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uclinux-2.6為什么能看到shell了還有問題！

作者：letter　欄目：嵌入式系統(tǒng)

uclinux-2.6為什么能看到shell了還有問題！
經(jīng)過一段時間的煎熬，終于看到shell了，可是shell總是過幾分鐘輸出：
init: /bin/sh respawning too FAST
我看了啟動信息，發(fā)現(xiàn)運行腳本rc時，/bin/expand命令出錯：
Command: /bin/expand /etc/ramfs.img /dev/ram1
/bin/expand: Bad command or file NAME
認為shell出錯和這個有關，望高指點，多謝。

以下是我的啟動信息：
U-Boot 1.1.4 (Jan 22 2007 - 16:40:53)
U-Boot code: 0C700000 -> 0C719EF8  BSS: -> 0C71E99C
RAM Configuration:
Bank #0: 0c000000  8 MB
FLASH:  2 MB
In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
## Booting image at 00040000 ...
   Image NAME:   Linux-2.6.9
   Created:      2007-01-26   2:50:16 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    659816 Bytes = 644.4 kB
   Load Address: 0c008000
   Entry Point:  0c008000
   Verifying CHECKSUM ... OK
OK
Starting kernel ...
Uncompressing Linux................................................ done, bootin
g the kernel.
Linux version 2.6.9-hsc0 (root@localhost.localdomain) (gcc version 2.95.3 200103
15 (release)(ColdFire patches - 20010318 from http://fiddes.net/coldfire/)(uClin
ux XIP and shared lib patches from http://www.snapgear.com/)) #48 Fri Jan 26 10:
47:23 CST 2007
CPU: Samsung-S3C44B0x [44b07700] revision 0 (ARMv4T)
Machine: S3C44B0X Development Board
Built 1 zonelists
Kernel command LINE: root=/dev/ram0 initrd=0x0c13c53c,120K console=ttyS0,115200                                                   &

2樓：	>>參與討論
作者： wangkj 于 2007/2/1 20:28:00 發(fā)布：文件系統(tǒng)的問題

3樓：	>>參與討論
作者： letter 于 2007/2/1 20:52:00 發(fā)布：該如何解決？內核是2.6.9的。

4樓：	>>參與討論
作者： wangkj 于 2007/2/1 21:10:00 發(fā)布：換個文件系統(tǒng)，可能是inittab的問題或者init的問題

5樓：	>>參與討論
作者： letter 于 2007/2/1 21:44:00 發(fā)布：我的inittab是空的。 inittab: #inet:UNKNOWN:/bin/inetd #boa:UNKNOWN:/bin/boa

6樓：	>>參與討論
作者： wangkj 于 2007/2/2 8:32:00 發(fā)布：我只是給你提示問題還需要你自己解決，這是一個常見問題。我是直接換的文件系統(tǒng)，沒找具體原因。

7樓：

>>參與討論

作者： letter 于 2007/2/2 16:03:00 發(fā)布：

今天換了一個文件系統(tǒng)，還是expand有問題。
今天自己做了一ramdisk， Read-only file SYSTEM問題沒了，但是還是有二處問題。
第一處：
Command: /bin/expand /etc/ramfs.img /dev/ram1
Can't open expanded file /dev/ram1
pid 11: failed 768
第二處：
Command: mount -t proc proc /proc
Command: mount -t ext2 /dev/ram1 /var
mount failed: No such file or directory
都和ram1有關，我想ram1是不是有問題？

全部信息：

U-Boot 1.1.4 (Jan 22 2007 - 16:40:53)

U-Boot code: 0C700000 -> 0C719EF8  BSS: -> 0C71E99C
RAM Configuration:
Bank #0: 0c000000  8 MB
FLASH:  2 MB
In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
=>  bootm 40000 140000
## Booting image at 00040000 ...
   Image NAME:   Linux-2.6.9
   Created:      2007-02-02  18:21:43 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    605444 Bytes = 591.3 kB
   Load Address: 0c008000
   Entry Point:  0c008000
   Verifying CHECKSUM ... OK
OK
## Loading Ramdisk Image at 00140000 ...
   Image NAME:   Ramdisk
   Created:      2007-02-02  19:02:09 UTC
   Image Type:   ARM Linux RAMDisk Image (gzip compressed)
   Data Size:    77798 Bytes = 76 kB
   Load Address: 0c600000
   Entry Point:  0c600000
   Verifying CHECKSUM ... OK

Starting kernel ...

