Re: which kernel for dual opteron ???
On Thursday 01 June 2006 15:18, Lennart Sorensen wrote:
> On Thu, Jun 01, 2006 at 08:32:52AM +0200, Francesco Pietra wrote:
> > I am very sorry for having bothered Len and the audience with a number of
> > faulty e-mails.
> > This morning 1st June, with sources.list:
> >
> > deb http://secure-testing.debian.net/debian-secure-testing
> > etch/security-updates contrib main non-free
> >
> > deb ftp:/at.debian.org/debian-amd64/debian/ etch contrib main non-free
> > deb-src ftp:/at.debian.org/debian-amd64/debian/ etch contrib main
> > non-free
> >
> > deb ftp://mirrors.kernel.org/debian/ etch contrib main non-free
> > deb-src ftp://mirrors.kernel.org/debian/ etch contrib main non-free
> >
> >
> > I imported security key with:
> > gpg --recv-key 946AA6E18722E71E
> > gpg --armor --export 946AA6E18722E71E |apt-key add -
> >
> > Then:
> > apt-get install linux-image-2.6-amd6a-k8
>
> Add -smp to the end. Then you will get the multi processor kernel
> instead.
>
> > uname -a
> > reports
> > Linux debian 2.6.15-1-amd64-k8 #2 Mon Mar 20 11:13:14 UTC 2006 x86_64
> > GNU/Linux
> >
> > A question related to e-mail by <helices>, as they reported
> > # uname -a
> > ? ? Linux odin 2.6.15-1-amd64-k8-smp #2 SMP Mon Mar 20 11:41:50 UTC 2006
> > x86_64 GNU/Linux
> >
> > is their <smp> a must, or am I OK without it for my hardware
> > TWO 264 amd64-opteron on Tyan K8WE 2895 plus video card and
> > scsi card for external scsi chain composed of hd, CD, and scanner ; plus
> > TWO hd in raid1 from debian?
>
> The smp kernel is required if you want to use more than one cpu core.
> Any dual core, or multi processor system requires an smp kernel to use
> those extra CPUs. Similarly any system with intel's hyperthreading
> requires an smp kernel to use the hyperthreading "extra" cpu.
>
> smp simply means you have more than one processor in linux. Doesn't
> matter what method of having multiple processors it is.
>
> Len Sorensen
#apt-get install linux-image-2.6-amd6a-k8-smp
OK, only reported that source packages "couldn't start"
$uname -a
Linux debian 2.6.15-1-amd64-k8-smp #2 SMP Mon Mar 20 11:41:50 UTC 2006
x86_64 GNU/Linux
Therefore, the story is ended thanks to your advice. It was clean,
simplifying, great advice.
francesco pietra
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