I do follow command on 386 PC host:
It seems failed:
1) noting in etc/rc.d/
2) no devices in dev/ (only `altq` `fd` and a symbol link file `log`)
3) sbin/ping has not attribute 's', i.e. non-root user can't execute it.
...

===> build.sh command: ./build.sh -a mipsel -m evbmips -O /opt/netbsd/world/mipsel_obj -T /opt/netbsd/world/mipsel_tools install=/opt/netbsd/au1550root2
===> build.sh started: Fri Mar 31 18:00:38 CST 2006
===> MACHINE:          evbmips
===> MACHINE_ARCH:     mipsel
===> TOOLDIR path:     /opt/netbsd/world/mipsel_tools
===> DESTDIR path:     /opt/netbsd/world/mipsel_obj/destdir.evbmips
===> RELEASEDIR path:  /opt/netbsd/world/mipsel_obj/releasedir
===> makewrapper:      /opt/netbsd/world/mipsel_tools/bin/nbmake-evbmips
===> Updated /opt/netbsd/world/mipsel_tools/bin/nbmake-evbmips
installsets ===> distrib/sets	(with: INSTALLDIR=/opt/netbsd/au1550root2 INSTALLSETS=)
cd /opt/netbsd/src/distrib/sets &&  DESTDIR=/opt/netbsd/world/mipsel_obj/destdir.evbmips  MACHINE=evbmips MACHINE_ARCH=mipsel  CKSUM=/opt/netbsd/world/mipsel_tools/bin/nbcksum  DB=/opt/netbsd/world/mipsel_tools/bin/nbdb  HOST_SH=sh  MAKE=/opt/netbsd/world/mipsel_tools/bin/nbmake  MKTEMP=/opt/netbsd/world/mipsel_tools/bin/nbmktemp  MTREE=/opt/netbsd/world/mipsel_tools/bin/nbmtree  PAX=/opt/netbsd/world/mipsel_tools/bin/nbpax  TSORT=/opt/netbsd/world/mipsel_tools/bin/nbtsort\ -q  sh ./maketars -d /opt/netbsd/world/mipsel_obj/destdir.evbmips   -N /opt/netbsd/src/etc   -i /opt/netbsd/au1550root2 
Copying set base
Copying set comp
Copying set games
Copying set man
Copying set misc
Copying set text
postinstall-check ===> .	(with: DESTDIR=/opt/netbsd/au1550root2)
   === Post installation checks ===
sh /opt/netbsd/src/usr.sbin/postinstall/postinstall -s /opt/netbsd/src -d /opt/netbsd/au1550root2/ check
Source directory: /opt/netbsd/src
Target directory: /opt/netbsd/au1550root2/
defaults check:
	/opt/netbsd/au1550root2//etc/defaults/daily.conf does not exist
	/opt/netbsd/au1550root2//etc/defaults/monthly.conf does not exist
	/opt/netbsd/au1550root2//etc/defaults/rc.conf does not exist
	/opt/netbsd/au1550root2//etc/defaults/security.conf does not exist
	/opt/netbsd/au1550root2//etc/defaults/weekly.conf does not exist
	/opt/netbsd/au1550root2//etc/defaults/pf.boot.conf does not exist
gid check:
	/opt/netbsd/au1550root2//etc/group doesn't exist; can't check for missing groups
hosts check:
/opt/netbsd/src/usr.sbin/postinstall/postinstall: line 483: /opt/netbsd/au1550root2//etc/hosts: No such file or directory
diff: /opt/netbsd/au1550root2//etc/hosts: No such file or directory
diff: /tmp/_postinstall.23369.0/hosts: No such file or directory
	/opt/netbsd/au1550root2//etc/hosts needs the following changes:
makedev check:
	/opt/netbsd/au1550root2//dev/MAKEDEV does not exist
mtree check:
	/opt/netbsd/au1550root2//etc/mtree/NetBSD.dist does not exist
	/opt/netbsd/au1550root2//etc/mtree/special does not exist
named check:
pam check:
	/opt/netbsd/au1550root2//etc/pam.d/README does not exist
	/opt/netbsd/au1550root2//etc/pam.d/display_manager does not exist
	/opt/netbsd/au1550root2//etc/pam.d/ftpd does not exist
	/opt/netbsd/au1550root2//etc/pam.d/gdm does not exist
	/opt/netbsd/au1550root2//etc/pam.d/imap does not exist
	/opt/netbsd/au1550root2//etc/pam.d/kde does not exist
	/opt/netbsd/au1550root2//etc/pam.d/login does not exist
	/opt/netbsd/au1550root2//etc/pam.d/other does not exist
	/opt/netbsd/au1550root2//etc/pam.d/passwd does not exist
	/opt/netbsd/au1550root2//etc/pam.d/pop3 does not exist
	/opt/netbsd/au1550root2//etc/pam.d/ppp does not exist
	/opt/netbsd/au1550root2//etc/pam.d/rexecd does not exist
	/opt/netbsd/au1550root2//etc/pam.d/rsh does not exist
	/opt/netbsd/au1550root2//etc/pam.d/sshd does not exist
	/opt/netbsd/au1550root2//etc/pam.d/su does not exist
	/opt/netbsd/au1550root2//etc/pam.d/system does not exist
	/opt/netbsd/au1550root2//etc/pam.d/telnetd does not exist
	/opt/netbsd/au1550root2//etc/pam.d/xdm does not exist
	/opt/netbsd/au1550root2//etc/pam.d/xserver does not exist
periodic check:
	/opt/netbsd/au1550root2//etc/daily does not exist
	/opt/netbsd/au1550root2//etc/weekly does not exist
	/opt/netbsd/au1550root2//etc/monthly does not exist
	/opt/netbsd/au1550root2//etc/security does not exist
postfix check:
	/opt/netbsd/au1550root2//etc/postfix/postfix-script does not exist
	/opt/netbsd/au1550root2//etc/postfix/post-install does not exist
