glibc+ARM+inittab

[hb fei]

Hello All,

For some reason, I have to cross compile busybox with glibc/gcc for my ARM
target board, which is based on Atmel ARM9.
Most of things works, bash shell  prompts after I login, all the busybox
commands work fine. In the inittab, several sysinit commands
can successfully mount the /, /proc and all other devices listed in
/etc/fstab.

However, the inittab fails to invoke the /etc/init.d/rcS even if it does
"see" the script. I mean "see" since if I remove the rcS or rename it,
the system does complain  that the "etc/init.d/rcS" does not exist.

Unfortunately even if the inittab "see"s /etc/init.d/rcS, it does not really
execute any commands inside the rcS. I checked that mode
of rcS is executable by every one. But even the "echo" does not  echo
anything, in the command shell, all the commands inside
rcS work fine.

I do not think it is inittab itself problem, since I copy inittab and rcS to
another rootfs with buysbox compiled with uclibc, it works.
So I guess it could be busybox+glibc problem. By the way busybox+glibc does
work for our x86 targets, but not ARM.

My questions are,
1) Anyone had similar problem ? I searched in Archive, but could not find
any closely related topic.
2) If I turn to sysvinit and inittab, how can I combine busybox and sysvinit
together?  Let sysvinit "invoke" busybox?
(Uisng sysvinit to start up and busybox for all shell comands)?  Any links
to the all the  steps  to do it?

Sorry if anything is already in the archive,  since I could not find it.

[root at localhost etc]# ls -l  init.d/rcS
-rwxr-xr-x 1 root root 475 2008-10-25 23:06 init.d/rcS

The following is my inittab

null::sysinit:/bin/mount -o remount,rw /
null::sysinit:/bin/mount -t proc proc /proc
null::sysinit:/bin/mount -a
null::sysinit:/bin/hostname -F /etc/hostname
null::sysinit:/sbin/ifconfig lo 127.0.0.1 up


::sysinit:/etc/rc.d/rc.sysinit

null::sysinit:/sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
null::sysinit:/sbin/route add -net 192.168.1.100 netmask 255.255.255.0 eth0
# now run any rc scripts
::sysinit:/etc/init.d/rcS


# Set up a couple of getty's
tty1::respawn:/sbin/getty 115200 tty1
tty2::respawn:/sbin/getty 115200 tty2

# Put a getty on the serial port
ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100


# Logging junk
null::sysinit:/bin/touch /var/log/messages
null::respawn:/sbin/syslogd -n -m 0
null::respawn:/sbin/klogd -c 1 -n
tty3::respawn:/usr/bin/tail -f /var/log/messages

Thanks a lot for the helps,
Hong
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