Re: Creating new System.map with modules symbol info

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On Tue, 8 Nov 2005, Adayadil Thomas wrote:

> I am trying to use lcrash to debug a panic
>
> I have the System.map of the original kernel (without modules loaded),
> Kerntypes file and the dump file
>
>    <4>Modules linked in: ip_conntrack_dos
>    <4>CPU:    0
>    <4>EIP:    0060:[<f8bb245b>]    Tainted: P      VLI
>    <4>EFLAGS: 00010246   (2.6.12)
>    <4>EIP is at init_conntrack_syn+0x193/0x214 [ip_conntrack_dos]
>    <4>eax: dd0f34b3   ebx: f48de908   ecx: f48de900   edx: 00000000
>    <4>esi: f4c65bc8   edi: f48de900   ebp: 00100100   esp: c040dae0
>    <4>ds: 007b   es: 007b   ss: 0068
>
>
> If i Use the original System.map, it doesnt find the symbol for the
> init_conntrack_syn
> ( EIP is pointing there)
> However, kallsyms has an entry for that
> f8b752c8 t init_conntrack_syn
>
> If kallsyms has all the symbols, I am wondering why does it have lesser lines ?
>
> wc -l
> 12343 kallsyms
> 32127 System.map
>
> Will it work if I cat System.map and kallsyms together and do a sort and uniq
> so that i get the union of both ?
>

Look at the CONTENT of both files! System.map has more information.
You can execute `man nm` to find out what each of the symbol types
mean.

Cheers,
Dick Johnson
Penguin : Linux version 2.6.13.4 on an i686 machine (5589.55 BogoMips).
Warning : 98.36% of all statistics are fiction.
.

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