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Removing a point of failure: A kernel ebuild
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sisob
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PostPosted: Thu Jul 18, 2002 12:11 pm    Post subject: Removing a point of failure: A kernel ebuild Reply with quote

IMHO one of the things that disuades a lot of users form using gentoo is the fact that they have to compile their kernel during the install - AND they have to use menuconfig to do it.

Personally I would rather wait till I have the system (with X) up and running before I start configuring and building my "super-lean kernel".

Would it be possible to have a kernel e-build that would download and compile the kernel with optimisation for the cpu, and using default (optimised) gentoo settings.

AFAIK most of the benefits of compiling your own kernel come from cpu optimisation and not diabling unused modules, so it would still be a lot better that your standard kernel rpm.

Maybe this is already possible. Comments?
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klieber
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PostPosted: Thu Jul 18, 2002 12:18 pm    Post subject: Reply with quote

How do you handle NICs, SCSI cards, chipsets and everything else that needs to be part of the kernel (compiled in or module)? Without that information, it's impossible to compile a kernel that will work correctly.

--kurt
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sisob
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PostPosted: Thu Jul 18, 2002 1:53 pm    Post subject: Reply with quote

mmm, compile modules for everything?
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sisob
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PostPosted: Thu Jul 18, 2002 2:13 pm    Post subject: Reply with quote

sisob wrote:
mmm, compile modules for everything?


mmm, probably a bad idea - i guess i'll just have to get used to menuconfig
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Aruspex
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PostPosted: Thu Jul 18, 2002 2:20 pm    Post subject: Reply with quote

I don't want to start anything here but, how does Red Hat do it?

Sisob has a good point. Besides, I am sure that some people forget to add features to their kernel that are required to boot their PC. I think it's at least worth further discussion...

Why not make a general 'Red Hat meets Gentoo' style kernel that covers most cases?
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delta407
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PostPosted: Thu Jul 18, 2002 3:16 pm    Post subject: Reply with quote

Use redhat-sources, then; IIRC it comes with the RedHat .config file.

Also, I prefer menuconfig over xconfig. Maybe I'm just weird, but I don't think so. ;)
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Pitr
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PostPosted: Thu Jul 18, 2002 3:41 pm    Post subject: Reply with quote

delta407 wrote:

Also, I prefer menuconfig over xconfig. Maybe I'm just weird, but I don't think so. ;)


You're not weird.... I feel the same way
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rac
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PostPosted: Thu Jul 18, 2002 6:25 pm    Post subject: Reply with quote

Aruspex wrote:
I don't want to start anything here but, how does Red Hat do it?

I don't know how RH does it, but Debian uses initrd, everything under the sun compiled as a module, and the modules all on the initial ramdisk so they can be used even to mount the root filesystem. It's a pretty slick idea, when it works, but I have found it rather challenging to debug when it doesn't work. Note: I am not suggesting that Gentoo change anything about its kernel policy.
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