diff --git a/poky/scripts/lib/wic/canned-wks/mkhybridiso.wks b/poky/scripts/lib/wic/canned-wks/mkhybridiso.wks
index 9d34e9b..48c5ac4 100644
--- a/poky/scripts/lib/wic/canned-wks/mkhybridiso.wks
+++ b/poky/scripts/lib/wic/canned-wks/mkhybridiso.wks
@@ -2,6 +2,6 @@
 # long-description: Creates an EFI and legacy bootable hybrid ISO image
 # which can be used on optical media as well as USB media.
 
-part /boot --source isoimage-isohybrid --sourceparams="loader=grub-efi,image_name=HYBRID_ISO_IMG" --ondisk cd --label HYBRIDISO --fstype=ext4
+part /boot --source isoimage-isohybrid --sourceparams="loader=grub-efi,image_name=HYBRID_ISO_IMG" --ondisk cd --label HYBRIDISO
 
 bootloader  --timeout=15  --append=""
diff --git a/poky/scripts/lib/wic/engine.py b/poky/scripts/lib/wic/engine.py
index f0c5ff0..4662c66 100644
--- a/poky/scripts/lib/wic/engine.py
+++ b/poky/scripts/lib/wic/engine.py
@@ -191,7 +191,7 @@
     if not os.path.exists(options.outdir):
         os.makedirs(options.outdir)
 
-    pname = 'direct'
+    pname = options.imager
     plugin_class = PluginMgr.get_plugins('imager').get(pname)
     if not plugin_class:
         raise WicError('Unknown plugin: %s' % pname)
@@ -266,10 +266,15 @@
             out = exec_cmd("%s -sm %s unit B print" % (self.parted, self.imagepath))
             parttype = namedtuple("Part", "pnum start end size fstype")
             splitted = out.splitlines()
-            lsector_size, psector_size, self._ptable_format = splitted[1].split(":")[3:6]
+            # skip over possible errors in exec_cmd output
+            try:
+                idx =splitted.index("BYT;")
+            except ValueError:
+                raise WicError("Error getting partition information from %s" % (self.parted))
+            lsector_size, psector_size, self._ptable_format = splitted[idx + 1].split(":")[3:6]
             self._lsector_size = int(lsector_size)
             self._psector_size = int(psector_size)
-            for line in splitted[2:]:
+            for line in splitted[idx + 2:]:
                 pnum, start, end, size, fstype = line.split(':')[:5]
                 partition = parttype(int(pnum), int(start[:-1]), int(end[:-1]),
                                      int(size[:-1]), fstype)
@@ -340,9 +345,21 @@
         """Remove files/dirs from the partition."""
         partimg = self._get_part_image(pnum)
         if self.partitions[pnum].fstype.startswith('ext'):
-            exec_cmd("{} {} -wR 'rm {}'".format(self.debugfs,
+            cmd = "{} {} -wR 'rm {}'".format(self.debugfs,
                                                 self._get_part_image(pnum),
-                                                path), as_shell=True)
+                                                path)
+            out = exec_cmd(cmd , as_shell=True)
+            for line in out.splitlines():
+                if line.startswith("rm:"):
+                    if "file is a directory" in line:
+                        # Try rmdir to see if this is an empty directory. This won't delete
+                        # any non empty directory so let user know about any error that this might
+                        # generate.
+                        print(exec_cmd("{} {} -wR 'rmdir {}'".format(self.debugfs,
+                                                    self._get_part_image(pnum),
+                                                    path), as_shell=True))
+                    else:
+                        raise WicError("Could not complete operation: wic %s" % str(line))
         else: # fat
             cmd = "{} -i {} ::{}".format(self.mdel, partimg, path)
             try:
@@ -494,7 +511,7 @@
                     sparse_copy(partfname, target, seek=part['start'] * self._lsector_size)
                     os.unlink(partfname)
                 elif part['type'] != 'f':
-                    logger.warn("skipping partition {}: unsupported fstype {}".format(pnum, fstype))
+                    logger.warning("skipping partition {}: unsupported fstype {}".format(pnum, fstype))
 
