znote support oopses non-notebook computer on boot

Romieu Fran{c}ois (romieu@ensta.fr)
Sun, 3 Jan 1999 12:21:29 +0100


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I tried and build a kernel including everything either as module
( when available and not conflicting cf fast-switching option ) or built-in.
It doesn't seem to be a rich idea :

<---- boot-time oops ---->
Unable to handle kernel paging request at virtual adrress 000f0000
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010 [<c01eda10>]
EFLAGS: 00010246
eax: c01eda00 ebx: c01dd2a4 ecx: 000003c0 edx: 00000360
esi: c01dd2a4 edi: 00000000 ebp: 000f0000 esp: c0003f80
Process swapper (pid: 1, process nr: 1, stackpage=c0003000)
Stack: 00000000 00000a00 c01ec077 c01dd2a4 c01dd2a4 00000000 c0106000 c01ec16f
c01dd2a4 c01f1074 c01dd2a4 c01de52c c01e81f5 c01dd2a4 00000f00 00000001
c01ea168 00000f00 00000001 c0106000 00000e00 c01e4c0f 00000f00 c01e3df4
Call Trace: [<c0106000>] [<c0106000>] [<c010615f>] [<c01074d3>]
Code: 80 7d 00 4e 75 24 89 ee bf 2f e6 1b c0 b9 08 00 00 00 fc 49

Thus :
<---- ksymoops processing ---->
[root@octave scripts]# ./ksymoops ../System.map <toto
Using `../System.map' to map addresses to symbols.

>>EIP: c01eda10 <znet_probe+10/28c>
Code: c01eda10 <znet_probe+10/28c>
Code: c01eda10 <znet_probe+10/28c> 80 7d 00 4e cmpb $0x4e,0x0(%ebp)
Code: c01eda14 <znet_probe+14/28c> 75 24 jne c01eda3a <znet_probe+3a/28c>
Code: c01eda16 <znet_probe+16/28c> 89 ee movl %ebp,%esi
Code: c01eda18 <znet_probe+18/28c> bf 2f e6 1b c0 movl $0xc01be62f,%edi
Code: c01eda1d <znet_probe+1d/28c> b9 08 00 00 00 movl $0x8,%ecx
Code: c01eda22 <znet_probe+22/28c> fc cld
Code: c01eda23 <znet_probe+23/28c> 49 decl %ecx

<---- excerpt from `objdump -S znet.o` ---->
Disassembly of section .text.init:

00000000 <znet_probe>:
0: 55 pushl %ebp
1: 57 pushl %edi
2: 56 pushl %esi
3: 53 pushl %ebx
4: 8b 5c 24 14 movl 0x14(%esp,1),%ebx
8: bd 00 00 0f 00 movl $0xf0000,%ebp
d: 8d 76 00 leal 0x0(%esi),%esi
10: 80 7d 00 4e cmpb $0x4e,0x0(%ebp)

<---- excerpt from znet.c ---->
__initfunc(int znet_probe(struct device *dev))
{
int i;
struct netidblk *netinfo;
char *p;

/* This code scans the region 0xf0000 to 0xfffff for a "NETIDBLK". */
for(p = (char *)0xf0000; p < (char *)0x100000; p++)
if (*p == 'N' && strncmp(p, "NETIDBLK", 8) == 0)
break;

*head scratch*
Should I assume it's better to ignore this driver if I want to work
with an asus p55t2p4 motherboard ?

Ueimor

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