ":" + self.taskhash[tid] + " \\\n")
+                    f.write("    " + self.lockedpnmap[fn] + ":" + task + ":" + self.get_unihash(tid) + " \\\n")
                 f.write('    "\n')
             f.write('SIGGEN_LOCKEDSIGS_TYPES_%s = "%s"' % (self.machine, " ".join(l)))
 
@@ -257,7 +261,10 @@
         if error_msgs:
             bb.fatal("\n".join(error_msgs))
 
-class SignatureGeneratorOEEquivHash(bb.siggen.SignatureGeneratorUniHashMixIn, SignatureGeneratorOEBasicHash):
+class SignatureGeneratorOEBasicHash(SignatureGeneratorOEBasicHashMixIn, bb.siggen.SignatureGeneratorBasicHash):
+    name = "OEBasicHash"
+
+class SignatureGeneratorOEEquivHash(SignatureGeneratorOEBasicHashMixIn, bb.siggen.SignatureGeneratorUniHashMixIn, bb.siggen.SignatureGeneratorBasicHash):
     name = "OEEquivHash"
 
     def init_rundepcheck(self, data):
diff --git a/poky/meta/lib/oeqa/core/case.py b/poky/meta/lib/oeqa/core/case.py
index 180635a..aae451f 100644
--- a/poky/meta/lib/oeqa/core/case.py
+++ b/poky/meta/lib/oeqa/core/case.py
@@ -59,7 +59,7 @@
     """
     @staticmethod
     def _compress_log(log):
-        logdata = log.encode("utf-8")
+        logdata = log.encode("utf-8") if isinstance(log, str) else log
         logdata = zlib.compress(logdata)
         logdata = base64.b64encode(logdata).decode("utf-8")
         return {"compressed" : logdata}
@@ -80,7 +80,7 @@
         if log is not None:
             sections[section]["log"] = self._compress_log(log)
         elif logfile is not None:
-            with open(logfile, "r") as f:
+            with open(logfile, "rb") as f:
                 sections[section]["log"] = self._compress_log(f.read())
 
         if duration is not None:
diff --git a/poky/meta/lib/oeqa/core/utils/concurrencytest.py b/poky/meta/lib/oeqa/core/utils/concurrencytest.py
index 6293cf9..0f7b3dc 100644
--- a/poky/meta/lib/oeqa/core/utils/concurrencytest.py
+++ b/poky/meta/lib/oeqa/core/utils/concurrencytest.py
@@ -78,29 +78,29 @@
     def __init__(self, target):
         self.result = target
 
-    def _addResult(self, method, test, *args, **kwargs):
+    def _addResult(self, method, test, *args, exception = False, **kwargs):
         return method(test, *args, **kwargs)
 
-    def addError(self, test, *args, **kwargs):
-        self._addResult(self.result.addError, test, *args, **kwargs)
+    def addError(self, test, err = None, **kwargs):
+        self._addResult(self.result.addError, test, err, exception = True, **kwargs)
 
-    def addFailure(self, test, *args, **kwargs):
-        self._addResult(self.result.addFailure, test, *args, **kwargs)
+    def addFailure(self, test, err = None, **kwargs):
+        self._addResult(self.result.addFailure, test, err, exception = True, **kwargs)
 
-    def addSuccess(self, test, *args, **kwargs):
-        self._addResult(self.result.addSuccess, test, *args, **kwargs)
+    def addSuccess(self, test, **kwargs):
+        self._addResult(self.result.addSuccess, test, **kwargs)
 
-    def addExpectedFailure(self, test, *args, **kwargs):
-        self._addResult(self.result.addExpectedFailure, test, *args, **kwargs)
+    def addExpectedFailure(self, test, err = None, **kwargs):
+        self._addResult(self.result.addExpectedFailure, test, err, exception = True, **kwargs)
 
-    def addUnexpectedSuccess(self, test, *args, **kwargs):
-        self._addResult(self.result.addUnexpectedSuccess, test, *args, **kwargs)
+    def addUnexpectedSuccess(self, test, **kwargs):
+        self._addResult(self.result.addUnexpectedSuccess, test, **kwargs)
 
     def __getattr__(self, attr):
         return getattr(self.result, attr)
 
 class ExtraResultsDecoderTestResult(ProxyTestResult):
-    def _addResult(self, method, test, *args, **kwargs):
+    def _addResult(self, method, test, *args, exception = False, **kwargs):
         if "details" in kwargs and "extraresults" in kwargs["details"]:
             if isinstance(kwargs["details"]["extraresults"], Content):
                 kwargs = kwargs.copy()
@@ -114,7 +114,7 @@
         return method(test, *args, **kwargs)
 
