Date: Tue, 4 Feb 2003 11:36:59 -0800 (PST) From: Julian Elischer <julian@elischer.org> To: John Baldwin <jhb@FreeBSD.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: <Pine.BSF.4.21.0302041135190.84482-100000@InterJet.elischer.org> In-Reply-To: <XFMail.20030204142834.jhb@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, 4 Feb 2003, John Baldwin wrote: > > 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. Can we have a way of 'nobbling' certain cpus? e.g. don't use "#1 and #3?" > > -- > > 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 > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0302041135190.84482-100000>