	/opt/netbsd/au1550root2//etc/postfix/postfix-files does not exist
rc check:
	/opt/netbsd/au1550root2//etc/rc does not exist
	/opt/netbsd/au1550root2//etc/rc.subr does not exist
	/opt/netbsd/au1550root2//etc/rc.shutdown does not exist
	/opt/netbsd/au1550root2//etc/rc.d/DAEMON does not exist
	/opt/netbsd/au1550root2//etc/rc.d/LOGIN does not exist
	/opt/netbsd/au1550root2//etc/rc.d/NETWORKING does not exist
	/opt/netbsd/au1550root2//etc/rc.d/SERVERS does not exist
	/opt/netbsd/au1550root2//etc/rc.d/accounting does not exist
	/opt/netbsd/au1550root2//etc/rc.d/altqd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/amd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/apmd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/bootparams does not exist
	/opt/netbsd/au1550root2//etc/rc.d/bootconf.sh does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ccd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/cgd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/cleartmp does not exist
	/opt/netbsd/au1550root2//etc/rc.d/cron does not exist
	/opt/netbsd/au1550root2//etc/rc.d/dhclient does not exist
	/opt/netbsd/au1550root2//etc/rc.d/dhcpd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/dhcrelay does not exist
	/opt/netbsd/au1550root2//etc/rc.d/dmesg does not exist
	/opt/netbsd/au1550root2//etc/rc.d/downinterfaces does not exist
	/opt/netbsd/au1550root2//etc/rc.d/fixsb does not exist
	/opt/netbsd/au1550root2//etc/rc.d/fsck does not exist
	/opt/netbsd/au1550root2//etc/rc.d/identd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ifwatchd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/inetd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ipfilter does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ipfs does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ipmon does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ipnat does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ipsec does not exist
	/opt/netbsd/au1550root2//etc/rc.d/isdnd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/kdc does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ldconfig does not exist
	/opt/netbsd/au1550root2//etc/rc.d/lkm1 does not exist
	/opt/netbsd/au1550root2//etc/rc.d/lkm2 does not exist
	/opt/netbsd/au1550root2//etc/rc.d/lkm3 does not exist
	/opt/netbsd/au1550root2//etc/rc.d/local does not exist
	/opt/netbsd/au1550root2//etc/rc.d/lpd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mopd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/motd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mountall does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mountcritlocal does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mountcritremote does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mountd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/moused does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mrouted does not exist
	/opt/netbsd/au1550root2//etc/rc.d/mixerctl does not exist
	/opt/netbsd/au1550root2//etc/rc.d/named does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ndbootd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/network does not exist
	/opt/netbsd/au1550root2//etc/rc.d/newsyslog does not exist
	/opt/netbsd/au1550root2//etc/rc.d/nfsd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/nfslocking does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ntpd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ntpdate does not exist
	/opt/netbsd/au1550root2//etc/rc.d/pf does not exist
	/opt/netbsd/au1550root2//etc/rc.d/pf_boot does not exist
	/opt/netbsd/au1550root2//etc/rc.d/pflogd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/poffd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/postfix does not exist
	/opt/netbsd/au1550root2//etc/rc.d/powerd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ppp does not exist
	/opt/netbsd/au1550root2//etc/rc.d/pwcheck does not exist
	/opt/netbsd/au1550root2//etc/rc.d/quota does not exist
	/opt/netbsd/au1550root2//etc/rc.d/racoon does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rpcbind does not exist
	/opt/netbsd/au1550root2//etc/rc.d/raidframe does not exist
	/opt/netbsd/au1550root2//etc/rc.d/raidframeparity does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rarpd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rbootd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/root does not exist