Uncompressing Linux............................................ done, booting the kernel.
Linux version 2.6.9-hsc0 (root@localhost.localdomain) (gcc version 2.95.3 20010315 (release)(ColdFire patches - 20010318 from http://fiddes.net/coldfire/)(uClinux XIP and shared lib patches from http://www.snapgear.com/)) #62 Fri Feb 2 13:08:52 EST 2007
CPU: SAMSUNG-S3C44B0x [44b07700] revision 0 (ARMv4T)
Machine: S3C44B0X.html">S3C44B0X Development Board
Built 1 zonelists
Kernel command LINE: root=/dev/ram0 rw initrd=0x0c600000,800K.html">800K console=ttyS0,115200
PID hash table entries: 64 (order: 6, 1024 bytes)
Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
MEMORY: 8MB = 8MB total
MEMORY: 5864KB available (1194K code, 164K data, 56K init)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
checking if image is initramfs...it isn't (no cpio MAGIC); looks like an initrd
Freeing initrd MEMORY: 800K
NET: Registered protocol family 16
init_module
SAMSUNG S3C44B0 RTL8019AS driver version 0.1 (2002-02-20) <hzh12@163.net>
init
eth0: 12:34:56:78:90:ab
get_stats
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
ttyS0 at I/O 0x1d00000 (irq = 3) is a SAMSUNG S3C44B0 Internal UART
ttyS1 at I/O 0x1d04000 (irq = 2) is a SAMSUNG S3C44B0 Internal UART
RAMDISK driver initialized: 16 RAM disks of 2048K size 1024 blocksize
loop: loaded (max 8 DEVICEs)
Using anticipatory io scheduler
nbd: registered DEVICE at major 43
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 512 bind 512)
NET: Registered protocol family 1
NET: Registered protocol family 17
RAMDISK: Compressed image found at block 0
VFS: Mounted root (ext2 fileSYSTEM).
Mounted devfs on /dev
Freeing init MEMORY: 56K
Shell invoked to run file: /etc/rc
Command: hostNAME SAMSUNG
Command: /bin/expand /etc/ramfs.img /dev/ram1
Can't open expanded file /dev/ram1
pid 11: failed 768
Command: mount -t proc proc /proc
Command: mount -t ext2 /dev/ram1 /var
mount failed: No such file or directory
Command: mkdir /var/config
Command: mkdir /var/tmp
Command: mkdir /var/log
Command: mkdir /var/run
Command: mkdir /var/lock
Command: mkdir /var/empty
Command: cat /etc/motd
Welcome to
          ____ _  _
         /  __| ||_|
    _   _| |  | | _ ____  _   _  _  _
   | | | | |  | || |  _ \| | | |\ \/ /
   | |_| | |__| || | | | | |_| |/    \
   |  ___\____|_||_|_| |_|\____|\_/\_/
   | |
   |_|

For further information check:
http://www.uclinux.org/

Command: ifconfig lo 192.168.1.8
ifconfig: Bad command or file NAME
Command: route add -net 192.168.1.1 netmask 255.255.255.0 lo
route: Bad command or file NAME
Execution Finished, Exiting

Sash command shell (version 1.1.1)
/> init: /bin/sh respawning too FAST

8樓：	>>參與討論
作者： wangkj 于 2007/2/2 16:32:00 發(fā)布： QQ qun:35845232 QQ qun:35845232

