Re: [gentoo-user] SOLVED gentoo-sources menuconfig feature/weirdness

[Coert Waagmeester <lgroups@waagmeester.co.za>]

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