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楼主  发表于: 2011-12-09 12:46

 内核启动信息  求解读


Uncompressing Linux.............................................................................................................................. done, booting the kernel.
Linux version 2.6.32.9 (root@zhang-virtual-machine) (gcc version 4.4.2 (UC4_1.0-beta_20100415) ) #1 Fri Dec 9 09:36:16 CST 2011
CPU: UniCore II 32-bit processor [4d180863] revision 8 (UniCore v2), cr=0000201f
Machine: SEP0611 board
SEP0611 clock driver initialized.(version 1.0)
Unicore :804MHz
DDR2    :348MHz
AHB     :240MHz
APB     :60MHz
Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 65024
Kernel command line: root=/dev/nfs rw nfsroot=192.168.0.3:/nfs,v3 ip=192.168.0.2:192.168.0.3:192.168.0.1:255.255.255.0:sep0611:eth0:off console=ttyS0,115200 mem=256mb
PID hash table entries: 1024 (order: 0, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Reserve 0x100000 Bytes memory at 0x40F00000 for PMU SLEEPMODE.
Reserve 0x80000 Bytes memory at 0x41000000 for SEP onchip GPS.
Memory: 256MB = 256MB total
Memory: 253568KB available (3640K code, 801K data, 116K init, 0K highmem)
Hierarchical RCU implementation.
NR_IRQS:64
Console: colour dummy device 80x25
Calibrating delay loop... 800.76 BogoMIPS (lpj=1601536)
Mount-cache hash table entries: 512
devtmpfs: initialized
NET: Registered protocol family 16
bio: create slab <bio-0> at 0
SCSI subsystem initialized
cfg80211: Using static regulatory domain info
cfg80211: Regulatory domain: US
        (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
        (2402000 KHz - 2472000 KHz @ 40000 KHz), (600 mBi, 2700 mBm)
        (5170000 KHz - 5190000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5190000 KHz - 5210000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5210000 KHz - 5230000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5230000 KHz - 5330000 KHz @ 40000 KHz), (600 mBi, 2300 mBm)
        (5735000 KHz - 5835000 KHz @ 40000 KHz), (600 mBi, 3000 mBm)
cfg80211: Calling CRDA for country: US
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
sep_pm_init
ashmem: initialized
yaffs Dec  9 2011 09:32:51 Installing.
msgmni has been set to 495
alg: No test for stdrng (krng)
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Serial: 8250/16550 driver, 3 ports, IRQ sharing disabled
serial8250.0: ttyS0 at MMIO 0xb1000000 (irq = 42) is a 16550A
console [ttyS0] enabled
serial8250.0: ttyS1 at MMIO 0xb1001000 (irq = 43) is a 16550A
serial8250.0: ttyS2 at MMIO 0xb1002000 (irq = 44) is a 16550A
serial8250 serial8250.0: unable to register port at index 3 (IO0 MEMb1003000 IRQ45): -28
brd: module loaded
loop: module loaded
SEP0611 NAND Driver v1.1
ID: 0xadad, 0xd7d7, 0x9494, 0x9a9a, 0x7474, 0x4242
bus_type=1
ChipSize=2048MBytes, BlockSize=2048KBytes, PageSize=8192Bytes, SpareSize=448Bytes
ecc_steps=16, ecc_mode=1
HCLK=4, tCLS=12, tALS=12, tWC=25, tWP=12, tWH=10, tRC=25, tRP=12, tREH=10
TACLS=0, TWRPH0=4, TWRPH1=3
NAND device: Manufacturer ID: 0xadad, Chip ID: 0xd7d7 (Hynix NAND 4G 3.3V 8-bit)
Unable to handle kernel paging request at virtual address 803fc484
pgd = c0007000
[803fc484] *pgd=00000000
Internal error: Oops: 5 [#1]
last sysfs file:
Modules linked in:
CPU: 0    Not tainted  (2.6.32.9 #1)
PC is at update_wall_time+0x6e0/0x7c0
LR is at update_wall_time+0x6d0/0x7c0
pc : [<c0053118>]    lr : [<c0053108>]    psr: 80000093
sp : c03b5e60  ip : 00000018  fp : 00000000
r26: 00000000  r25: c03fc4c0  r24: 3b9ac9ff
r23: c03fc49c  r22: 00000000  r21: 00000000  r20: 00000000
r19: 00000001  r18: 00000001  r17: 803fc480  r16: d019bf5a
r15: c03fc49c  r14: c03fc4b8  r13: 00000024  r12: c03fc4b8
r11: 3d08ff56  r10: c03fc4b8  r9 : 00000024  r8 : 3d580155
r7 : 243d5802  r6 : 24004f00  r5 : 00000000  r4 : ffffffff
r3 : ffffffe8  r2 : 00000008  r1 : 00000000  r0 : 243d5802
Flags: Szcv  INTR off  REAL on  Mode PRIV  ISA UniCore-II  Segment kernel
Control: 0000201f  Table: 40007000
Process swapper (pid: 0, stack limit = 0xc03b4140)
Stack: (0xc03b5e60 to 0xc03b6000)
5e60: c03fc4b8 ffffffff 00000024 3d580155 00000056 00000000 00000000 c0033d14
5e80: ffffffa6 c03da004 c0021e0c c03b2014 00000038 00000000 00000000 c03bbcb0
5ea0: c00084ac c03fc470 c06880c0 c0041318 c00294c0 c0021e0c c03b2014 00000038
5ec0: 00000000 00000000 00000038 c03b7e68 c002d460 00000000 c005f0a4 c03fd6e8
5ee0: c03b7de4 c002d3b4 00000038 c03bd048 c0060d4c 00000546 60000013 00000000
5f00: c03bd048 00000038 c0025070 c03da288 c03b79a0 c03b4000 c00259f4 c8019c40
5f20: 00000002 c03b4000 ffffffff 00000000 00000000 00000000 00000000 00000000
5f40: 057bcf00 a0000093 a0000093 00000003 a0000013 80000000 60000013 d019bf5a
5f60: ffffffa6 c03da004 c0021e0c c03b2014 00000546 60000013 c03da288 c03b79a0
5f80: c00084ac c03b4000 c06880c0 c03b5f58 c03b5fa4 c0026984 c0026990 60000013
5fa0: ffffffff c0026e88 000059a6 0059ffa6 c0021804 c03fdba0 c0008a04 c00084ac
5fc0: 00000000 c0021e0c 400001b0 40000114 40000114 4045403c 40000100 40808000
5fe0: 000009fc 403dbf94 00000027 00000000 00000000 40008038 00000000 00000000
Backtrace: no frame pointer
Code: 2801c001 79b88004 1a000007 1a007e80 (7889c004)
---[ end trace 8c08535d47e4579b ]---
Kernel panic - not syncing: Fatal exception in interrupt

