diff --git a/poky/scripts/bitbake-whatchanged b/poky/scripts/bitbake-whatchanged
index 3095daf..6f4b268 100755
--- a/poky/scripts/bitbake-whatchanged
+++ b/poky/scripts/bitbake-whatchanged
@@ -217,7 +217,7 @@
     # Edit the recipes
     $ bitbake-whatchanged core-image-sato
 
-The changes will be printed"
+The changes will be printed.
 
 Note:
     The amount of tasks is not accurate when the task is "do_build" since
diff --git a/poky/scripts/contrib/documentation-audit.sh b/poky/scripts/contrib/documentation-audit.sh
index 1191f57..f436f9b 100755
--- a/poky/scripts/contrib/documentation-audit.sh
+++ b/poky/scripts/contrib/documentation-audit.sh
@@ -27,7 +27,7 @@
 
 echo "REMINDER: you need to build for MACHINE=qemux86 or you won't get useful results"
 echo "REMINDER: you need to set LICENSE_FLAGS_WHITELIST appropriately in local.conf or "
-echo " you'll get false positives.  For example, LICENSE_FLAGS_WHITELIST = \"Commercial\""
+echo " you'll get false positives.  For example, LICENSE_FLAGS_WHITELIST = \"commercial\""
 
 for pkg in `bitbake -s | awk '{ print \$1 }'`; do
 	if [[ "$pkg" == "Loading" || "$pkg" == "Loaded" ||
diff --git a/poky/scripts/contrib/list-packageconfig-flags.py b/poky/scripts/contrib/list-packageconfig-flags.py
index d6de4dc..bb288e9 100755
--- a/poky/scripts/contrib/list-packageconfig-flags.py
+++ b/poky/scripts/contrib/list-packageconfig-flags.py
@@ -33,7 +33,7 @@
 def get_fnlist(bbhandler, pkg_pn, preferred):
     ''' Get all recipe file names '''
     if preferred:
-        (latest_versions, preferred_versions) = bb.providers.findProviders(bbhandler.config_data, bbhandler.cooker.recipecaches[''], pkg_pn)
+        (latest_versions, preferred_versions, required_versions) = bb.providers.findProviders(bbhandler.config_data, bbhandler.cooker.recipecaches[''], pkg_pn)
 
     fn_list = []
     for pn in sorted(pkg_pn):
diff --git a/poky/scripts/lib/devtool/standard.py b/poky/scripts/lib/devtool/standard.py
index 7b62b7e..f364a45 100644
--- a/poky/scripts/lib/devtool/standard.py
+++ b/poky/scripts/lib/devtool/standard.py
@@ -953,12 +953,17 @@
 
             if bb.data.inherits_class('kernel', rd):
                 f.write('SRCTREECOVEREDTASKS = "do_validate_branches do_kernel_checkout '
-                        'do_fetch do_unpack do_kernel_configme do_kernel_configcheck"\n')
+                        'do_fetch do_unpack do_kernel_configcheck"\n')
                 f.write('\ndo_patch[noexec] = "1"\n')
                 f.write('\ndo_configure_append() {\n'
                         '    cp ${B}/.config ${S}/.config.baseline\n'
                         '    ln -sfT ${B}/.config ${S}/.config.new\n'
                         '}\n')
+                f.write('\ndo_kernel_configme_prepend() {\n'
+                        '    if [ -e ${S}/.config ]; then\n'
+                        '        mv ${S}/.config ${S}/.config.old\n'
+                        '    fi\n'
+                        '}\n')
             if rd.getVarFlag('do_menuconfig','task'):
                 f.write('\ndo_configure_append() {\n'
                 '    if [ ! ${DEVTOOL_DISABLE_MENUCONFIG} ]; then\n'
diff --git a/poky/scripts/oe-time-dd-test.sh b/poky/scripts/oe-time-dd-test.sh
new file mode 100644
index 0000000..970a86d
--- /dev/null
+++ b/poky/scripts/oe-time-dd-test.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#
+# oe-time-dd-test records how much time it takes to 
+# write <count> number of kilobytes to the filesystem.
+# It also records the number of processes that are in
+# running (R), uninterruptible sleep (D) and interruptible
+# sleep (S) state from the output of "top" command.
+# The purporse of this script is to find which part of
+# the build system puts stress on the filesystem io and
+# log all the processes.
+
+usage() {
+        echo "Usage: $0 <count>"
+}
+
+if [ $# -ne 1 ]; then
+        usage
+        exit 1
+fi
+
+uptime
+/usr/bin/time -f "%e" dd if=/dev/zero of=foo bs=1024 count=$1 conv=fsync
+top -b -n 1 | grep -v "0      0      0" | grep -E ' [RSD] ' | cut -c 46-47 | sort | uniq -c
diff --git a/poky/scripts/runqemu b/poky/scripts/runqemu
index 532f2e3..df4ee21 100755
--- a/poky/scripts/runqemu
+++ b/poky/scripts/runqemu
@@ -139,6 +139,7 @@
                         'OE_TMPDIR',
                         'OECORE_NATIVE_SYSROOT',
                         'MULTICONFIG',
+                        'SERIAL_CONSOLES',
                         )
 
