Re: 2.6.36, make oldconfig broken

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On 10/22/10 17:54, Gene Heskett wrote:
> On Friday, October 22, 2010, Randy Dunlap wrote:
>> On 10/22/10 13:08, Gene Heskett wrote:
>>> On Friday, October 22, 2010, Randy Dunlap wrote:
>>>> On Fri, 22 Oct 2010 12:29:36 -0400 Gene Heskett wrote:
>>>>
>>>> [adding linux-kbuild]
>>>>
>>>>> Greets all;
>>>>>
>>>>> I have managed to get 2.6.36 to a semi-usable state, but I have major
>>>>> breakage yet.
>>>>>
>>>>> Question: what happens if I simply move my working 2.6.35.7 .config
>>>>> into the 2.6.36 tree and build it from that?
>>>>
>>>> I think that it runs 'make oldconfig' automatically for you.
>>>>
>>>>> It can't be any worse than what the broken 'make oldconfig' did to
>>>>> it. What it output changed the disk drivers, graphic card drivers
>>>>> and just plain threw away at least a hundred lines in the multimedia
>>>>> drivers section.
>>
>> When I use your config-2.6.36.7 file on 2.6.36 and run 'make oldconfig',
> Correction, that config was from 2.6.35.7.
> 
>> I don't see anything like changes in disk or graphics card drivers and
>> I don't see 100 or more lines thrown away in the multimedia drivers.
>>
>> Did you use 'make oldconfig' or did you use that script that you have
>> mentioned and posted in the past?  Could it be causing problems?
> 
> My script (buildit26) takes an old argument and a new argument, that and 
> any patch names needed are edited into it, not passed as arguments, 
> although I have thought of doing that, but as that can lead to typu's 
> getting past these old fingers, I don't trust me doing it with live 
> arguments.  It copy's the old .configs to /tmp long enough to unpack the 
> new, then copy's them into the new tree.  And they do a make oldconfig after 
> any patches have been applied.
> 
> It hasn't been edited since I ran it, so I'll attach it.  Maybe you can see 
> something I missed.

Hi Gene,

I don't understand the last few lines of buildit26 script:

make oldconfig
make mrproper
make xconfig


'make mrproper' is going to blow away the .config file that was just generated
by 'make oldconfig'.  'make help' in the kernel top-level directory says (for mrproper):

  mrproper        - Remove all generated files + config + various backup files

then 'make xconfig' is basically going to give you a 'make defconfig', so yes,
you would see lots of .config file differences from the previous kernel version.


-- 
~Randy
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