 def wic_ls(args, native_sysroot):
     """List contents of partitioned image or vfat partition."""
diff --git a/poky/scripts/lib/wic/filemap.py b/poky/scripts/lib/wic/filemap.py
index a72fa09..abbf958 100644
--- a/poky/scripts/lib/wic/filemap.py
+++ b/poky/scripts/lib/wic/filemap.py
@@ -22,6 +22,7 @@
 #   * Too many instance attributes (R0902)
 # pylint: disable=R0902
 
+import errno
 import os
 import struct
 import array
@@ -189,9 +190,9 @@
     except OSError as err:
         # The 'lseek' system call returns the ENXIO if there is no data or
         # hole starting from the specified offset.
-        if err.errno == os.errno.ENXIO:
+        if err.errno == errno.ENXIO:
             return -1
-        elif err.errno == os.errno.EINVAL:
+        elif err.errno == errno.EINVAL:
             raise ErrorNotSupp("the kernel or file-system does not support "
                                "\"SEEK_HOLE\" and \"SEEK_DATA\"")
         else:
@@ -394,12 +395,12 @@
         except IOError as err:
             # Note, the FIEMAP ioctl is supported by the Linux kernel starting
             # from version 2.6.28 (year 2008).
-            if err.errno == os.errno.EOPNOTSUPP:
+            if err.errno == errno.EOPNOTSUPP:
                 errstr = "FilemapFiemap: the FIEMAP ioctl is not supported " \
                          "by the file-system"
                 self._log.debug(errstr)
                 raise ErrorNotSupp(errstr)
-            if err.errno == os.errno.ENOTTY:
+            if err.errno == errno.ENOTTY:
                 errstr = "FilemapFiemap: the FIEMAP ioctl is not supported " \
                          "by the kernel"
                 self._log.debug(errstr)
diff --git a/poky/scripts/lib/wic/help.py b/poky/scripts/lib/wic/help.py
index 842b868..64f0805 100644
--- a/poky/scripts/lib/wic/help.py
+++ b/poky/scripts/lib/wic/help.py
@@ -866,11 +866,11 @@
        Partitions with a <mountpoint> specified will be automatically mounted.
        This is achieved by wic adding entries to the fstab during image
        generation. In order for a valid fstab to be generated one of the
-       --ondrive, --ondisk or --use-uuid partition options must be used for
-       each partition that specifies a mountpoint.  Note that with --use-uuid
-       and non-root <mountpoint>, including swap, the mount program must
-       understand the PARTUUID syntax.  This currently excludes the busybox
-       versions of these applications.
+       --ondrive, --ondisk, --use-uuid or --use-label partition options must
+       be used for each partition that specifies a mountpoint.  Note that with
+       --use-{uuid,label} and non-root <mountpoint>, including swap, the mount
+       program must understand the PARTUUID or LABEL syntax.  This currently
+       excludes the busybox versions of these applications.
 
 
        The following are supported 'part' options:
@@ -945,6 +945,14 @@
                         label is already in use by another filesystem,
                         a new label is created for the partition.
 
+         --use-label: This option is specific to wic. It makes wic to use the
+                      label in /etc/fstab to specify a partition. If the
+                      --use-label and --use-uuid are used at the same time,
+                      we prefer the uuid because it is less likely to cause
+                      name confliction. We don't support using this parameter
+                      on the root partition since it requires an initramfs to
+                      parse this value and we do not currently support that.
+
          --active: Marks the partition as active.
 
