Date: Fri, 20 Oct 2000 07:25:58 -0500 From: "Joseph E. Royce" <joe@freyr.cba.ualr.edu> To: Otter <otterr@telocity.com> Cc: freebsd-questions@freebsd.org Subject: Re: FW: booting problems with SMP enabled Message-ID: <20001020072558.A21782@freyr.cba.ualr.edu> In-Reply-To: <HLEDJBJKDDPDJBMGCLPPKEEKCGAA.otterr@telocity.com>; from otterr@telocity.com on Fri, Oct 20, 2000 at 06:57:18AM -0400 References: <14831.46693.860465.246500@guru.mired.org> <HLEDJBJKDDPDJBMGCLPPKEEKCGAA.otterr@telocity.com>
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On Fri, Oct 20, 2000 at 06:57:18AM -0400, Otter wrote: > > > }-----Original Message----- > }From: owner-freebsd-questions@FreeBSD.ORG > }[mailto:owner-freebsd-questions@FreeBSD.ORG]On Behalf Of Mike Meyer > }Sent: Thursday, October 19, 2000 11:05 PM > }To: Otter > }Cc: questions@FreeBSD.ORG > }Subject: Re: FW: booting problems with SMP enabled > } > } > }Otter writes: > }> I've got a new install of 4.1-RELEASE here. > }> Hardware consists of a dual processor board (unknown brand), > }> 2 Intel P2-300's, a single 128MB DIMM, onboard scsi > }> (disabled), on a 13GB IDE drive. The machine boots and runs > }> fine with a single processor. For testing purposes, I've > }> swapped them around to make sure that both CPU's are working > }> as they should. No problems there. When I boot up with the > }> SMP kernel (only the SMP and APIC_IO lines uncommented) it > }> hangs in the boot process at where it says "APIC_IO: testing > }> 8254 interrupt delivery". At this point, the machine locks > }> and requires me cycling power via the switch on the power > }> supply. I'm at a loss. I've got a bank of dipdswitches on > }> the board and have changed a few at random, but no luck so > }> far. Without knowing the brand of the board, I'm not sure > }> how I can take this any further. Any tips/ideas/suggestions? TIA. > } > }Check the board manufacturers web site for a manual! > } > I'd love to, but as you can see above, I don't know who the > manufacturer is/was. I've found no markings on the board that identify > it as any particular brand. If you can find a FCC ID number on the motherboard then you can do a search at http://www.fcc.govoet/fccid/ for the manufacturers. -Joe > > }Also notice that "An SMP kernel will ONLY run on an Intel MP > }spec. qualified motherboard" and "Be sure to disable 'cpu > }I386_CPU' && > }'cpu I486_CPU' for SMP kernels." (The latter may not be required for > }your version, but won't hurt in any case). > > already done. > > } > }Also, check the stepping number of the P2's (on the chip, somewhere, > }one hopes, or possibly in dmesg when the system boots) and then check > }the intel web to make sure the two chips will work *together*. While > }each may work fine, if you've don't have compatible stepping numbers, > }they won't work together. > } > } <mike > } > The stepping numbers DO match. I've searched Intel's site and found > some CPUID info charts, but nothing that states they work together... > then again, I didn't find anything saying the contrary. I seem to > remember that was the big hype of P2 over Celerons-- they had more > cache and would support SMP. I could only assume that they all do... > and neer had problems getting any p2 or p3's to work in SMP as long as > the stepping numbers matched. I've set this up on several machines in > the past, so I know (or at least I used to!) what to look for and the > steps to take to make it happen. I'm just at a loss on this one. > -Otter > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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