9樓：	>>參與討論
作者： wangkj 于 2007/2/2 16:33:00 發(fā)布： 4510-romfs.tgz 試試看吧。 qq

10樓：	>>參與討論
作者： letter 于 2007/2/2 22:03:00 發(fā)布：好的。wangkj，非常感謝你。

11樓：	>>參與討論
作者： wangkj 于 2007/2/3 9:15:00 發(fā)布：如果運行幾個命令后core dump不要奇怪這個好像沒也沒完全作好，但也可能是內核的問題（這個和sst FLASH有關，可能)。

12樓：

>>參與討論

作者： letter 于 2007/2/7 16:04:00 發(fā)布：

原來是配置不對
原來是配置不對而以至文件系統(tǒng)有問題，具體問題我還不知道出在那里。我導入一個現(xiàn)成的內核配置文件就好了，可是shell不能輸入任何字符，這又是什么原因？串口驅動（因為串口驅動是自己搞上去的）？

---------------------------------------------------------------------
bootm 0x0c500000
## Booting image at 0c500000 ...
   Image NAME:   Linux-2.6.9
   Created:      2007-02-07  20:51:00 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1088276 Bytes =  1 MB
   Load Address: 0c008000
   Entry Point:  0c008000
   Verifying CHECKSUM ... OK
OK

Starting kernel ...

Uncompressing Linux......................................................................... done, booting the kernel.
Linux version 2.6.9-hsc0 (root@localhost.localdomain) (gcc version 2.95.3 20010315 (release)(ColdFire patches - 20010318 from http://fiddes.net/coldfire/)(uClinux XIP and shared lib patches from http://www.snapgear.com/)) #62 Wed Feb 7 15:43:21 EST 2007
CPU: SAMSUNG-S3C44B0x [44b07700] revision 0 (ARMv4T)
Machine: S3C44B0X.html">S3C44B0X Development Board
Built 1 zonelists
Kernel command LINE: root=/dev/ram0 initrd=0x0c136600,969k console=ttyS0,115200
PID hash table entries: 64 (order: 6, 1024 bytes)
Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
MEMORY: 8MB = 8MB total
MEMORY: 5776KB available (2126K code, 122K data, 52K init)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
checking if image is initramfs...it isn't (ungzip failed); looks like an initrd
Freeing initrd MEMORY: 969K
NET: Registered protocol family 16
init_module
SAMSUNG S3C44B0 RTL8019AS driver version 0.1 (2002-02-20) <hzh12@163.net>
init
eth0: 12:34:56:78:90:ab
get_stats
ttyS0 at I/O 0x1d00000 (irq = 3) is a SAMSUNG S3C44B0 Internal UART
ttyS1 at I/O 0x1d04000 (irq = 2) is a SAMSUNG S3C44B0 Internal UART
RAMDISK driver initialized: 16 RAM disks of 1024K size 1024 blocksize
loop: loaded (max 8 devices)
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 512 bind 512)
NET: Registered protocol family 1
NET: Registered protocol family 17
RAMDISK: romfs filesystem found at block 0
RAMDISK: Loading 969KiB [1 disk] into ram disk... done.
VFS: Mounted root (romfs filesystem) readonly.
Freeing init MEMORY: 52K
Shell invoked to run file: /etc/rc
Command: hostname senglen
Command: /bin/expand /etc/ramfs.img /dev/ram1
Command: mount -t proc proc /proc
Command: mount -t ext2 /dev/ram1 /var
Command: mkdir /var/config
Command: mkdir /var/tmp
Command: mkdir /var/log
Command: mkdir /var/run
Command: mkdir /var/lock
Command: mkdir /var/empty
Command: cat /etc/motd
Welcome to
          ____ _  _
         /  __| ||_|
    _   _| |  | | _ ____  _   _  _  _
   | | | | |  | || |  _ \| | | |\ \/ /
   | |_| | |__| || | | | | |_| |/    \
   |  ___\____|_||_|_| |_|\____|\_/\_/
   | |
   |_|