内核没有起来   貌似在nand驱动这挂掉了  具体看不懂  求高人指点下 打印信息的意思 谢谢
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1楼  发表于: 2011-12-09 13:00

 Re:内核启动信息 求解读

什么板子
新手如何向我们反馈有效的信息,以便解决问题,见此贴:
http://www.arm9home.net/read.php?tid-14431.html

[注]: 此处签名链接仅为指引方向,而非解答问题本身.
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2楼  发表于: 2011-12-09 13:13

 Re:内核启动信息 求解读

sep6200   不是arm核  用的是unicore的核
^很多问题的背后都是简单的原因......
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3楼  发表于: 2011-12-09 13:40

 Re:内核启动信息 求解读

找到 update_wall_time ,在里面增加打印看看能不能找出是哪里导致异常的
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4楼  发表于: 2011-12-09 16:58

 Re:内核启动信息 求解读

NAND device: Manufacturer ID: 0xadad, Chip ID: 0xd7d7 (Hynix NAND 4G 3.3V 8-bit)

ID: 0xadad, 0xd7d7, 0x9494, 0x9a9a, 0x7474, 0x4242

ChipSize=2048MBytes, BlockSize=2048KBytes, PageSize=8192Bytes, SpareSize=448Bytes

请检查,明显对应不上去。block size 好大。目前也只有MLC flash才有这么大的block。
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5楼  发表于: 2011-12-14 18:22

 Re:内核启动信息 求解读

803fc484看上去像是io的物理地址,没有映射就直接用了?
"If you have an apple and I have an apple and we exchange apples, then you and I will
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6楼  发表于: 2011-12-16 10:40

 Re:内核启动信息 求解读

现在有时系统能够起来  有时起不来  

这里的Unable to handle kernel paging request at virtual address 803fc484的虚拟地址每次都不一样
PC is at update_wall_time+0x6e0/0x7c0  pc的位置也在变化  

都不知道该怎么定位了