linux kernel does not bring up!!

linux kernel does not bring up!!

[lily]

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hi,everybody:
     I am a new to embeded linux,my work is to port linux on powerpc , the board i uses is  octobusHPPC405EP .when I power on the board it prints the boot message in minicom as follows :
     U-Boot 1.1.2 (Jun  3 2005 - 12:05:48)

CPU:   IBM PowerPC 405EP Rev. B at 133.333 MHz (PLB=133, OPB=66, EBC=33 MHz)
       IIC Boot EEPROM disabled
       PCI async ext clock used, internal PCI arbiter enabled
       16 kB I-Cache 16 kB D-Cache
OCTOBUS Board: ### No HW ID - assuming OCTOBUS HPPC405
I2C:   ready
DRAM:  32 MB
FLASH:  4 MB
Hit any key to stop autoboot:  0 
## Booting image at ffc00000 ...
   Image Name:   Linux-2.4.21-pre5
   Created:      2005-06-09  13:24:37 UTC
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    550124 Bytes = 537.2 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
## Loading RAMDisk Image at ffd00000 ...
   Image Name:   PPCLinux Ramdisk Image
   Created:      2005-06-16   9:15:17 UTC
   Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
   Data Size:    1732209 Bytes =  1.7 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Loading Ramdisk to 01def000, end 01f95e71 ... OK
id mach(): done
MMU:enter
MMU:hw init
MMU:mapin
MMU:mapin_ram done
MMU:setio
MMU:exit
setup_arch: enter
setup_arch: bootmem
arch:exit

then the system hang .one time the message have difference like:

U-Boot 1.1.2 (Jun  3 2005 - 12:05:48)

CPU:   IBM PowerPC 405EP Rev. B at 133.333 MHz (PLB=133, OPB=66, EBC=33 MHz)
       IIC Boot EEPROM disabled
       PCI async ext clock used, internal PCI arbiter enabled
       16 kB I-Cache 16 kB D-Cache
OCTOBUS Board: ### No HW ID - assuming OCTOBUS HPPC405
I2C:   ready
DRAM:  32 MB
FLASH:  4 MB
Hit any key to stop autoboot:  0 
## Booting image at ffc00000 ...
   Image Name:   Linux-2.4.21-pre5
   Created:      2005-06-09  13:24:37 UTC
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    550124 Bytes = 537.2 kB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
## Loading RAMDisk Image at ffd00000 ...
   Image Name:   PPCLinux Ramdisk Image
   Created:      2005-06-16   9:15:17 UTC
   Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
   Data Size:    1732209 Bytes =  1.7 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Loading Ramdisk to 01def000, end 01f95e71 ... OK
id mach(): done
MMU:enter
MMU:hw init
MMU:mapin
MMU:mapin_ram done
MMU:setio
MMU:exit
setup_arch: enter
setup_arch: bootmem
arch:exit
Linux version 2.4.21-pre5 (tzn@linux-tzn) (gcc version 3.2.2 20030217 (Yellow Dog Linux 3.0 3.2.2-2a_1)) #1 Do Jun 9 15:21:40 CEST 2005
DAVE Srl PPChameleonEVB port (C) 2003 DAVE Srl (info@wawnet.biz)
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/ram rw ip=192.168.1.2:::255.255.255.0::eth0:off console=ttyS0,115200
Calibrating delay loop... 133.12 BogoMIPS
Memory: 29264k available (1004k kernel code, 324k data, 76k init, 0k highmem)
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
Inode cache hash table entries: 2048 (order: 2, 16384 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 8192 (order: 3, 32768 bytes)
POSIX conformance testing by UNIFIX
PCI: Probing PCI hardware

Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
OCP uart ver 1.6.2 init complete
Starting kswapd
i2c-core.o: i2c core module
pty: 256 Unix98 ptys configured
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled
ttyS00 at 0xef600300 (irq = 0) is a 16550A
ttyS01 at 0xef600400 (irq = 1) is a 16550A
PPC 405 watchdog driver v0.6
IBM gpio driver version 07.25.02
GPIO #0 at 0xc3000700
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
eth0: Phy @ 0x1, type STE100P (0x1c040011)
Reset ethernet interfaces
eth1: No PHY device found.
removing net dev
IBM IIC driver
i2c-core.o: adapter IBM IIC adapter registered as adapter 0.
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 2048 bind 4096)
eth0: IBM EMAC: link up, 100 Mbps Half Duplex.
eth0: IBM EMAC: MAC 00:50:c2:1e:af:fe.
eth0: IBM EMAC: open completed

IP-Config: Complete:
      device=eth0, addr=192.168.1.2, mask=255.255.255.0, gw=255.255.255.255,
     host=192.168.1.2, domain=, nis-domain=(none),
     bootserver=255.255.255.255, rootserver=255.255.255.255, rootpath=
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 1691k freed
VFS: Mounted root (ext2 filesystem).
Freeing unused kernel memory: 76k init
init started:  BusyBox v0.60.5 (2005.06.06-14:19+0000) multi-call binary
rm: cannot remove `/www/log/seriald_started.log': No such file or directory

but this message just print once ,what's the problem with the board ,does it destroy？
there is somebody give me some suggestion what i do next.Thanks !!

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Re: linux kernel does not bring up!!

[Alex Zeffertt]

> VFS: Mounted root (ext2 filesystem).
> Freeing unused kernel memory: 76k init
> init started:  BusyBox v0.60.5 (2005.06.06-14:19+0000) multi-call binary
> rm: cannot remove `/www/log/seriald_started.log': No such file or directo=
ry
>=20
> but this message just print once ,what's the problem with the board ,does=
 it destroy

Re: linux kernel does not bring up!!

[Alex Zeffertt]

On Wed, 31 Aug 2005 15:05:24 +0800
"lily" <lichanjuan04@st.lzu.edu.cn> wrote:

> ET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
> RAMDISK: Compressed image found at block 0
> Freeing initrd memory: 1691k freed
> VFS: Mounted root (ext2 filesystem).
> Freeing unused kernel memory: 76k init
> init started:  BusyBox v0.60.5 (2005.06.06-14:19+0000) multi-call binary
> rm: cannot remove `/www/log/seriald_started.log': No such file or directory
> 
> but this message just print once ,what's the problem with the board ,does it destroy
> there is somebody give me some suggestion what i do next.Thanks !!

This question is off topic here.

You need to read "man init" and "man inittab" and your /etc/inittab to find out which startup
scripts are being called.  You can then find the script which is attempting to remove the
nonexistent file, and fix it (e.g. by using rm -f instead).

This list cannot help any further as this is not related to the PPC port of linux.

Alex