dzh@zihengdu-nb:~/poky/poky/build$ bitbake meta-toolchain
Loading cache: 100% |########################################################################################################################################################################| Time: 0:00:00
Loaded 1466 entries from dependency cache.
NOTE: Resolving any missing task queue dependencies

Build Configuration:
BB_VERSION           = "1.46.0"
BUILD_SYS            = "x86_64-linux"
NATIVELSBSTRING      = "universal"
TARGET_SYS           = "powerpc-poky-linux"
MACHINE              = "t1024rdb"
DISTRO               = "poky"
DISTRO_VERSION       = "3.1.3"
TUNE_FEATURES        = "m32 fpu-hard e5500 bigendian"
TARGET_FPU           = "hard"
meta                 
meta-poky            
meta-yocto-bsp       = "dunfell:012ad10a89a889c21e67c27dc37d22520212548f"
meta-freescale       = "dunfell:2da53ce8330d4bb0f7cb7a2ae186b7475ba02d52"

Initialising tasks: 100% |###################################################################################################################################################################| Time: 0:00:01
Sstate summary: Wanted 291 Found 0 Missed 291 Current 1341 (0% match, 82% complete)
NOTE: Executing Tasks
ERROR: nativesdk-packagegroup-sdk-host-1.0-r12 do_package: 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:fixup_perms(d)
     0003:
File: '/home/dzh/poky/poky/meta/classes/package.bbclass', lineno: 878, function: fixup_perms
     0874:    for path in target_path_vars:
     0875:        dir = d.getVar(path) or ""
     0876:        if dir == "":
     0877:            continue
 *** 0878:        fs_perms_table[dir] = fs_perms_entry(d.expand("%s 0755 root root false - - -" % (dir)))
     0879:
     0880:    # Now we actually load from the configuration files
     0881:    for conf in get_fs_perms_list(d).split():
     0882:        if not os.path.exists(conf):
File: '/home/dzh/poky/poky/meta/classes/package.bbclass', lineno: 750, function: __init__
     0746:            lsplit = line.split()
     0747:            if len(lsplit) == 3 and lsplit[1].lower() == "link":
     0748:                self._setlink(lsplit[0], lsplit[2])
     0749:            elif len(lsplit) == 8:
 *** 0750:                self._setdir(lsplit[0], lsplit[1], lsplit[2], lsplit[3], lsplit[4], lsplit[5], lsplit[6], lsplit[7])
     0751:            else:
     0752:                msg = "Fixup Perms: invalid config line %s" % line
     0753:                package_qa_handle_error("perm-config", msg, d)
     0754:                self.path = None
File: '/home/dzh/poky/poky/meta/classes/package.bbclass', lineno: 762, function: _setdir
     0758:            self.path = os.path.normpath(path)
     0759:            self.link = None
     0760:            self.mode = self._procmode(mode)
     0761:            self.uid  = self._procuid(uid)
 *** 0762:            self.gid  = self._procgid(gid)
     0763:            self.walk = walk.lower()
     0764:            self.fmode = self._procmode(fmode)
     0765:            self.fuid = self._procuid(fuid)
     0766:            self.fgid = self._procgid(fgid)
File: '/home/dzh/poky/poky/meta/classes/package.bbclass', lineno: 793, function: _procgid
     0789:                return -1
     0790:            elif gid.isdigit():
     0791:                return int(gid)
     0792:            else:
 *** 0793:                return grp.getgrnam(gid).gr_gid
     0794:
     0795:        # Use for debugging the entries
     0796:        def __str__(self):
     0797:            if self.link:
Exception: KeyError: 'getgrnam(): name not found: root'

ERROR: Logfile of failure stored in: /home/dzh/poky/poky/build/tmp/work/x86_64-nativesdk-pokysdk-linux/nativesdk-packagegroup-sdk-host/1.0-r12/temp/log.do_package.24741
ERROR: Task (/home/dzh/poky/poky/meta/recipes-core/packagegroups/nativesdk-packagegroup-sdk-host.bb:do_package) failed with exit code '1'