[wplug] smp

[John Strange]

Chris,

You can roll your own kernel if you wish, it's not *extremely* difficult
if you know a little bit about PC hardware and can identify what you
want to do or not do.

lspci -v will give you a list of your PCI devices, or cat /proc/pci

Download the current stable kernel:

http://www.kernel.org/pub/linux/kernel/v2.4/patch-2.4.20.bz2

HOWTO:

http://www.ibiblio.org/pub/Linux/docs/HOWTO/Kernel-HOWTO

You can compile and work on your kernel, it might take you a few tries
the first time, but you can't really mess anything up, just make sure to
keep your existing *WORKING* kernel statement in grub/lilo until you
know for sure that your kernel you compiled works.

- John

On Thu, 2003-05-08 at 08:55, Chris wrote:
> Here is the output of cat /proc/cpuinfo
> 
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 6
> model		: 7
> model name	: Pentium III (Katmai)
> stepping	: 3
> cpu MHz	: 497.438
> cache size	: 512 KB
> fdiv_bug	: no
> hlt_bug	: no
> f00f_bug	: no
> coma_bug	: no
> fpu		: yes
> fpu_exception : yes
> cpuid level	: 2
> wp		: yes
> flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov pat pse36 mmx fxsr sse
> bogomips	: 992.87
> 
> 
> So I would have to recompile the kernel to get smp support, right?  If I
> were to upgrade to say 7.3, 8.0 or 9 will it pick up the smp and give me a
> new kernel with that support?
> 
> Chris Romano
> 
> -----Original Message-----
> From: wplug-admin at wplug.org [mailto:wplug-admin at wplug.org] On Behalf Of
> Matthew Danish
> Sent: Thursday, May 08, 2003 12:22 AM
> To: wplug at wplug.org
> Cc: Chris
> Subject: Re: [wplug] smp
> 
> On Wed, May 07, 2003 at 11:50:16PM -0400, Matthew Danish wrote:
> > A kernel with SMP support is not impaired by a uniprocessor system.  The
> > "detection" is done by the kernel, most likely Redhat installs an SMP
> kernel by
> > default no matter what.  And if it's not enabled, it's just one option in
> the
> > kernel config to set to Y.  Or to get a precompiled kernel for.  Very
> simple
> > setup.
> 
> BTW, cat /proc/cpuinfo will show multiple CPUs if the kernel is SMP-enabled
> on
> an SMP box.  And don't worry about using a uniprocessor kernel on an SMP
> box;
> it will just use the first processor.