[nSLUG] Kernel compile advice sought

Ben Armstrong synrg at sanctuary.nslug.ns.ca
Sat Sep 27 07:03:47 ADT 2014


On 25/09/14 06:01 PM, Eugene Cormier wrote:
> I'm not sure what options your kernel provide (some distros can give
> additional patches for cpus) but I think you can safely choose:
> Opteron/Athlon64/Hammer/K8
> or
> Generic-x86-64
> for that cpu

You might consider the latter a better option if you value being able to
do bare metal recovery with this kernel on arbitrary replacement hardware.

Ben

> Eugene
>
> On Thu, Sep 25, 2014 at 05:49:39PM -0300, Mike Spencer wrote:
>> Eugene Cormier <eugene.cormier at gmail.com> wrote:
>>
>>> ...there should be a .config file that is used for your distro
>>> (slackware) and if you can find it, very often you can get it simply
>>> by running:
>>>
>>>      zcat /proc/config.gz 
>> Ah. That works on the new system relevent here. (Doesn't on my older
>> system.)  And that produces text identical to /boot/config.
>>
>>>    zcat /proc/config.gz > /usr/src/linux/.config
>>>
>>> (remember to change /usr/src/linux/ to the path where your new
>>> kernel is)
>>>
>>> from that point you can run make oldconfig, 
>> Good.  Thanks.  That answers the question.
>>
>> That leaves: If I *don't* use "make oldconfig", is there any guidance
>> for optimal choice of CPU support (connfig M486) for an AMD A4-6210
>> (AMD codename Beema) quadcore?  Google is gradually turning up more
>> info but not yet an answer that I can make practical sense of.
>>
>>
>> - Mike
>>
>> -- 
>> Michael Spencer                  Nova Scotia, Canada       .~. 
>>                                                            /V\ 
>> mspencer at tallships.ca                                     /( )\
>> http://home.tallships.ca/mspencer/                        ^^-^^
>>
>>
>>
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