Kernel 2.4.0 and Doc2000

Kernel 2.4.0 and Doc2000

[Yunus Shaikh]

Hello all

I am a new member to this list. I am using kernel 2.4.0 with the latest
mtd-patch .
initially i mt nftla would not be mounted at all . Thanks to David for help
it finally
started mounting. after removing the erase mark check in nftlmount.c. now my
problem
when i write data in to the doc i get most of the time i get errors like
Error Programming Flash
and also most of the time
Unable to handle kernel NULL Pointer dereference at virtual adress 00000000
and code: Bad EIP value

but the chips work well with m-sys drivers . i cannot upgrade the kernel. as
some patches of
the video card dont work with older kernels PLEASE HELP

Thanks in advance

Re: Kernel 2.4.0 and Doc2000

[David Woodhouse]

yshaikh@start-icon.com said:
> when i write data in to the doc i get most of the time i get errors
> like Error Programming Flash 

Is it a DiskOnChip 2000 or a DiskOnChip Millennium?

> Unable to handle kernel NULL Pointer dereference at virtual adress 00000000
> code: Bad EIP value

You need to feed the whole of that through ksymoops or it's useless to us.



--
dwmw2

Re: Kernel 2.4.0 and Doc2000

[Yunus Shaikh]

>
> Is it a DiskOnChip 2000 or a DiskOnChip Millennium?

it is Diskonchip 2000 version 1.23 16MB
>
> > Unable to handle kernel NULL Pointer dereference at virtual adress
00000000
> > code: Bad EIP value
>
> You need to feed the whole of that through ksymoops or it's useless to us.

Unable to handle kernel NULL pointer dereference at virtual address 00000000
 printing eip:
00000000
*pde = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<00000000>]
EFLAGS: 00010012
eax: c30c7e5c   ebx: c028a474   ecx: 00005d01   edx: c028a46c
esi: c028a45c   edi: 00000001   ebp: c30e2440   esp: c30c7e24
ds: 0018   es: 0018   ss: 0018
Process umount (pid: 507, stackpage=c30c7000)
Stack: c015ec49 c028a45c c30c7e5c c30e2440 00000001 c30c7e60 c30c7e64
001e8480
       c028a474 c028a46c 00000000 00000000 00000002 00000008 00000000
000000fe
       000000fe c3193660 c31415a0 c3d42d00 c011f65c c31b1e20 c3d42d00
c31b1be0
Call Trace: [<c015ec49>] [<c011f65c>] [<c011f70f>] [<c015f2ba>] [<c012ffb3>]
[<c015f329>] [<c015f4f7>]
       [<c012f034>] [<c01389cc>] [<c012f153>] [<c01337d1>] [<c013395b>]
[<c012df13>] [<c012077b>] [<c013399c>]
       [<c0108fb3>]

Code:  Bad EIP value.
Segmentation fault

this is what i get but i tried doing Nand flash device drivers ->
[*]    Enable Nand device support
[*]   Enable ECC correction algorithm
[*]   Verify Nand pages

with the above the error had reduced i mean i cud do some wirting but now it
has again started

Kindly help

regards and sorry for the long mail

Re: Kernel 2.4.0 and Doc2000

[David Woodhouse]

yshaikh@start-icon.com said:
> > > Unable to handle kernel NULL pointer dereference at virtual address 00000000
> >  You need to feed the whole of that through ksymoops or it's useless to us. 
> Unable to handle kernel NULL pointer dereference at virtual address 00000000

You need to feed the whole of that through ksymoops or it's useless to us. 

Read Documentation/oops-tracing.txt

--
dwmw2