         self.qemu_opt = ''
@@ -173,6 +174,13 @@
         self.nfs_running = False
         self.serialconsole = False
         self.serialstdio = False
+        self.nographic = False
+        self.sdl = False
+        self.gtk = False
+        self.gl = False
+        self.gl_es = False
+        self.egl_headless = False
+        self.novga = False
         self.cleantap = False
         self.saved_stty = ''
         self.audio_enabled = False
@@ -459,44 +467,22 @@
             if arg in self.fstypes + self.vmtypes + self.wictypes:
                 self.check_arg_fstype(arg)
             elif arg == 'nographic':
-                if ('sdl' in sys.argv):
-                    raise RunQemuError('Option nographic makes no sense alongside the sdl option.' % (arg))
-                if ('gtk' in sys.argv):
-                    raise RunQemuError('Option nographic makes no sense alongside the gtk option.' % (arg))
-                self.qemu_opt_script += ' -nographic'
-                self.kernel_cmdline_script += ' console=ttyS0'
+                self.nographic = True
             elif arg == 'sdl':
-                if 'gl' in sys.argv[1:]:
-                    self.set_dri_path()
-                    self.qemu_opt_script += ' -vga virtio -display sdl,gl=on,show-cursor=on'
-                elif 'gl-es' in sys.argv[1:]:
-                    self.set_dri_path()
-                    self.qemu_opt_script += ' -vga virtio -display sdl,gl=es,show-cursor=on'
-                else:
-                    self.qemu_opt_script += ' -display sdl,show-cursor=on'
+                self.sdl = True
             elif arg == 'gtk':
-                if 'gl' in sys.argv[1:]:
-                    self.set_dri_path()
-                    self.qemu_opt_script += ' -vga virtio -display gtk,gl=on,show-cursor=on'
-                elif 'gl-es' in sys.argv[1:]:
-                    self.set_dri_path()
-                    self.qemu_opt_script += ' -vga virtio -display gtk,gl=es,show-cursor=on'
-                else:
-                    self.qemu_opt_script += ' -display gtk,show-cursor=on'
-            elif arg == 'gl' or arg == 'gl-es':
-                # These args are handled inside sdl or gtk blocks above
-                if ('gtk' not in sys.argv) and ('sdl' not in sys.argv):
-                    raise RunQemuError('Option %s also needs gtk or sdl option.' % (arg))
+                self.gtk = True
+            elif arg == 'gl':
+                self.gl = True
+            elif 'gl-es' in sys.argv[1:]:
+                self.gl_es = True
             elif arg == 'egl-headless':
-                self.set_dri_path()
-                self.qemu_opt_script += ' -vga virtio -display egl-headless,show-cursor=on'
+                self.egl_headless = True
             elif arg == 'novga':
-                self.qemu_opt_script += ' -vga none'
+                self.novga = True
             elif arg == 'serial':
-                self.kernel_cmdline_script += ' console=ttyS0'
                 self.serialconsole = True
             elif arg == "serialstdio":
-                self.kernel_cmdline_script += ' console=ttyS0'
                 self.serialstdio = True
             elif arg == 'audio':
                 logger.info("Enabling audio in qemu")
@@ -1321,6 +1307,66 @@
             raise RunQemuError("Failed to boot, QB_SYSTEM_NAME is NULL!")
         self.qemu_system = qemu_system
 
