linux 2.6.18.2 with GCC 4.1.1 shell not coming

[satpal parmar]

Hi all ;

 I am facing some  problem in porting linux kernel 2.6.18. I went through
some mailing list,archives and find mails refering exactly the problem I am
facing but unfortunetly I didnt get any working hints or solutions.I am
wondering if what I am facing is a known issue for embeded community. I
apprecaite if someone can  share hsi/her experinece on this isue.

*Problem:* We are porting linux-2.6.18.2 on ARM based chip, with
toochain-4.1.1(EABI), software floating point and uClibc-0.9.28.1.
We are using busybox-1.2.2.1 and ash shell.I am facing a certain problem in
init.c, before the shell comes up.

I have traced the problem and it seems to be that i don't recover from
the function console_init (in file init.c) .

Same kernel and rootfile system works fine when I compile with  with
gcc-4.0.3 toolchain (without EABI).So I cannot doubt UART interrupt, or
console driver.

*following mail list similar problem without  any clues:*

http://buildroot.uclibc.org/lists/buildroot/2007-February/001516.html

http://ozlabs.org/pipermail/linuxppc-embedded/2006-January/021541.html


here is my log;



Waiting for image to be downloaded via ICE...

Linux version 2.6.18.2 (sainin at bmpbuild2.noida.conexant.com) (gcc version
4.1.1)

 #2 Fri Feb 16 15:44:48 IST 2007

CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0003177

Machine: Conexant Edwards-Based IRD

Memory policy: ECC disabled, Data cache writeback

CPU0: D VIVT write-back cache

CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets

CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets

Built 1 zonelists.  Total pages: 16384

Kernel command line: console=ttyRI0 root=/dev/ram  mem=64M debug=0

PID hash table entries: 512 (order: 9, 2048 bytes)

Console: colour dummy device 80x30

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory: 64MB = 64MB total

Memory: 55040KB available (1112K code, 479K data, 68K init)

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

checking if image is initramfs...it isn't (bad gzip magic numbers); looks
like a

n initrd

Freeing initrd memory: 8192K

NetWinder Floating Point Emulator V0.97 (double precision)

Initializing Cryptographic API

io scheduler noop registered (default)

ttyRI0 at MMIO 0xe0412000 (irq = 2) is a CNXTUART

ttyRI1 at MMIO 0xe0411000 (irq = 1) is a CNXTUART

ttyRI2 at MMIO 0xe0410000 (irq = 0) is a CNXTUART

RAMDISK driver initialized: 4 RAM disks of 8192K size 1024 blocksize

mice: PS/2 mouse device common for all mice

RAMDISK: ext2 filesystem found at block 0

RAMDISK: Loading 8092KiB [1 disk] into ram disk... done.

VFS: Mounted root (ext2 filesystem) readonly.

Freeing init memory: 68K

Hello WOrld inside init.c

before console_init

 (no shell)
Thanks for your patience and time.

Regards
satpal
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