Busybox-1.7.2 Spurious "Bus error"

[KokHow.Teh at infineon.com]

Hi;
	I am using busybox-1.7.2 with uclibc-gcc version 3.4.4
cross-compiler on MIPS24KEC-based system. The busybox is built with ash
shell support and the rest of other standard applets. The problems that
always pop up is:

(1)	"Bus error" always happens randomly in any application after
init starts.
(2)	Sometimes "init" process does not execute /etc/inittab sysinit
script at all.

	Any advice and insight is appreciated. Enclosed is the various
system information.

Regards,
KH

Cross-compiler info:
[tehkok at linux2:/usr/src/busybox-1.7.2 4]$ $CC --version
mips-linux-cc (GCC) 3.4.4 20050119 (MIPS SDE)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is
NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.

[tehkok at linux2:/usr/src/busybox-1.7.2 5]$


Bysbox-1.7.2 build flags:
  mips-linux-gcc -Wp,-MD,libbb/.warn_ignoring_args.o.d   -std=gnu99
-Iinclude -Ilibbb  -I/usr/src/busybox-1.7.2/libbb -include
include/autoconf.h -D_GNU_SOURCE -DNDEBUG  -D"BB_VER=KBUILD_STR(1.7.2)"
-DBB_BT=AUTOCONF_TIMESTAMP -D_FORTIFY_SOURCE=2  -Wall -Wshadow
-Wwrite-strings -Wundef -Wstrict-prototypes  -Wmissing-prototypes
-Wmissing-declarations -O3 -fpic -fPIC -mabi=32 -march=mips32r2
-mtune=34kc -mips32r2 -fno-builtin-strlen -finline-limit=1000000
-fomit-frame-pointer -ffunction-sections -fdata-sections
-fno-guess-branch-probability -funsigned-char -static-libgcc
-falign-functions=1 -falign-jumps=1 -falign-labels=1 -falign-loops=1 -g
-Wdeclaration-after-statement     -D"KBUILD_STR(s)=#s"
-D"KBUILD_BASENAME=KBUILD_STR(warn_ignoring_args)"
-D"KBUILD_MODNAME=KBUILD_STR(warn_ignoring_args)" -c -o
libbb/warn_ignoring_args.o libbb/warn_ignoring_args.c
  rm -f shell/lib.a; mips-linux-ar  rcs shell/lib.a shell/ash.o

Spurious "Bus error":
init started: BusyBox v1.7.2 (2007-10-24 16:55:20 SGT)
Algorithmics/MIPS FPU Emulator v1.5
+ mount -a
Bus error
+ cat /etc/hostname
+ hostname Danube
+ mkdir /tmp/run /tmp/pts /tmp/lock
mkdir: cannot create directory '/tmp/run': File exists
mkdir: cannot create directory '/tmp/pts': File exists
mkdir: cannot create directory '/tmp/lock': Read-only file system
+ chmod a=rw /tmp/run
chmod: /tmp/run: Read-only file system
+ touch /tmp/messages /tmp/messages.0 /tmp/lastlog /tmp/wtmp
touch: /tmp/messages: Read-only file system
touch: /tmp/messages.0: Read-only file system
touch: /tmp/lastlog: Read-only file system
touch: /tmp/wtmp: Read-only file system
+ syslogd -s 0
+ klogd
+ touch /tmp/ipsec.conf
touch: /tmp/ipsec.conf: Read-only file system
+ touch /tmp/ipsec.secrets
touch: /tmp/ipsec.secrets: Read-only file system
+ mkdir /tmp/run/pluto
mkdir: cannot create directory '/tmp/run/pluto': Read-only file system
+ mount -t devpts -o rw,noexec,nosuid,gid=0 /dev/pts /tmp/pts
mount: no /etc/mtab
+ [ ! -s /etc/dropbear_rsa_host_key ]
+ echo Starting sshd...
Starting sshd...
+ dropbear -r /etc/dropbear_rsa_host_key
+ echo System Initialization completes
System Initialization completes

"Init" does NOT execute /etc/init.c/rcS due to some unknown reasons:
init started: BusyBox v1.7.2 (2007-10-24 16:55:20 SGT)

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