-----Original Message----- From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On Behalf Of Peter Kjellstrom Sent: Friday, June 18, 2010 9:19 AM To: centos at centos.org Cc: Jerry Geis Subject: Re: [CentOS] recognizing correct number of cores on CPU On Friday 18 June 2010, Jerry Geis wrote: > I just installed centos 5.5 x86_64 on a new HP laptop. > It has the core i5 processor. > > only 1 cpu is detected should be 2. > > This has happened before. Is upstream not keeping up with new > processors released and updating the kernel? I've used the stock CentOS kernel with even unreleased CPUs, there is no general need for CPU to be supported. Maybe this is a bios problem. More information would also be nice (like dmesg output). /Peter > I'd rather not go through the process again of putting a newer kernel > on the machine and having something different out there than "stock" > centos. > > Jerry