 class ExtraResultsEncoderTestResult(ProxyTestResult):
-    def _addResult(self, method, test, *args, **kwargs):
+    def _addResult(self, method, test, *args, exception = False, **kwargs):
         if hasattr(test, "extraresults"):
             extras = lambda : [json.dumps(test.extraresults).encode()]
             kwargs = kwargs.copy()
@@ -123,6 +123,11 @@
             else:
                 kwargs["details"] = kwargs["details"].copy()
             kwargs["details"]["extraresults"] = Content(ContentType("application", "json", {'charset': 'utf8'}), extras)
+        # if using details, need to encode any exceptions into the details obj,
+        # testtools does not handle "err" and "details" together.
+        if "details" in kwargs and exception and (len(args) >= 1 and args[0] is not None):
+            kwargs["details"]["traceback"] = testtools.content.TracebackContent(args[0], test)
+            args = []
         return method(test, *args, **kwargs)
 
 #
diff --git a/poky/meta/lib/oeqa/selftest/case.py b/poky/meta/lib/oeqa/selftest/case.py
index d207a0a..ac3308d 100644
--- a/poky/meta/lib/oeqa/selftest/case.py
+++ b/poky/meta/lib/oeqa/selftest/case.py
@@ -193,13 +193,20 @@
         self.logger.debug("Adding path '%s' to be cleaned up when test is over" % path)
         self._track_for_cleanup.append(path)
 
-    def write_config(self, data):
-        """Write to <builddir>/conf/selftest.inc"""
+    def write_config(self, data, multiconfig=None):
+        """Write to config file"""
+        if multiconfig:
+            multiconfigdir = "%s/conf/multiconfig" % self.builddir
+            os.makedirs(multiconfigdir, exist_ok=True)
+            dest_path = '%s/%s.conf' % (multiconfigdir, multiconfig)
+            self.track_for_cleanup(dest_path)
+        else:
+            dest_path = self.testinc_path
 
-        self.logger.debug("Writing to: %s\n%s\n" % (self.testinc_path, data))
-        ftools.write_file(self.testinc_path, data)
+        self.logger.debug("Writing to: %s\n%s\n" % (dest_path, data))
+        ftools.write_file(dest_path, data)
 
-        if self.tc.custommachine and 'MACHINE' in data:
+        if not multiconfig and self.tc.custommachine and 'MACHINE' in data:
             machine = get_bb_var('MACHINE')
             self.logger.warning('MACHINE overridden: %s' % machine)
 
diff --git a/poky/meta/lib/oeqa/selftest/cases/bbtests.py b/poky/meta/lib/oeqa/selftest/cases/bbtests.py
index 8e59baf..9461c7e 100644
--- a/poky/meta/lib/oeqa/selftest/cases/bbtests.py
+++ b/poky/meta/lib/oeqa/selftest/cases/bbtests.py
@@ -118,11 +118,12 @@
             self.assertIn(task, result.output, msg="Couldn't find %s task.")
 
     def test_bitbake_g(self):
-        result = bitbake('-g core-image-minimal')
+        recipe = 'base-files'
+        result = bitbake('-g %s' % recipe)
         for f in ['pn-buildlist', 'task-depends.dot']:
             self.addCleanup(os.remove, f)
         self.assertTrue('Task dependencies saved to \'task-depends.dot\'' in result.output, msg = "No task dependency \"task-depends.dot\" file was generated for the given task target. bitbake output: %s" % result.output)
-        self.assertTrue('busybox' in ftools.read_file(os.path.join(self.builddir, 'task-depends.dot')), msg = "No \"busybox\" dependency found in task-depends.dot file.")
+        self.assertTrue(recipe in ftools.read_file(os.path.join(self.builddir, 'task-depends.dot')), msg = "No \"%s\" dependency found in task-depends.dot file." % recipe)
 