          --align (in KBytes): This option is specific to wic and says
diff --git a/poky/scripts/lib/wic/ksparser.py b/poky/scripts/lib/wic/ksparser.py
index e590b2f..7e5a9c5 100644
--- a/poky/scripts/lib/wic/ksparser.py
+++ b/poky/scripts/lib/wic/ksparser.py
@@ -141,6 +141,7 @@
                                    'squashfs', 'vfat', 'msdos', 'swap'))
         part.add_argument('--mkfs-extraopts', default='')
         part.add_argument('--label')
+        part.add_argument('--use-label', action='store_true')
         part.add_argument('--no-table', action='store_true')
         part.add_argument('--ondisk', '--ondrive', dest='disk', default='sda')
         part.add_argument("--overhead-factor", type=overheadtype)
@@ -196,9 +197,18 @@
                         raise KickStartError('%s:%d: %s' % \
                                              (confpath, lineno, err))
                     if line.startswith('part'):
-                        # SquashFS does not support UUID
-                        if parsed.fstype == 'squashfs' and parsed.use_uuid:
-                            err = "%s:%d: SquashFS does not support UUID" \
+                        # SquashFS does not support filesystem UUID
+                        if parsed.fstype == 'squashfs':
+                            if parsed.fsuuid:
+                                err = "%s:%d: SquashFS does not support UUID" \
+                                       % (confpath, lineno)
+                                raise KickStartError(err)
+                            if parsed.label:
+                                err = "%s:%d: SquashFS does not support LABEL" \
+                                       % (confpath, lineno)
+                                raise KickStartError(err)
+                        if parsed.use_label and not parsed.label:
+                            err = "%s:%d: Must set the label with --label" \
                                   % (confpath, lineno)
                             raise KickStartError(err)
                         # using ArgumentParser one cannot easily tell if option
diff --git a/poky/scripts/lib/wic/partition.py b/poky/scripts/lib/wic/partition.py
index 3fe5c4e..3da7e23 100644
--- a/poky/scripts/lib/wic/partition.py
+++ b/poky/scripts/lib/wic/partition.py
@@ -47,6 +47,7 @@
         self.fsopts = args.fsopts
         self.fstype = args.fstype
         self.label = args.label
+        self.use_label = args.use_label
         self.mkfs_extraopts = args.mkfs_extraopts
         self.mountpoint = args.mountpoint
         self.no_table = args.no_table
@@ -66,7 +67,6 @@
 
         self.lineno = lineno
         self.source_file = ""
-        self.sourceparams_dict = {}
 
     def get_extra_block_count(self, current_blocks):
         """
@@ -211,7 +211,7 @@
         """
         p_prefix = os.environ.get("PSEUDO_PREFIX", "%s/usr" % native_sysroot)
         p_localstatedir = os.environ.get("PSEUDO_LOCALSTATEDIR",
-                                         "%s/../pseudo" %  get_bitbake_var("IMAGE_ROOTFS"))
+                                         "%s/../pseudo" %  rootfs_dir)
         p_passwd = os.environ.get("PSEUDO_PASSWD", rootfs_dir)
         p_nosymlinkexp = os.environ.get("PSEUDO_NOSYMLINKEXP", "1")
         pseudo = "export PSEUDO_PREFIX=%s;" % p_prefix
diff --git a/poky/scripts/lib/wic/plugins/imager/direct.py b/poky/scripts/lib/wic/plugins/imager/direct.py
index 1fa6b91..bb14a33 100644
--- a/poky/scripts/lib/wic/plugins/imager/direct.py
+++ b/poky/scripts/lib/wic/plugins/imager/direct.py
@@ -122,6 +122,10 @@
         if self._update_fstab(fstab_lines, self.parts):
             # copy rootfs dir to workdir to update fstab
             # as rootfs can be used by other tasks and can't be modified
+            new_pseudo = os.path.realpath(os.path.join(self.workdir, "pseudo"))
+            from_dir = os.path.join(os.path.join(image_rootfs, ".."), "pseudo")
+            from_dir = os.path.realpath(from_dir)
+            copyhardlinktree(from_dir, new_pseudo)
             new_rootfs = os.path.realpath(os.path.join(self.workdir, "rootfs_copy"))
             copyhardlinktree(image_rootfs, new_rootfs)
             fstab_path = os.path.join(new_rootfs, 'etc/fstab')
@@ -151,6 +155,8 @@
                         device_name = "UUID=%s" % part.fsuuid
                 else:
                     device_name = "PARTUUID=%s" % part.uuid
+            elif part.use_label:
+                device_name = "LABEL=%s" % part.label
             else:
                 # mmc device partitions are named mmcblk0p1, mmcblk0p2..
                 prefix = 'p' if  part.disk.startswith('mmcblk') else ''
diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-partition.py b/poky/scripts/lib/wic/plugins/source/bootimg-partition.py
index b239fc0..ddc880b 100644
--- a/poky/scripts/lib/wic/plugins/source/bootimg-partition.py
+++ b/poky/scripts/lib/wic/plugins/source/bootimg-partition.py
@@ -30,6 +30,7 @@
 from glob import glob
 
