scale使用ksymoops分析oops信息

使用

ksymoops

分析

oops

信息

代码示例片段

/* Entry point for loading the module */

int smsc911x_init_module(void)

{

int retval;

int i = 0;

printk(

for (i=0; i

gl_dev[i] = alloc_etherdev(sizeof(struct smsc911x_data));

if (!gl_dev[i]) {

printk(KERN_WARNING

SMSC_CHIPNAME);

return -ENOMEM;

}

smsc911x_membank_init(lan9 11x_instances[i].phy_base);

smsc911x_drv_probe(gl_dev[i], &lan911x_instances[i]);

retval = register_netdev(gl_dev[i]);

if (retval) {

printk(

} else {

printk(

}

}

return retval;

}

1.

下

载

2.

抓取内核打印的

oops

信息，保存为

文件

ksymoops

源

码

后

，

< br>使

用

make

DEF_TAR GET='

DEF_ARCH='

编译；

Unable to handle kernel NULL pointer dereference at virtual address 00000000

pgd = c0004000

*pgd = 00000000, *pmd = 00000000

Internal error: Oops: 0

CPU: 0

pc : []

lr : []

Not tainted

sp : c0fe9f9c

ip : c0fe9fc0

fp : c0fe9fbc

r10: 30015900

r9 : 41129200

r8 : c0178c40

r7 : 00000000

r6 : c0188bd8

r5 : c01bbe88

r4 : c001b9c0

r3 : c001b9ec

r2 : c0ff6580

r1 : 00000020

r0 : c01638e4

Flags: Nzcv

IRQs on

FIQs on

Mode SVC_32

Segment kernel

Control: C000317F

Table: 30004000

DAC: 0000001D

Process swapper (pid: 1, stackpage=c0fe9000)

Stack: (0xc0fe9f8c to 0xc0fea000)

9f80:

c0008920 c00cfa1c 80000013 ffffffff c001b9c0

9fa0: c01bbe88 c0188bd8 c0188bc0 c0178c40 c0fe9fd0 c0fe9fc0 c0008920 c00cfa18

9fc0: 00000000 c0fe9fe0 c0fe9fd4 c0008968 c0008918 c0fe9ff4 c0fe9fe4 c001c064

9fe0: c000894c 00000000 00000000 c0fe9ff8 c001d9e8 c001c064 ffffffff df7fffff

Backtrace:

Function entered at [] from []

r8 = C0178C40

r7 = C0188BC0

r6 = C0188BD8

r5 = C01BBE88

r4 = C001B9C0

Function entered at [] from []

r4 = 00000000

Function entered at [] from []

Function entered at [] from []

r4 = 00000000

Code: e92dd9f0 e24cb004 e3a07000 e59f0098 (e5971000)

3.

ksymoops

-v

/home/liulf/my- project/wfos-linux-2.4.18/vmlinux

-K

-L

-O

-m

/home/liulf/my- project/wfos-linux-2.4.18/

ksymoops 2.4.11 on i686 2.6.20-16-generic.

Options used

-v /home/liulf/my-project/wfos-linux-2.4.18/vmlinux (specified)

-K (specified)

-L (specified)

-O (specified)

-m /home/liulf/my-project/wfos-linux-2.4.18/ (specified)

-t elf32-littlearm -a armv4

Unable to handle kernel NULL pointer dereference at virtual address 00000000

*pgd = 00000000, *pmd = 00000000

Internal error: Oops: 0

CPU: 0