     def test_image_manifest(self):
         bitbake('core-image-minimal')
diff --git a/poky/meta/lib/oeqa/selftest/cases/devtool.py b/poky/meta/lib/oeqa/selftest/cases/devtool.py
index 6fe145c..3a25da2 100644
--- a/poky/meta/lib/oeqa/selftest/cases/devtool.py
+++ b/poky/meta/lib/oeqa/selftest/cases/devtool.py
@@ -518,8 +518,8 @@
         tempdir = tempfile.mkdtemp(prefix='devtoolqa')
         self.track_for_cleanup(tempdir)
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean mdadm')
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         result = runCmd('devtool modify mdadm -x %s' % tempdir)
         self.assertExists(os.path.join(tempdir, 'Makefile'), 'Extracted source could not be found')
         self.assertExists(os.path.join(self.workspacedir, 'conf', 'layer.conf'), 'Workspace directory not created')
@@ -587,8 +587,8 @@
         self.track_for_cleanup(tempdir_m4)
         self.track_for_cleanup(builddir_m4)
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean mdadm m4')
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.write_recipeinc('m4', 'EXTERNALSRC_BUILD = "%s"\ndo_clean() {\n\t:\n}\n' % builddir_m4)
         try:
             runCmd('devtool modify mdadm -x %s' % tempdir_mdadm)
@@ -604,6 +604,7 @@
             bitbake('mdadm m4 -c buildclean')
             assertNoFile(tempdir_mdadm, 'mdadm')
             assertNoFile(builddir_m4, 'src/m4')
+            runCmd('echo "#Trigger rebuild" >> %s/Makefile' % tempdir_mdadm)
             bitbake('mdadm m4 -c compile')
             assertFile(tempdir_mdadm, 'mdadm')
             assertFile(builddir_m4, 'src/m4')
@@ -683,8 +684,8 @@
         tempdir = tempfile.mkdtemp(prefix='devtoolqa')
         self.track_for_cleanup(tempdir)
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean %s' % testrecipe)
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         result = runCmd('devtool modify %s -x %s' % (testrecipe, tempdir))
         self.assertExists(os.path.join(tempdir, 'Makefile.am'), 'Extracted source could not be found')
         self.assertExists(os.path.join(self.workspacedir, 'conf', 'layer.conf'), 'Workspace directory not created. devtool output: %s' % result.output)
@@ -715,8 +716,8 @@
         tempdir = tempfile.mkdtemp(prefix='devtoolqa')
         self.track_for_cleanup(tempdir)
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean %s' % testrecipe)
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         result = runCmd('devtool modify %s -x %s' % (testrecipe, tempdir))
         self.assertExists(os.path.join(tempdir, 'configure.ac'), 'Extracted source could not be found')
         self.assertExists(os.path.join(self.workspacedir, 'conf', 'layer.conf'), 'Workspace directory not created')
@@ -1246,8 +1247,8 @@
         tempdir = tempfile.mkdtemp(prefix='devtoolqa')
         self.track_for_cleanup(tempdir)
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean %s' % testrecipe)
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         result = runCmd('devtool modify %s -x %s' % (testrecipe, tempdir))
         # Test that deploy-target at this point fails (properly)
         result = runCmd('devtool deploy-target -n %s root@localhost' % testrecipe, ignore_status=True)
@@ -1297,8 +1298,8 @@
         self.assertTrue(not os.path.exists(self.workspacedir), 'This test cannot be run with a workspace directory under the build directory')
         image = 'core-image-minimal'
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean %s' % image)
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         bitbake('%s -c clean' % image)
         # Add target and native recipes to workspace
         recipes = ['mdadm', 'parted-native']
@@ -1707,8 +1708,8 @@
         self.track_for_cleanup(tempdir)
         self.track_for_cleanup(tempdir_cfg)
         self.track_for_cleanup(self.workspacedir)
-        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         self.add_command_to_tearDown('bitbake -c clean %s' % kernel_provider)
+        self.add_command_to_tearDown('bitbake-layers remove-layer */workspace')
         #Step 1
         #Here is just generated the config file instead of all the kernel to optimize the
         #time of executing this test case.
diff --git a/poky/meta/lib/oeqa/selftest/cases/multiconfig.py b/poky/meta/lib/oeqa/selftest/cases/multiconfig.py
index d21bf0a..39b92f2 100644
--- a/poky/meta/lib/oeqa/selftest/cases/multiconfig.py
+++ b/poky/meta/lib/oeqa/selftest/cases/multiconfig.py
@@ -3,16 +3,16 @@
 #
 
 import os
+import textwrap
 from oeqa.selftest.case import OESelftestTestCase
 from oeqa.utils.commands import bitbake
-import oeqa.utils.ftools as ftools
 
 class MultiConfig(OESelftestTestCase):
 
     def test_multiconfig(self):
         """
-        Test that a simple multiconfig build works. This uses the mcextend class and the 
-        multiconfig-image-packager test recipe to build a core-image-full-cmdline image which 
+        Test that a simple multiconfig build works. This uses the mcextend class and the
+        multiconfig-image-packager test recipe to build a core-image-full-cmdline image which
         contains a tiny core-image-minimal and a musl core-image-minimal, installed as packages.
         """
 
