Messages in this thread | | | From | "Mark Cuss" <> | Subject | Re: Kernel reports 4 CPUS instead of 2... | Date | Wed, 16 Oct 2002 11:48:54 -0600 |
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Ah I see...
Thanks! I take it that it is "safe" to leave this turned on... The kernel knows how to correctly handle the hyper-threading stuff?
Mark
----- Original Message ----- From: "Joel Jaeggli" <joelja@darkwing.uoregon.edu> To: "Mark Cuss" <mcuss@cdlsystems.com> Cc: <linux-kernel@vger.kernel.org> Sent: Wednesday, October 16, 2002 11:37 AM Subject: Re: Kernel reports 4 CPUS instead of 2...
> disable hyper-threading in your bios if you want to see two cpu's... > > otherwise see: > > http://developer.intel.com/technology/hyperthread/ > > practically speaking you may see a performance hit in some application > mixes from having it enabled. > > joelja > > On Wed, 16 Oct 2002, Mark Cuss wrote: > > > Hello all > > > > I'm working with a new Dell Poweredge 4600 Server with Dual CPUs. However, > > Linux reports that it sees 4 CPUs... I have opened the thing to see if Dell > > gave me 2 extras for free, but no luck: Attached is /proc/cpuinfo. > > > > I've tried the RedHat 8.0 stock kernel, as well as a freshly compiled 2.4.19 > > but both exhibit the same behavior. > > > > The specifics on the machine: > > > > Dual Xeon 2.2 GHz CPUs (512 k L2 cache) > > 2 Gigs DDR RAM > > The chipset is a ServerWorks CMIC-HE (see attached lspci for complete > > listing). > > > > Has anyone else seen this behavior? The only other SMP machine I have is an > > older Dell server with Dual 1 GHz coppermines, and it reports 2 CPUs... > > > > Any information or advice is greatly appreciated... > > > > Thanks in Advance, > > > > Mark > > > > > > Mark Cuss > > Real Time Systems Analyst > > CDL Systems Ltd. > > Suite 230 > > 3553 - 31 Street NW > > Calgary, Alberta > > T2L 2K7 > > > > Phone (403) 289-1733 extension 226 > > Email: mcuss@cdlsystems.com > > URL: www.cdlsystems.com > > > > -- > -------------------------------------------------------------------------- > Joel Jaeggli Academic User Services joelja@darkwing.uoregon.edu > -- PGP Key Fingerprint: 1DE9 8FCA 51FB 4195 B42A 9C32 A30D 121E -- > In Dr. Johnson's famous dictionary patriotism is defined as the last > resort of the scoundrel. With all due respect to an enlightened but > inferior lexicographer I beg to submit that it is the first. > -- Ambrose Bierce, "The Devil's Dictionary" > > >
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