 from wic import WicError
+from wic.engine import get_custom_config
 from wic.pluginbase import SourcePlugin
 from wic.misc import exec_cmd, get_bitbake_var
 
@@ -44,15 +45,11 @@
     name = 'bootimg-partition'
 
     @classmethod
-    def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
+    def do_configure_partition(cls, part, source_params, cr, cr_workdir,
                              oe_builddir, bootimg_dir, kernel_dir,
-                             rootfs_dir, native_sysroot):
+                             native_sysroot):
         """
-        Called to do the actual content population for a partition i.e. it
-        'prepares' the partition to be incorporated into the image.
-        In this case, does the following:
-        - sets up a vfat partition
-        - copies all files listed in IMAGE_BOOT_FILES variable
+        Called before do_prepare_partition(), create u-boot specific boot config
         """
         hdddir = "%s/boot.%d" % (cr_workdir, part.lineno)
         install_cmd = "install -d %s" % hdddir
@@ -63,8 +60,6 @@
             if not kernel_dir:
                 raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
 
-        logger.debug('Kernel dir: %s', bootimg_dir)
-
         boot_files = None
         for (fmt, id) in (("_uuid-%s", part.uuid), ("_label-%s", part.label), (None, None)):
             if fmt:
@@ -94,9 +89,9 @@
             logger.debug('Destination entry: %r', dst_entry)
             deploy_files.append(dst_entry)
 
+        cls.install_task = [];
         for deploy_entry in deploy_files:
             src, dst = deploy_entry
-            install_task = []
             if '*' in src:
                 # by default install files under their basename
                 entry_name_fn = os.path.basename
@@ -111,21 +106,101 @@
 
                 logger.debug('Globbed sources: %s', ', '.join(srcs))
                 for entry in srcs:
+                    src = os.path.relpath(entry, kernel_dir)
                     entry_dst_name = entry_name_fn(entry)
-                    install_task.append((entry,
-                                         os.path.join(hdddir,
-                                                      entry_dst_name)))
+                    cls.install_task.append((src, entry_dst_name))
             else:
-                install_task = [(os.path.join(kernel_dir, src),
-                                 os.path.join(hdddir, dst))]
+                cls.install_task.append((src, dst))
 