@@ -28,20 +28,45 @@
 TCLIBC = "musl"
 TMPDIR = "${TOPDIR}/tmp-mc-musl"
 """
+        self.write_config(muslconfig, 'musl')
 
         tinyconfig = """
 MACHINE = "qemux86"
 DISTRO = "poky-tiny"
 TMPDIR = "${TOPDIR}/tmp-mc-tiny"
 """
-
-        multiconfigdir = self.builddir + "/conf/multiconfig"
-        os.makedirs(multiconfigdir, exist_ok=True)
-        self.track_for_cleanup(multiconfigdir + "/musl.conf")
-        ftools.write_file(multiconfigdir + "/musl.conf", muslconfig)
-        self.track_for_cleanup(multiconfigdir + "/tiny.conf")
-        ftools.write_file(multiconfigdir + "/tiny.conf", tinyconfig)
+        self.write_config(tinyconfig, 'tiny')
 
         # Build a core-image-minimal
         bitbake('core-image-full-cmdline')
 
+    def test_multiconfig_reparse(self):
+        """
+        Test that changes to a multiconfig conf file are correctly detected and
+        cause a reparse/rebuild of a recipe.
+        """
+        config = textwrap.dedent('''\
+                MCTESTVAR = "test"
+                BBMULTICONFIG = "test"
+                ''')
+        self.write_config(config)
+
+        testconfig = textwrap.dedent('''\
+                MCTESTVAR_append = "1"
+                ''')
+        self.write_config(testconfig, 'test')
+
+        # Check that the 1) the task executed and 2) that it output the correct
+        # value. Note "bitbake -e" is not used because it always reparses the
+        # recipe and we want to ensure that the automatic reparsing and parse
+        # caching is detected.
+        result = bitbake('mc:test:multiconfig-test-parse -c showvar')
+        self.assertIn('MCTESTVAR=test1', result.output.splitlines())
+
+        testconfig = textwrap.dedent('''\
+                MCTESTVAR_append = "2"
+                ''')
+        self.write_config(testconfig, 'test')
+
+        result = bitbake('mc:test:multiconfig-test-parse -c showvar')
+        self.assertIn('MCTESTVAR=test2', result.output.splitlines())
diff --git a/poky/meta/lib/oeqa/selftest/cases/reproducible.py b/poky/meta/lib/oeqa/selftest/cases/reproducible.py
index eee09d3..c235c13 100644
--- a/poky/meta/lib/oeqa/selftest/cases/reproducible.py
+++ b/poky/meta/lib/oeqa/selftest/cases/reproducible.py
@@ -72,7 +72,7 @@
     return result
 
 class ReproducibleTests(OESelftestTestCase):
-    package_classes = ['deb']
+    package_classes = ['deb', 'ipk']
     images = ['core-image-minimal']
 
     def setUpLocal(self):
diff --git a/poky/meta/lib/oeqa/selftest/cases/signing.py b/poky/meta/lib/oeqa/selftest/cases/signing.py
index b390f37..5c4e01b 100644
--- a/poky/meta/lib/oeqa/selftest/cases/signing.py
+++ b/poky/meta/lib/oeqa/selftest/cases/signing.py
@@ -180,6 +180,8 @@
         AutomatedBy: Daniel Istrate <daniel.alexandrux.istrate@intel.com>
         """
 
+        import uuid
+
         test_recipe = 'ed'
         locked_sigs_file = 'locked-sigs.inc'
 
@@ -197,9 +199,10 @@
         bitbake(test_recipe)
 
         # Make a change that should cause the locked task signature to change
+        # Use uuid so hash equivalance server isn't triggered
         recipe_append_file = test_recipe + '_' + get_bb_var('PV', test_recipe) + '.bbappend'
         recipe_append_path = os.path.join(self.testlayer_path, 'recipes-test', test_recipe, recipe_append_file)
-        feature = 'SUMMARY += "test locked signature"\n'
+        feature = 'SUMMARY_${PN} = "test locked signature%s"\n' % uuid.uuid4()
 
         os.mkdir(os.path.join(self.testlayer_path, 'recipes-test', test_recipe))
         write_file(recipe_append_path, feature)
@@ -210,7 +213,7 @@
         ret = bitbake(test_recipe)
 
         # Verify you get the warning and that the real task *isn't* run (i.e. the locked signature has worked)
-        patt = r'WARNING: The %s:do_package sig is computed to be \S+, but the sig is locked to \S+ in SIGGEN_LOCKEDSIGS\S+' % test_recipe
+        patt = r'The %s:do_package sig is computed to be \S+, but the sig is locked to \S+ in SIGGEN_LOCKEDSIGS\S+' % test_recipe
         found_warn = re.search(patt, ret.output)
 
         self.assertIsNotNone(found_warn, "Didn't find the expected warning message. Output: %s" % ret.output)