[gentoo-user] which kernel ??? 2.4 or 2.6

[gentoo-user] which kernel ??? 2.4 or 2.6

[pat]

Hi All,

I have question. Which kernel is better 2.4 or 2.6 ??? I want to install 
Gentoo 2004.3 and I'm new to Gentoo.

And is it necessary to have nptl install for 2.6 kernel ??? I think yea, 
but I want to be shure.

Thanks to all.

	Pat

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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Jerry McBride]

On Monday 06 December 2004 12:09 pm, pat wrote:
> Hi All,
>
> I have question. Which kernel is better 2.4 or 2.6 ??? I want to install
> Gentoo 2004.3 and I'm new to Gentoo.
>
> And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
> but I want to be shure.
>
> Thanks to all.
>

The 2.6 kernel has more drivers and tend to be better working... As for 
NPTL... it's optional. If you don't want it, don't call for it in USE...

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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Mike Williams]

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On Monday 06 December 2004 17:09, pat wrote:
> Hi All,
>
> I have question. Which kernel is better 2.4 or 2.6 ??? I want to install
> Gentoo 2004.3 and I'm new to Gentoo.

2.6, it's the future, I've seen it!

> And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
> but I want to be shure.

No.
Doubt you'd notice any real difference eitherway though.

-- 
Mike Williams

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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Collins Richey]

On Mon, 06 Dec 2004 18:09:20 +0100, pat <pat@xvalheru.org> wrote:
> Hi All,
> 
> I have question. Which kernel is better 2.4 or 2.6 ??? I want to install
> Gentoo 2004.3 and I'm new to Gentoo.

There isn't a simple answer to that question. 2.6 has new features and
may break a very few components. 2.4 works just fine.

If you want to start with 2.6, there is a separate bootstrap26.sh
procedure for doing that from a stage1 install. There could be some
problems. Check forums or this list archives for more information.

OTOH, as a new user, you may want to stick with the standard 2.4
instructions and reserve building a 2.6 kernel for a later date after
you have a running system and after you have become more familiar with
gentoo. Gentoo has not yet switched over to 2.6 for the standad
install.

I'm not trying to discourage you, and I did indeed install a 2.6
kernel at my initial install, but you need to be prepared to recover
from potential unusual problems if you take that approach.

> 
> And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
> but I want to be shure.
> 

Unless you are running highly thread-intensive applications (java,
maybe), you probably won't notice much difference with or without
nptl. You can run 2.6 with or without nptl, but it is necessary to be
running a 2.6 kernel to enable nptl. If you are intending to do that
from the initial install, you need to select the smp kernel when
booting from the LiveCD, since the default kernel on the LiveCD is
still 2.4.

After you are up and running, do this:

1. emerge a 2.6 kernel source, build a kernel, and boot from that kernel.
2. emerge -C linux24-headers
3. emerge linux26-headers
4. set USE="nptl" or USE="nptlonly"
5. emerge glibc
6. you may need to emerge a few additional packages if anything stops working.

Good luck and welcome to gentoo. If you don't understand any of this,
try searching the forum entries, then ask more questions.

-- 
 Collins

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[gentoo-user] Re: which kernel ??? 2.4 or 2.6

[James]

pat <pat <at> xvalheru.org> writes:

> I have question. Which kernel is better 2.4 or 2.6 ??? I want to install 
> Gentoo 2004.3 and I'm new to Gentoo

2.6 for sure, unless you have legacy equipment or software
that will not work with  a 2.6 kernel..... If this is unknown, then
give 2.6 + gentoo a whirl.....

One of the strongest reasons to use 2.6 + Gentoo, is the ease at which you
can get the latest things installed and working. It's a bit of a learning
curve, but well worth the effort. If you find gentoo difficult, that's
all the better, because it shows us what we really do not understand
and  provides an excellent opportunity to learn, get help, and make new
friends....
YMMV

James


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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Jerry McBride]

On Monday 06 December 2004 12:25 pm, Mike Williams wrote:
> On Monday 06 December 2004 17:09, pat wrote:
> > Hi All,
> >
> > I have question. Which kernel is better 2.4 or 2.6 ??? I want to install
> > Gentoo 2004.3 and I'm new to Gentoo.
>
> 2.6, it's the future, I've seen it!
>
> > And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
> > but I want to be shure.
>
> No.
> Doubt you'd notice any real difference eitherway though.