-            for task in install_task:
-                src_path, dst_path = task
-                logger.debug('Install %s as %s',
-                             os.path.basename(src_path), dst_path)
-                install_cmd = "install -m 0644 -D %s %s" \
-                              % (src_path, dst_path)
-                exec_cmd(install_cmd)
+        if source_params.get('loader') != "u-boot":
+            return
+
+        configfile = cr.ks.bootloader.configfile
+        custom_cfg = None
+        if configfile:
+            custom_cfg = get_custom_config(configfile)
+            if custom_cfg:
+                # Use a custom configuration for extlinux.conf
+                extlinux_conf = custom_cfg
+                logger.debug("Using custom configuration file "
+                             "%s for extlinux.cfg", configfile)
+            else:
+                raise WicError("configfile is specified but failed to "
+                               "get it from %s." % configfile)
+
+        if not custom_cfg:
+            # The kernel types supported by the sysboot of u-boot
+            kernel_types = ["zImage", "Image", "fitImage", "uImage", "vmlinux"]
+            has_dtb = False
+            fdt_dir = '/'
+            kernel_name = None
+
+            # Find the kernel image name, from the highest precedence to lowest
+            for image in kernel_types:
+                for task in cls.install_task:
+                    src, dst = task
+                    if re.match(image, src):
+                        kernel_name = os.path.join('/', dst)
+                        break
+                if kernel_name:
+                    break
+
+            for task in cls.install_task:
+                src, dst = task
+                # We suppose that all the dtb are in the same directory
+                if re.search(r'\.dtb', src) and fdt_dir == '/':
+                    has_dtb = True
+                    fdt_dir = os.path.join(fdt_dir, os.path.dirname(dst))
+                    break
+
+            if not kernel_name:
+                raise WicError('No kernel file founded')
+
+            # Compose the extlinux.conf
+            extlinux_conf = "default Yocto\n"
+            extlinux_conf += "label Yocto\n"
+            extlinux_conf += "   kernel %s\n" % kernel_name
+            if has_dtb:
+                extlinux_conf += "   fdtdir %s\n" % fdt_dir
+            bootloader = cr.ks.bootloader
+            extlinux_conf += "append root=%s rootwait %s\n" \
+                             % (cr.rootdev, bootloader.append if bootloader.append else '')
+
+        install_cmd = "install -d %s/extlinux/" % hdddir
+        exec_cmd(install_cmd)
+        cfg = open("%s/extlinux/extlinux.conf" % hdddir, "w")
+        cfg.write(extlinux_conf)
+        cfg.close()
+
+
+    @classmethod
+    def do_prepare_partition(cls, part, source_params, cr, cr_workdir,
+                             oe_builddir, bootimg_dir, kernel_dir,
+                             rootfs_dir, native_sysroot):
+        """
+        Called to do the actual content population for a partition i.e. it
+        'prepares' the partition to be incorporated into the image.
+        In this case, does the following:
+        - sets up a vfat partition
+        - copies all files listed in IMAGE_BOOT_FILES variable
+        """
+        hdddir = "%s/boot.%d" % (cr_workdir, part.lineno)
+
+        if not kernel_dir:
+            kernel_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
+            if not kernel_dir:
+                raise WicError("Couldn't find DEPLOY_DIR_IMAGE, exiting")
+
+        logger.debug('Kernel dir: %s', bootimg_dir)
+
+
+        for task in cls.install_task:
+            src_path, dst_path = task
+            logger.debug('Install %s as %s', src_path, dst_path)
+            install_cmd = "install -m 0644 -D %s %s" \
+                          % (os.path.join(kernel_dir, src_path),
+                             os.path.join(hdddir, dst_path))
+            exec_cmd(install_cmd)
 
         logger.debug('Prepare boot partition using rootfs in %s', hdddir)
         part.prepare_rootfs(cr_workdir, oe_builddir, hdddir,
diff --git a/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py b/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
index d599112..9347aa7 100644
--- a/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
+++ b/poky/scripts/lib/wic/plugins/source/bootimg-pcbios.py
@@ -26,6 +26,7 @@
 
 import logging
 import os
+import re
 
 from wic import WicError
 from wic.engine import get_custom_config
@@ -47,10 +48,17 @@
         """
         Check if dirname exists in default bootimg_dir or in STAGING_DIR.
         """
-        for result in (bootimg_dir, get_bitbake_var("STAGING_DATADIR")):
+        staging_datadir = get_bitbake_var("STAGING_DATADIR")
+        for result in (bootimg_dir, staging_datadir):
             if os.path.exists("%s/%s" % (result, dirname)):
                 return result
 
