Date: Tue, 04 Feb 2003 14:28:34 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Julian Elischer <julian@elischer.org> Cc: freebsd-smp@freebsd.org, Chris Luke <chrisy@flix.net>, Brendon and Wendy <brendy33@attbi.com>, Terry Lambert <tlambert2@mindspring.com> Subject: Re: mp_machdep.c patch Message-ID: <XFMail.20030204142834.jhb@FreeBSD.org> In-Reply-To: <Pine.BSF.4.21.0302040057010.80424-100000@InterJet.elischer.org>
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On 04-Feb-2003 Julian Elischer wrote: > > > On Mon, 3 Feb 2003, Terry Lambert wrote: > >> >> You have to enable HT in the BIOS. If it is not enabled in the >> BIOS, it will not add entries to the MP Table for the virtual >> processors, and they will not be recognized. > > > My new MP systemm at work (soon to ship to a custommer.. (rats..)) > is running -stable as of today.. > even when I turn off Hyperthreading in the bios, > FreeBSD still finds and uses the extra 2 CPUs.. > (i.e it looks as if it has 4 instead of 2) > > Nothing I can do will force freeBSD to run with only 2 CPUs. Correct, BIOS settings have no effect on whether or not FreeBSD "sees" HTT CPUs. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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