For further information check:
http://www.uclinux.org/

Execution Finished, Exiting

Sash command shell (version 1.1.1)
/> （不能接受任何字符，怪）

13樓：

>>參與討論

作者： letter 于 2007/2/8 10:24:00 發(fā)布：

原來是串口驅動問題
現(xiàn)在問題解決了，是串口的中斷的接收入口不對，改為正確的就好了。謝謝wangkj的幫助。

---------------------------------------------------------------------
U-Boot 1.1.4 (Jan 22 2007 - 16:40:53)

U-Boot code: 0C700000 -> 0C719EF8  BSS: -> 0C71E99C
RAM Configuration:
Bank #0: 0c000000  8 MB
FLASH:  2 MB
In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
## Booting image at 00040000 ...
   Image NAME:   Linux-2.6.9
   Created:      2007-02-08  14:54:44 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    1086152 Bytes =  1 MB
   Load Address: 0c008000
   Entry Point:  0c008000
   Verifying CHECKSUM ... OK
OK

Starting kernel ...

Uncompressing Linux......................................................................... done, booting the kernel.
Linux version 2.6.9-hsc0 (root@localhost.localdomain) (gcc version 2.95.3 20010315 (release)(ColdFire patches - 20010318 from http://fiddes.net/coldfire/)(uClinux XIP and shared lib patches from http://www.snapgear.com/)) #63 Thu Feb 8 09:36:06 EST 2007
CPU: SAMSUNG-S3C44B0x [44b07700] revision 0 (ARMv4T)
Machine: S3C44B0X.html">S3C44B0X Development Board
Built 1 zonelists
Kernel command LINE: root=/dev/ram0 initrd=0x0c136600,968k console=ttyS0,115200
PID hash table entries: 64 (order: 6, 1024 bytes)
Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
MEMORY: 8MB = 8MB total
MEMORY: 5776KB available (2125K code, 123K data, 52K init)
Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
checking if image is initramfs...it isn't (ungzip failed); looks like an initrd
Freeing initrd MEMORY: 968K
NET: Registered protocol family 16
init_module
SAMSUNG S3C44B0 RTL8019AS driver version 0.1 (2002-02-20) <hzh12@163.net>
init
eth0: 12:34:56:78:90:ab
get_stats
ttyS0 at I/O 0x1d00000 (irq = 3) is a SAMSUNG S3C44B0 Internal UART
ttyS1 at I/O 0x1d04000 (irq = 2) is a SAMSUNG S3C44B0 Internal UART
RAMDISK driver initialized: 16 RAM disks of 1024K size 1024 blocksize
loop: loaded (max 8 devices)
NET: Registered protocol family 2
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 512 bind 512)
NET: Registered protocol family 1
NET: Registered protocol family 17
RAMDISK: romfs filesystem found at block 0
RAMDISK: Loading 968KiB [1 disk] into ram disk... done.
VFS: Mounted root (romfs filesystem) readonly.
Freeing init MEMORY: 52K
Shell invoked to run file: /etc/rc
Command: hostname ucan
Command: /bin/expand /etc/ramfs.img /dev/ram1
Command: mount -t proc proc /proc
Command: mount -t ext2 /dev/ram1 /var
Command: mkdir /var/config
Command: mkdir /var/tmp
Command: mkdir /var/log
Command: mkdir /var/run
Command: mkdir /var/lock
Command: mkdir /var/empty
Command: cat /etc/motd
Welcome to
          ____ _  _
         /  __| ||_|
    _   _| |  | | _ ____  _   _  _  _
   | | | | |  | || |  _ \| | | |\ \/ /
   | |_| | |__| || | | | | |_| |/    \
   |  ___\____|_||_|_| |_|\____|\_/\_/
   | |
   |_|

For further information check:
http://www.uclinux.org/

Command: ifconfig lo 192.168.1.8
Command: route add -net 192.168.1.1 netmask 255.255.255.0 lo
route: netmask and route address conflict
pid 15: failed 256
Execution Finished, Exiting
init: Booting to SINGLE user mode

Sash command shell (version 1.1.1)
/> ls
bin
dev
etc
home
lib
mnt
proc
sbin
tmp
usr
var
/>

參與討論

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