Re: Recovering .config from vmlinuz and System.map

From: Paul Rolland (rol@as2917.net)
Date: Tue Feb 18 2003 - 12:09:55 EST

Hello Randy,

Not sure if it's your patch that RH has included, but that was it,
the .config stuff in the kernel...

Thanks very much !

Regards,
Paul

Paul Rolland, rol@witbe.net
Witbe.net SA
Directeur Associe 

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> -----Original Message-----
> From: Randy.Dunlap [mailto:rddunlap@osdl.org] 
> Sent: Tuesday, February 18, 2003 6:01 PM
> To: Paul Rolland
> Cc: linux-kernel@vger.kernel.org
> Subject: Re: Recovering .config from vmlinuz and System.map
> 
> 
> On Tue, 18 Feb 2003 15:29:16 +0100
> "Paul Rolland" <rol@as2917.net> wrote:
> 
> | I've a box running a linux 2.4.18-14 (RH stuff), for which 
> I've lost 
> | the .config file...
> | 
> | I've gone through a long .config recovery process by looking at the 
> | entries in System.map, changing the configuration, building the 
> | kernel, diffing the new System.map with the reference one, 
> again and 
> | again.
> | 
> | The diff process was done only on the symbol names and the 
> last diff 
> | states : diff -urN System.map-9 System.map-2.4.18-sound | less
> | --- System.map-9        Tue Feb 18 13:36:33 2003
> | +++ System.map-2.4.18-sound     Tue Feb 18 09:47:47 2003
> | @@ -10776,6 +10776,7 @@
> |  d __setup_str_console_setup
> |  d __setup_str_reserve_setup
> |  d startup.0
> | +d configs
> |  d zone_balance_ratio
> |  d zone_balance_min
> |  d zone_balance_max
> | 
> | Could someone direct me to where is located this "configs" 
> stuff that 
> | I can't find ?
> 
> I wrote an optional feature that stores kernel .config info 
> inside the 'vmlinux' file in an array named 'configs'.  I 
> don't know if it's included in your kernel or not.
> 
> Some patches for this in-kernel-config feature are available 
> at http://www.osdl.org/archive/rddunlap/patches/ikconfig/
> and it's in Alan Cox's 2.4.-recent patches.
> 
> --
> ~Randy
> 

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