Enterprise Kernel Question

Les Niles lniles at Narus.com
Fri Oct 17 13:11:01 CDT 2003


maxcpus=1 is probably a better choice.  I wouldn't blame 
the kernel for panicing with maxcpus=0.

  -les  lniles at narus.com

> -----Original Message-----
> From: Anthony Porcano [mailto:aporcano at kaplan.com]
> Sent: Friday, October 17, 2003 10:14 AM
> To: arjanv at redhat.com; Matt Domsch
> Cc: Poweredge
> Subject: Re: Enterprise Kernel Question
> 
> 
> Ok...having some problems with getting SMP disabled.
> 
> I have tried 'nosmp', 'nosmp=1', and 'maxcpus=0' on the 
> kernel command line
> (grub.conf), and all cause kernel panics.
> 
> The kernel version is 2.4.9-e.25smp (RHEL 2.1AS), and the server is a
> PE1750. Ultimately we are trying to get the e.25enterprise 
> kernel to load
> and use the 'nosmp' option there, but we were trying the 
> options out on what
> we were currently running since we are having general issues 
> loading the
> e.25enterprise kernel (without any special options).
> 
> If anyone could shed some light on these issues it would be greatly
> appreciated. 
> 
> Thanks everyone.
> 
>   --Anthony
> 
> _______________________
> Anthony Porcano
> Systems Engineer, Kaplan IOPS
> aporcano at kaplan.com
> 
> 
> > From: "Arjan van de Ven" <arjanv at redhat.com>
> > Organization: Red Hat, Inc.
> > Reply-To: <arjanv at redhat.com>
> > Date: Wed, 15 Oct 2003 09:50:24 +0200
> > To: "Matt Domsch" <Matt_Domsch at dell.com>
> > Cc: "Anthony Porcano" <aporcano at kaplan.com>, "Poweredge"
> > <linux-poweredge at dell.com>
> > Subject: Re: Enterprise Kernel Question
> > 
> > On Tue, 2003-10-14 at 22:51, Matt Domsch wrote:
> >>> Does anyone know if it is problematic to run a non-smp 
> enterprise kernel on
> >>> a dual processor server? Goal here is to disable one cpu 
> in the box for
> >>> licensing reasons. Any help on this is greatly appreciated.
> >> 
> >> It's fine, we do it all the time in testing.  You may wish 
> to specify
> >> 'apic' on the kernel command line to get the benefit of 
> better interrupt
> >> routing than you would otherwise get with the uniprocessor kernel.
> > 
> > ehm.... that option doesn't exist actually
> > 




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