+    def setup_vga(self):
+        if self.nographic == True:
+            if self.sdl == True:
+                raise RunQemuError('Option nographic makes no sense alongside the sdl option.')
+            if self.gtk == True:
+                raise RunQemuError('Option nographic makes no sense alongside the gtk option.')
+            self.qemu_opt += ' -nographic'
+            return
+
+        if self.novga == True:
+            self.qemu_opt += ' -vga none'
+            return
+
+        if (self.gl_es == True or self.gl == True) and (self.sdl == False and self.gtk == False):
+            raise RunQemuError('Option gl/gl-es needs gtk or sdl option.')
+
+        if self.sdl == True or self.gtk == True or self.egl_headless == True:
+            self.set_dri_path()
+            self.qemu_opt += ' -vga virtio -display '
+            if self.egl_headless == True:
+                self.qemu_opt += 'egl-headless,'
+            else:
+                if self.sdl == True:
+                    self.qemu_opt += 'sdl,'
+                elif self.gtk == True:
+                    self.qemu_opt += 'gtk,'
+
+                if self.gl == True:
+                    self.qemu_opt += 'gl=on,'
+                elif self.gl_es == True:
+                    self.qemu_opt += 'gl=es,'
+            self.qemu_opt += 'show-cursor=on'
+
+        self.qemu_opt += ' %s' %self.get('QB_GRAPHICS')
+
+    def setup_serial(self):
+        # Setup correct kernel command line for serial
+        if self.serialstdio == True or self.serialconsole == True or self.nographic == True or self.tcpserial_portnum:
+            for entry in self.get('SERIAL_CONSOLES').split(' '):
+                self.kernel_cmdline_script += ' console=%s' %entry.split(';')[1]
+
+        if self.serialstdio == True or self.nographic == True:
+            self.qemu_opt += " -serial mon:stdio"
+        else:
+            self.qemu_opt += " -serial mon:vc"
+            if self.serialconsole:
+                if sys.stdin.isatty():
+                    subprocess.check_call(("stty", "intr", "^]"))
+                    logger.info("Interrupt character is '^]'")
+
+                self.qemu_opt += " %s" % self.get("QB_SERIAL_OPT")
+
+        # We always wants ttyS0 and ttyS1 in qemu machines (see SERIAL_CONSOLES).
+        # If no serial or serialtcp options were specified, only ttyS0 is created
+        # and sysvinit shows an error trying to enable ttyS1:
+        #     INIT: Id "S1" respawning too fast: disabled for 5 minutes
+        serial_num = len(re.findall("-serial", self.qemu_opt))
+        if serial_num < 2:
+            self.qemu_opt += " -serial null"
+
     def setup_final(self):
         qemu_bin = os.path.join(self.bindir_native, self.qemu_system)
 
@@ -1345,6 +1391,8 @@
 
         for ovmf in self.ovmf_bios:
             format = ovmf.rsplit('.', 1)[-1]
+            if format == "bin":
+                format = "raw"
             self.qemu_opt += ' -drive if=pflash,format=%s,file=%s' % (format, ovmf)
 
         self.qemu_opt += ' ' + self.qemu_opt_script
@@ -1363,37 +1411,8 @@
         if self.snapshot:
             self.qemu_opt += " -snapshot"
 
