Re: Difference between System.map and /proc/kallsyms

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On 08-Mar-2015, at 11:00 pm, Jamal <md.jamalmohiuddin@xxxxxxxxx> wrote:

> Hi..
> 
> After reading Documentation on System.map, i understood that , whenever 
> an oops happens the following addresses  will be converted to its 
> function name by klogd daemon using System.map.
> 
> Now when we have /proc/kallsyms which stores the symbol table in the 
> kernel image itself.Then what is the need of System.map file??Is any 
> process or daemon still using it??

My 2 cents. 

No.

However, Since kallsyms bloats the kernel and makes it larger production kernel may not have it. 
In such case it will rely on System.map and ksymsoops for decoding oops messages.

> 
> Regards,
> Md.Jamal

Thanks 

> 
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