	/opt/netbsd/au1550root2//etc/rc.d/route6d does not exist
	/opt/netbsd/au1550root2//etc/rc.d/routed does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rtadvd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rtclocaltime does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rtsold does not exist
	/opt/netbsd/au1550root2//etc/rc.d/rwho does not exist
	/opt/netbsd/au1550root2//etc/rc.d/savecore does not exist
	/opt/netbsd/au1550root2//etc/rc.d/screenblank does not exist
	/opt/netbsd/au1550root2//etc/rc.d/sendmail does not exist
	/opt/netbsd/au1550root2//etc/rc.d/securelevel does not exist
	/opt/netbsd/au1550root2//etc/rc.d/smmsp does not exist
	/opt/netbsd/au1550root2//etc/rc.d/sshd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/staticroute does not exist
	/opt/netbsd/au1550root2//etc/rc.d/swap1 does not exist
	/opt/netbsd/au1550root2//etc/rc.d/swap2 does not exist
	/opt/netbsd/au1550root2//etc/rc.d/sysdb does not exist
	/opt/netbsd/au1550root2//etc/rc.d/sysctl does not exist
	/opt/netbsd/au1550root2//etc/rc.d/syslogd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/timed does not exist
	/opt/netbsd/au1550root2//etc/rc.d/tpctl does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ttys does not exist
	/opt/netbsd/au1550root2//etc/rc.d/veriexec does not exist
	/opt/netbsd/au1550root2//etc/rc.d/virecover does not exist
	/opt/netbsd/au1550root2//etc/rc.d/wdogctl does not exist
	/opt/netbsd/au1550root2//etc/rc.d/wscons does not exist
	/opt/netbsd/au1550root2//etc/rc.d/wsmoused does not exist
	/opt/netbsd/au1550root2//etc/rc.d/xdm does not exist
	/opt/netbsd/au1550root2//etc/rc.d/xfs does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ypbind does not exist
	/opt/netbsd/au1550root2//etc/rc.d/yppasswdd does not exist
	/opt/netbsd/au1550root2//etc/rc.d/ypserv does not exist
sendmail check:
	sendmail_suidroot variable not set (assuming ``no'')
/opt/netbsd/src/usr.sbin/postinstall/postinstall: line 802: /opt/netbsd/au1550root2//etc/rc.subr: No such file or directory
/opt/netbsd/src/usr.sbin/postinstall/postinstall: line 804: : command not found
/usr/bin/stat: invalid option -- q
Try `/usr/bin/stat --help' for more information.
	/opt/netbsd/au1550root2//usr/libexec/sendmail/sendmail binary has wrong owner/mode
	/opt/netbsd/au1550root2//etc/mail/sendmail.cf is missing
/usr/bin/stat: invalid option -- q
Try `/usr/bin/stat --help' for more information.
	Client queue / has wrong owner/mode
ssh check:
	/opt/netbsd/au1550root2//etc/moduli does not exist
wscons check:
x11 check:
uid check:
	/opt/netbsd/au1550root2//etc/master.passwd doesn't exist; can't check for missing users
varrwho check:
find: invalid argument `_rwhod' to `-user'
obsolete check:
awk: cmd. line:32: warning: escape sequence `\.' treated as plain `.'
awk: cmd. line:32: warning: escape sequence `\.' treated as plain `.'
awk: cmd. line:32: warning: escape sequence `\.' treated as plain `.'
awk: cmd. line:32: warning: escape sequence `\.' treated as plain `.'
postinstall checks passed: named wscons x11 varrwho obsolete
postinstall checks failed: defaults gid hosts makedev mtree pam periodic postfix rc sendmail ssh uid
To fix, run:
    /opt/netbsd/src/usr.sbin/postinstall/postinstall -s /opt/netbsd/src -d /opt/netbsd/au1550root2/ -m evbmips fix defaults gid hosts makedev mtree pam periodic postfix rc sendmail ssh uid
   ================================
make installworld started at:  Fri Mar 31 18:00:40 CST 2006
make installworld finished at: Fri Mar 31 18:03:46 CST 2006
===> Successful installworld to /opt/netbsd/au1550root2
===> build.sh started: Fri Mar 31 18:00:38 CST 2006
===> build.sh ended:   Fri Mar 31 18:03:46 CST 2006
===> Summary of results:
	 build.sh command: ./build.sh -a mipsel -m evbmips -O /opt/netbsd/world/mipsel_obj -T /opt/netbsd/world/mipsel_tools install=/opt/netbsd/au1550root2
	 build.sh started: Fri Mar 31 18:00:38 CST 2006
	 MACHINE:          evbmips
	 MACHINE_ARCH:     mipsel
	 TOOLDIR path:     /opt/netbsd/world/mipsel_tools
	 DESTDIR path:     /opt/netbsd/world/mipsel_obj/destdir.evbmips
	 RELEASEDIR path:  /opt/netbsd/world/mipsel_obj/releasedir
	 makewrapper:      /opt/netbsd/world/mipsel_tools/bin/nbmake-evbmips
	 Updated /opt/netbsd/world/mipsel_tools/bin/nbmake-evbmips
	 Successful installworld to /opt/netbsd/au1550root2
	 build.sh started: Fri Mar 31 18:00:38 CST 2006
	 build.sh ended:   Fri Mar 31 18:03:46 CST 2006
===> .