Hello matthew, thx for your response
On Mon, May 26, 2008 at 4:56 AM, Matthew Wilcox <matthew@xxxxxx> wrote:
> On Mon, May 26, 2008 at 03:13:43AM +0700, Iwan Budi Kusnanto wrote:
>> Hello, i recently porting my driver from 2.4.35 to 2.6.X kernel.
>> I meet some strange behaviour with sema_init. This is the code snippet
>>
>> /**
>> * this code is compiled & working in 2.4 kernel.
>> * Compiled in 2.6 but fail in module initialization.
>
> How does it fail? What error messages do you get?
It fail in module initialization. This is output from dmesg
BUG: unable to handle kernel NULL pointer dereference at virtual
address 00000001
printing eip:
c0122297
*pde = 00000000
Oops: 0002 [#1]
PREEMPT
Modules linked in: logDrv services ipv6 loop e100 mii rtc ide_cd cdrom
i2c_i801 serio_raw i2c_core shpchp pci_hotplug intel_agp agpgart
ide_disk ide_generic opti621 it821x via82cxxx cs5535 slc90e66 piix
pdc202xx_old cs5520 hpt34x sc1200 amd74xx triflex cy82c693 rz1000
pdc202xx_new generic aec62xx ns87415 hpt366 trm290 cmd64x serverworks
alim15x3 siimage cs5530 atiixp sis5513 ide_core
CPU: 0
EIP: 0060:[<c0122297>] Not tainted VLI
EFLAGS: 00010282 (2.6.18-dev-ofc #1)
EIP is at init_waitqueue_head+0x3/0xc
eax: 00000001 ebx: 00000000 ecx: 00000000 edx: 00000001
esi: b7e2be5e edi: b7ecb9f9 ebp: cbecbf98 esp: cbecbf4c
ds: 007b es: 007b ss: 0068
Process insmod (pid: 1436, ti=cbeca000 task=cdfdf030 task.ti=cbeca000)
Stack: 00000000 0000000a 00000000 00000009 ceafb1cd ceb30068 0000000d 00000000
00000000 00000019 00000018 0000001a ce8bf7d4 00000001 00000000 cbecbf88
cbecbf88 ceafce80 00000001 cbecbfa8 ce874010 ceafce80 ceafce80 cbeca000
Call Trace:
[<ceafb1cd>] my_log_system_init+0x3d/0x50 [logDrv]
[<ce874010>] my_log_init+0x10/0x33 [logDrv]
[<c012a1d5>] sys_init_module+0x8b/0x18e
[<c0102585>] sysenter_past_esp+0x56/0x79
Code: 13 32 c0 e8 1e 0a 14 00 c7 05 64 13 32 c0 00 00 00 00 8b 1d 68
13 32 c0 b8 7c 04 2b c0 e8 78 13 14 00 89 d8 5b c3 90 90 83 ec 10 <89>
00 89 40 04 83 c4 10 c3 56 53 83 22 fe 9c 5e fa 89 e1 81 e1
EIP: [<c0122297>] init_waitqueue_head+0x3/0xc SS:ESP 0068:cbecbf4c
And this is error message in console.
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: Oops: 0002 [#1]
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: PREEMPT
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: CPU: 0
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: EIP is at init_waitqueue_head+0x3/0xc
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: eax: 00000001 ebx: 00000000 ecx: 00000000 edx: 00000001
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: esi: b7e2be5e edi: b7ecb9f9 ebp: cbecbf98 esp: cbecbf4c
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: ds: 007b es: 007b ss: 0068
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: Process insmod (pid: 1436, ti=cbeca000 task=cdfdf030
task.ti=cbeca000)
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: Stack: 00000000 0000000a 00000000 00000009 ceafb1cd
ceb30068 0000000d 00000000
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: 00000000 00000019 00000018 0000001a ce8bf7d4
00000001 00000000 cbecbf88
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: cbecbf88 ceafce80 00000001 cbecbfa8 ce874010
ceafce80 ceafce80 cbeca000
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: Call Trace:
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: Code: 13 32 c0 e8 1e 0a 14 00 c7 05 64 13 32 c0 00 00
00 00 8b 1d 68 13 32 c0 b8 7c 04 2b c0 e8 78 13 14 00 89 d8 5b c3 90
90 83 ec 10 <89> 00 89 40 04 83 c4 10 c3 56 53 83 22 fe 9c 5e fa 89 e1
81 e1
Message from syslogd@sandbox at Mon May 26 19:19:30 2008 ...
sandbox kernel: EIP: [<c0122297>] init_waitqueue_head+0x3/0xc SS:ESP
0068:cbecbf4c
And i attached my kernel config
Thx
--
Iwan Budi Kusnanto
Attachment:
konfig-18-dev-ofc
Description: Binary data