Well... under heavy, long lived loads on a server, NPTL shines like a star. 
For desktop users... not too much to notice.
-- 

******************************************************************************
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              FSF Associate Member number 2340 since 05/20/2004
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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Uwe Thiem]

On Monday 06 December 2004 19:25, Mike Williams wrote:
> On Monday 06 December 2004 17:09, pat wrote:
> > Hi All,
> >
> > I have question. Which kernel is better 2.4 or 2.6 ??? I want to install
> > Gentoo 2004.3 and I'm new to Gentoo.
>
> 2.6, it's the future, I've seen it!
>
> > And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
> > but I want to be shure.
>
> No.
> Doubt you'd notice any real difference eitherway though.

Except for hyperthreaded CPUs.

Uwe

-- 
Alternative phrasing of the First Law of Thermodynamics:
If you eat it, and you don't burn it off, you'll sit on it.

http://www.uwix.iway.na (last updated: 20.06.2004)

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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Niklas Herder]

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Jerry McBride wrote:
| On Monday 06 December 2004 12:25 pm, Mike Williams wrote:
|
|>>And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
|>>but I want to be shure.
|>
|>No.
|>Doubt you'd notice any real difference eitherway though.
|
|
| Well... under heavy, long lived loads on a server, NPTL shines like a
star.
| For desktop users... not too much to notice.

Apart from NPTL being The Right Way (tm) ;)

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Re: [gentoo-user] which kernel ??? 2.4 or 2.6

[Bastian Balthazar Bux]

Collins Richey wrote:

>On Mon, 06 Dec 2004 18:09:20 +0100, pat <pat@xvalheru.org> wrote:
>  
>
>>Hi All,
>>
>>I have question. Which kernel is better 2.4 or 2.6 ??? I want to install
>>Gentoo 2004.3 and I'm new to Gentoo.
>>    
>>
>
>There isn't a simple answer to that question. 2.6 has new features and
>may break a very few components. 2.4 works just fine.
>
>If you want to start with 2.6, there is a separate bootstrap26.sh
>procedure for doing that from a stage1 install. There could be some
>problems. Check forums or this list archives for more information.
>  
>
from 2004.3

bootstrap26.sh is no more there 

>OTOH, as a new user, you may want to stick with the standard 2.4
>instructions and reserve building a 2.6 kernel for a later date after
>you have a running system and after you have become more familiar with
>gentoo. Gentoo has not yet switched over to 2.6 for the standad
>install.
>
>I'm not trying to discourage you, and I did indeed install a 2.6
>kernel at my initial install, but you need to be prepared to recover
>from potential unusual problems if you take that approach.
>
>  
>
>>And is it necessary to have nptl install for 2.6 kernel ??? I think yea,
>>but I want to be shure.
>>
>>    
>>
>
>Unless you are running highly thread-intensive applications (java,
>maybe), you probably won't notice much difference with or without
>nptl. You can run 2.6 with or without nptl, but it is necessary to be
>running a 2.6 kernel to enable nptl. If you are intending to do that
>from the initial install, you need to select the smp kernel when
>booting from the LiveCD, since the default kernel on the LiveCD is
>still 2.4.
>  
>
also this is changed. Booting kerne is gentoo-dev-sources (2.6.9 seems 
to remember)

>After you are up and running, do this:
>
>1. emerge a 2.6 kernel source, build a kernel, and boot from that kernel.
>2. emerge -C linux24-headers
>3. emerge linux26-headers
>4. set USE="nptl" or USE="nptlonly"
>  
>
set both ??? I remember problems compiling mysql applying only USE="nptl"

>5. emerge glibc
>6. you may need to emerge a few additional packages if anything stops working.
>
>Good luck and welcome to gentoo. If you don't understand any of this,
>try searching the forum entries, then ask more questions.
>
>  
>
welcome from me too

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