ERROR: core-image-xxxx-sdk-1.03-r0 do_rootfs: Error executing a python function in exec_python_func() autogenerated:
The stack trace of python calls that resulted in this exception/failure was:
File: 'exec_python_func() autogenerated', lineno: 2, function: <module>
     0001:
 *** 0002:do_rootfs(d)
     0003:
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/classes/image.bbclass', lineno: 261, function: do_rootfs
     0257:
     0258:    progress_reporter.next_stage()
     0259:
     0260:    # generate rootfs
 *** 0261:    create_rootfs(d, progress_reporter=progress_reporter, logcatcher=logcatcher)
     0262:
     0263:    progress_reporter.finish()
     0264:}
     0265:do_rootfs[dirs] = "${TOPDIR}"
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/lib/oe/rootfs.py', lineno: 1003, function: create_rootfs
     0999:    img_type = d.getVar('IMAGE_PKGTYPE')
     1000:    if img_type == "rpm":
     1001:        RpmRootfs(d, manifest_dir, progress_reporter, logcatcher).create()
     1002:    elif img_type == "ipk":
 *** 1003:        OpkgRootfs(d, manifest_dir, progress_reporter, logcatcher).create()
     1004:    elif img_type == "deb":
     1005:        DpkgRootfs(d, manifest_dir, progress_reporter, logcatcher).create()
     1006:
     1007:    os.environ.clear()
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/lib/oe/rootfs.py', lineno: 201, function: create
     0197:        if self.progress_reporter:
     0198:            self.progress_reporter.next_stage()
     0199:
     0200:        # call the package manager dependent create method
 *** 0201:        self._create()
     0202:
     0203:        sysconfdir = self.image_rootfs + self.d.getVar('sysconfdir')
     0204:        bb.utils.mkdirhier(sysconfdir)
     0205:        with open(sysconfdir + "/version", "w+") as ver:
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/lib/oe/rootfs.py', lineno: 908, function: _create
     0904:        opkg_post_process_cmds = self.d.getVar('OPKG_POSTPROCESS_COMMANDS')
     0905:
     0906:        # update PM index files, unless users provide their own feeds
     0907:        if (self.d.getVar('BUILD_IMAGES_FROM_FEEDS') or "") != "1":
 *** 0908:            self.pm.write_index()
     0909:
     0910:        execute_pre_post_process(self.d, opkg_pre_process_cmds)
     0911:
     0912:        if self.progress_reporter:
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/lib/oe/package_manager.py', lineno: 1080, function: write_index
     1076:
     1077:    def write_index(self):
     1078:        self.deploy_dir_lock()
     1079:
 *** 1080:        result = self.indexer.write_index()
     1081:
     1082:        self.deploy_dir_unlock()
     1083:
     1084:        if result is not None:
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/lib/oe/package_manager.py', lineno: 155, function: write_index
     0151:        if len(index_cmds) == 0:
     0152:            bb.note("There are no packages in %s!" % self.deploy_dir)
     0153:            return
     0154:
 *** 0155:        result = oe.utils.multiprocess_exec(index_cmds, create_index)
     0156:        if result:
     0157:            bb.fatal('%s' % ('\n'.join(result)))
     0158:
     0159:        if signer:
File: '/home/alex/oe-core/build/../stuff/openembedded-core/meta/lib/oe/utils.py', lineno: 192, function: multiprocess_exec
     0188:    pool = bb.utils.multiprocessingpool(nproc, init_worker)
     0189:    imap = pool.imap(function, commands)
     0190:
     0191:    try:
 *** 0192:        res = list(imap)
     0193:        pool.close()
     0194:        pool.join()
     0195:        results = []
     0196:        for result in res:
File: '/usr/lib/python3.5/multiprocessing/pool.py', lineno: 695, function: next
     0691:
     0692:        success, value = item
     0693:        if success:
     0694:            return value
 *** 0695:        raise value
     0696:
     0697:    __next__ = next                    # XXX
     0698:
     0699:    def _set(self, i, obj):
Exception: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xb0 in position 1022: invalid start byte
ERROR: core-image-xxxx-sdk-1.03-r0 do_rootfs: Function failed: do_rootfs
ERROR: Logfile of failure stored in: /home/alex/oe-core/build/tmp-glibc/work/xxxx_ipam400-oe-linux-gnueabi/core-image-xxxx-sdk/1.03-r0/temp/log.do_rootfs.22925
ERROR: Task (/home/alex/oe-core/build/../stuff/meta-xxxx-sdk/recipes-core/images/core-image-xxxx-sdk.bb:do_rootfs) failed with exit code '1'