Date: Mon, 12 Sep 2005 14:37:13 -0600 From: Scott Long <scottl@samsco.org> To: Mike Hunter <mhunter@ack.berkeley.edu> Cc: freebsd-amd64@freebsd.org Subject: Re: Problems with Nacona Xeons Message-ID: <4325E6F9.3020108@samsco.org> In-Reply-To: <20050912203242.GA53403@malcolm.berkeley.edu> References: <BF49AB3E.1D52%webmaster@machowto.com> <43245C91.1090904@comcast.net> <4324697A.40301@samsco.org> <20050912203242.GA53403@malcolm.berkeley.edu>
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Mike Hunter wrote: > On Sep 11, "Scott Long" wrote: > > >>Sean wrote: >> >>>David S. Besade wrote: > > >>>>I have a Dual Xeon (With EM64T) system running FreeBSD 5.4 AMD64 - >>>>Release (with a -stable kernel). I can't get the kernel to see my >>>>second CPU. I have recompiled and retuned and done everything I could >>>>to get it to see the second CPU. The guys on IRC (##Freebsd on >>>>freenode) told me to post this to this list. > > >>>>I do have the ACPI disabled as it doesn't work right yet. The >>>>Motherboard is a Tyan S5350 ( >>>>http://tyan.com/products/html/tigeri7320.html ) running with 2 Dual >>>>Nacona Core Xeons. I had the datacenter check the BIOS and everything >>>>is as it should be. I have Registered ECC RAM on it as well. > > >>>>Both CPU's were recogized by Centos 4.1 X86-64, however I prefer FBSD >>>>to anything Linux. So if you guys could help me out I would appreciate >>>>it. I think I have given you all the relevant information I Hope but >>>>if not just ask me I will get it. > > >>>You said you did a kernel recompile, so did you include >>>'device acpi' >> >> ^^^^ >>You need 'device apic' here also. There is a difference between 'acpi' >>and 'apic. For SMP amd64 machines, you should have both. Simply put, >>the apic is what allows the first CPU to start up the other CPUs during >>boot. > > > I thought apic was "built in" to amd64...? > > http://docs.freebsd.org/cgi/mid.cgi?20041208074109.GB35079 Gah! You're right. It's atpic that has to be explicitely included. Sorry for the bad info. Scott
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