内核启动问题

Valima · 发表于 2006-12-12 18:51:05

我用的S3C2410，linux2.4内核，cramfs作为根文件系统，将norflash分三个区，分别放bootloader,kernel,cramfs .我的问题是在系统启动后，挂载文件后，执行到解压文件系统后就死机了，（在执行unlock_kernel（）函数内出错），蜂鸣器狂叫。从屏幕打印信息看，似乎在读取cramfs时也不正常，只读了两个16K且不连续。屏幕打印信息：
Uncompressing Linux................................................................ done, booting the kernel.

Linux version 2.4.18-rmk7-pxa1 ([email protected]) (gcc version 2.95.3 20010315 (release)) #47 二 12月 12 15:55:49 CST 2006

CPU: ARM/CIRRUS Arm920Tsid(wb) revision 0

Machine: Samsung-SMDK2410

On node 0 totalpages: 2048

zone(0): 2048 pages.

zone(1): 0 pages.

zone(2): 0 pages.

Kernel command line: root=/dev/mtdblock2 load_ramdisk=0 init=/linuxrc console=ttyS0 mem=8M devfs=mount

DEBUG: timer count 15626

Console: colour dummy device 80x30

Calibrating delay loop... 99.94 BogoMIPS

Memory: 8MB = 8MB total

Memory: 5884KB available (1723K code, 338K data, 72K init)

Dentry-cache hash table entries: 1024 (order: 1, 8192 bytes)

Inode-cache hash table entries: 512 (order: 0, 4096 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: 2048 (order: 1, 8192 bytes)

POSIX conformance testing by UNIFIX

Linux NET4.0 for Linux 2.4

Based upon Swansea University Computer Society NET3.039

Initializing RT netlink socket

CPU clock = 200.000 Mhz, HCLK = 100.000 Mhz, PCLK = 50.000 Mhz

Initializing S3C2410 buffer pool for DMA workaround

S3C2410 USB Controller Core Initialized

USB Function Character Driver Interface - 0.5, (C) 2001, Extenex Corp.

usbctl: Opened for usb-char

usbctl: Started for usb-char

Starting kswapd

devfs: v1.10 (20020120) Richard Gooch ([email protected])

devfs: boot_options: 0x1

tts/00 at I/O 0x50000000 (irq = 52) is a S3C2410

tts/01 at I/O 0x50004000 (irq = 55) is a S3C2410

tts/02 at I/O 0x50008000 (irq = 5

is a S3C2410

Console: switching to colour frame buffer device 30x40

Installed S3C2410 frame buffer

pty: 256 Unix98 ptys configured

s3c2410-ts initialized

s3c2410-pwm initialized

S3C2410 Real Time Clock Driver v0.1

block: 64 slots per queue, batch=16

RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize

cs89x0: no cs8900 or cs8920 detected.Be sure to disable PnP with SETUP

loop: loaded (max 8 devices)

PPP generic driver version 2.4.1

PPP BSD Compression module registered

Linux video capture interface: v1.00

SCSI subsystem driver Revision: 1.00

physmap flash device: 0 at 0

Enter ioremap in asm-mips64//io.h/nFailed to ioremap

s3c2410 flash device: 400000 at 0

Enter ioremap in asm-mips64//io.h/n<6>Search for id

74 ea00) interleave(1) type(2)

Search for id

74 00) interleave(2) type(1)

Search for id

bf 5b) interleave(2) type(1)

MTD jedec_match(): Check fit 0x00000000 + 0x00400000 = 0x00400000

MTD jedec_match(): 0x00bf 0x235b 4194304KiB doesn't fit

MTD jedec_match(): Check fit 0x00000000 + 0x00100000 = 0x00100000

MTD jedec_match(): check unlock addrs 0x5555 0x2aaa

MTD jedec_match(): check ID's disappear when not in ID mode

MTD jedec_match(): return to ID mode

MTD jedec_probe_chip(): matched device 0xbf,0x5b unlock_addrs: 0x5555 0x2aaa

Found: SST 49LF080A

s3c2410 flash device: Found 2 x8 devices at 0x0 in 16-bit mode

number of JEDEC chips: 1

Using word write method

cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.

Creating 3 MTD partitions on "s3c2410 flash device":

0x00000000-0x00040000 : "reserved for bootloader"

mtd: Giving out device 0 to reserved for bootloader

0x00040000-0x00140000 : "reserved for kernel"

mtd: Giving out device 1 to reserved for kernel

0x00140000-0x00400000 : "reserved for cramfs"

mtd: partition "reserved for cramfs" extends beyond the end of device "s3c2410 flash device" -- size truncated to 0xc0000

mtd: Giving out device 2 to reserved for cramfs

usb.c: registered new driver usbdevfs

usb.c: registered new driver hub

usb-ohci.c: USB OHCI at membase 0xe9000000, IRQ 26

usb.c: new USB bus registered, assigned bus number 1

hub.c: USB hub found

port #1 suspened!

port #0 alived!

hub.c: 1 port detected

usb.c: registered new driver usb_mouse

usbmouse.c: v1.6:USB HID Boot Protocol mouse driver

usb.c: registered new driver keyboard

usbkbd.c: :USB HID Boot Protocol keyboard driver

mice: PS/2 mouse device common for all mice

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 512 bind 512)

NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.

NetWinder Floating Point Emulator V0.95 (c) 1998-1999 Rebel.com

prepare_namespace()Finished!

mtdblock_open

ok

mtdblock_open

mtdblock: read on "reserved for cramfs" at 0x400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x600, size 0x200

mtdblock_release

ok

mtdblock_open

mtdblock: read on "reserved for cramfs" at 0x0, size 0x200

mtdblock: read on "reserved for cramfs" at 0x200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x800, size 0x200

mtdblock: read on "reserved for cramfs" at 0xa00, size 0x200

mtdblock: read on "reserved for cramfs" at 0xc00, size 0x200

mtdblock: read on "reserved for cramfs" at 0xe00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x1e00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x2e00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x3e00, size 0x200

mtdblock_release

ok

VFS: Mounted root (cramfs filesystem) readonly.

Mounted devfs on /dev

prepare_namespace()Finished!

Freeing init memory: 72K

free_initmem()Finished!

mtdblock: read on "reserved for cramfs" at 0x66000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x66e00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x67e00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x68e00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69000, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69200, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69400, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69600, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69800, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69a00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69c00, size 0x200

mtdblock: read on "reserved for cramfs" at 0x69e00, size 0x200

Error -3 while decompressing!

c01f830c(-1688056)->c0011000(4096)

Kernel panic: No init found. Try passing init= option to kernel.

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