+        # STAGING_DATADIR is expanded with MLPREFIX if multilib is enabled
+        # but dependency syslinux is still populated to original STAGING_DATADIR
+        nonarch_datadir = re.sub('/[^/]*recipe-sysroot', '/recipe-sysroot', staging_datadir)
+        if os.path.exists(os.path.join(nonarch_datadir, dirname)):
+            return nonarch_datadir
+
         raise WicError("Couldn't find correct bootimg_dir, exiting")
 
     @classmethod
diff --git a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
index b119c9c..170077c 100644
--- a/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
+++ b/poky/scripts/lib/wic/plugins/source/isoimage-isohybrid.py
@@ -47,7 +47,7 @@
 
     Example kickstart file:
     part /boot --source isoimage-isohybrid --sourceparams="loader=grub-efi, \\
-    image_name= IsoImage" --ondisk cd --label LIVECD --fstype=ext2
+    image_name= IsoImage" --ondisk cd --label LIVECD
     bootloader  --timeout=10  --append=" "
 
     In --sourceparams "loader" specifies the bootloader used for booting in EFI
@@ -191,10 +191,9 @@
             else:
                 raise WicError("Couldn't find or build initrd, exiting.")
 
-            exec_cmd("cd %s && find . | cpio -o -H newc -R +0:+0 >./initrd.cpio " \
-                    % initrd_dir, as_shell=True)
-            exec_cmd("gzip -f -9 -c %s/initrd.cpio > %s" \
-                    % (cr_workdir, initrd), as_shell=True)
+            exec_cmd("cd %s && find . | cpio -o -H newc -R root:root >%s/initrd.cpio " \
+                     % (initrd_dir, cr_workdir), as_shell=True)
+            exec_cmd("gzip -f -9 %s/initrd.cpio" % cr_workdir, as_shell=True)
             shutil.rmtree(initrd_dir)
 
         return initrd
@@ -253,33 +252,8 @@
             raise WicError("Couldn't find IMAGE_ROOTFS, exiting.")
 
         part.rootfs_dir = rootfs_dir
-
-        # Prepare rootfs.img
         deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
         img_iso_dir = get_bitbake_var("ISODIR")
-        rootfs_img = "%s/rootfs.img" % img_iso_dir
-        if not os.path.isfile(rootfs_img):
-            # check if rootfs.img is in deploydir
-            deploy_dir = get_bitbake_var("DEPLOY_DIR_IMAGE")
-            image_name = get_bitbake_var("IMAGE_LINK_NAME")
-            rootfs_img = "%s/%s.%s" \
-                % (deploy_dir, image_name, part.fstype)
-
-        if not os.path.isfile(rootfs_img):
-            # create image file with type specified by --fstype
-            # which contains rootfs
-            du_cmd = "du -bks %s" % rootfs_dir
-            out = exec_cmd(du_cmd)
-            part.size = int(out.split()[0])
-            part.extra_space = 0
-            part.overhead_factor = 1.2
-            part.prepare_rootfs(cr_workdir, oe_builddir, rootfs_dir, \
-                                native_sysroot)
-            rootfs_img = part.source_file
-
-        install_cmd = "install -m 0644 %s %s/rootfs.img" \
-            % (rootfs_img, isodir)
-        exec_cmd(install_cmd)
 
         # Remove the temporary file created by part.prepare_rootfs()
         if os.path.isfile(part.source_file):
@@ -342,7 +316,7 @@
                     grub_src = os.path.join(deploy_dir, grub_src_image)
                     if not os.path.exists(grub_src):
                         raise WicError("Grub loader %s is not found in %s. "
-                                       "Please build grub-efi first" % (grub_image, deploy_dir))
+                                       "Please build grub-efi first" % (grub_src_image, deploy_dir))
                     shutil.copy(grub_src, grub_target)
 
                 if not os.path.isfile(os.path.join(target_dir, "boot.cfg")):