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Old 02-23-2012, 10:16 AM
Coert Waagmeester
 
Default SOLVED gentoo-sources menuconfig feature/weirdness

On 02/23/2012 01:08 PM, Alan McKinnon wrote:

On Thu, 23 Feb 2012 12:48:35 +0200
Coert Waagmeester<lgroups@waagmeester.co.za> wrote:


On 02/23/2012 11:17 AM, Neil Bothwick wrote:

On Thu, 23 Feb 2012 10:51:43 +0200, Coert Waagmeester wrote:


The only thing I can currently think of is maybe the kernel config
files in /boot?


I'd say it's more likely to be getting it from /proc/config.gz.

But why start with a clean config each time? That means you have
plenty of opportunities to produce a broken kernel on every update.




Is there a way to import old config files with newer kernel sources?
I tried it once by simply copying .config into the newer src dir, but
I read somewhere that there could be incompatibilities.



That is exactly how you do it. Copy a .config over and run make
oldconfig


I am definitely going to try this.


Yes, there could be incompatibilities. This might happen once every few
years when you do an upgrade over 10 version numbers. But that can be
fixed.

Not doing it this way means a very high likelyhood of the machine not
booting with every single upgrade, plus the huge amount of work it
takes to go through everything in menuconfig.


indeed, especially when the server is stuck in a far away rack.


The choices are simple,

- low risk of occasional breakage
- high risk of frequent breakage





Thank you all
 

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