-        if self.serialconsole:
-            if sys.stdin.isatty():
-                subprocess.check_call(("stty", "intr", "^]"))
-                logger.info("Interrupt character is '^]'")
-
-            first_serial = ""
-            if not re.search("-nographic", self.qemu_opt):
-                first_serial = "-serial mon:vc"
-            # We always want a ttyS1. Since qemu by default adds a serial
-            # port when nodefaults is not specified, it seems that all that
-            # would be needed is to make sure a "-serial" is there. However,
-            # it appears that when "-serial" is specified, it ignores the
-            # default serial port that is normally added.  So here we make
-            # sure to add two -serial if there are none. And only one if
-            # there is one -serial already.
-            serial_num = len(re.findall("-serial", self.qemu_opt))
-            if serial_num == 0:
-                self.qemu_opt += " %s %s" % (first_serial, self.get("QB_SERIAL_OPT"))
-            elif serial_num == 1:
-                self.qemu_opt += " %s" % self.get("QB_SERIAL_OPT")
-
-        # We always wants ttyS0 and ttyS1 in qemu machines (see SERIAL_CONSOLES),
-        # if not serial or serialtcp options was specified only ttyS0 is created
-        # and sysvinit shows an error trying to enable ttyS1:
-        #     INIT: Id "S1" respawning too fast: disabled for 5 minutes
-        serial_num = len(re.findall("-serial", self.qemu_opt))
-        if serial_num == 0:
-            if re.search("-nographic", self.qemu_opt) or self.serialstdio:
-                self.qemu_opt += " -serial mon:stdio -serial null"
-            else:
-                self.qemu_opt += " -serial mon:vc -serial null"
+        self.setup_serial()
+        self.setup_vga()
 
     def start_qemu(self):
         import shlex
diff --git a/poky/scripts/sstate-diff-machines.sh b/poky/scripts/sstate-diff-machines.sh
index 1d721eb..8b64e11 100755
--- a/poky/scripts/sstate-diff-machines.sh
+++ b/poky/scripts/sstate-diff-machines.sh
@@ -127,6 +127,8 @@
   fi
 done
 
+COMPARE_TASKS="do_configure.sigdata do_populate_sysroot.sigdata do_package_write_ipk.sigdata do_package_write_rpm.sigdata do_package_write_deb.sigdata do_package_write_tar.sigdata"
+
 function compareSignatures() {
   MACHINE1=$1
   MACHINE2=$2
@@ -134,7 +136,7 @@
   PRE_PATTERN=""
   [ -n "${PATTERN}" ] || PRE_PATTERN="-v"
   [ -n "${PATTERN}" ] || PATTERN="MACHINE"
-  for TASK in do_configure.sigdata do_populate_sysroot.sigdata do_package_write_ipk.sigdata; do
+  for TASK in $COMPARE_TASKS; do
     printf "\n\n === Comparing signatures for task ${TASK} between ${MACHINE1} and ${MACHINE2} ===\n" | tee -a ${OUTPUT}/signatures.${MACHINE2}.${TASK}.log
     diff ${OUTPUT}/${MACHINE1}/list.M ${OUTPUT}/${MACHINE2}/list.M | grep ${PRE_PATTERN} "${PATTERN}" | grep ${TASK} > ${OUTPUT}/signatures.${MACHINE2}.${TASK}
     for i in `cat ${OUTPUT}/signatures.${MACHINE2}.${TASK} | sed 's#[^/]*/\([^/]*\)/.*#\1#g' | sort -u | xargs`; do
diff --git a/poky/scripts/verify-bashisms b/poky/scripts/verify-bashisms
index fb0cc71..14d8c29 100755
--- a/poky/scripts/verify-bashisms
+++ b/poky/scripts/verify-bashisms
@@ -100,7 +100,7 @@
     args = parser.parse_args()
 
     if shutil.which("checkbashisms.pl") is None:
-        print("Cannot find checkbashisms.pl on $PATH, get it from https://anonscm.debian.org/cgit/collab-maint/devscripts.git/plain/scripts/checkbashisms.pl")
+        print("Cannot find checkbashisms.pl on $PATH, get it from https://salsa.debian.org/debian/devscripts/raw/master/scripts/checkbashisms.pl")
         sys.exit(1)
 
     # The order of defining the worker function,