Date: Thu, 30 Mar 2000 15:09:12 +0200 (CEST) From: "O. Hartmann" <ohartman@ipamzlx.physik.uni-mainz.de> To: freebsd-smp@freebsd.org Subject: SMP problems with ALR Q-SMP Message-ID: <Pine.BSF.4.10.10003301458020.14969-100000@ipamzlx.physik.uni-mainz.de>
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Dear Sirs. I posted weeks ago about problems with a Siemens Nixdorf PCE-5Smp system. Well, we had problems to discover CPU configuration data needed for building a functioning SMP kernel and we got only HOSED entries. After a little search I found out that this system is originally an older ALR Revolution Q-SMP server. I got a new BIOS image and after applying this, I got "good" results with "mptable". I applyed the suggested entries for a custom SMP kernel, NCPU=3, NBUS=2 (EISA/PCI), NAPIC=1,NINTR=24. We have had some little problems with a "shot" EISA configuration and IRQ assignments. After obviously solving this, we compiled a new SMP kernel with the suggested options, but after rebooting and starting this kernel, the system crashes. Last message is some kind of this: AP#1 PHY#1 connot start (or similar). I do not have the whole message in mind. But it seems that the kernel can not start the next slave CPU. Single CPU kernel runs well! The machine is equipted with the following hardware: ALRa341 base board plus additional I/O and controller board (containing some kind of base glue logic and BIOS), SLOT backplane,memory card and three 100 MHz Pentium CPUs. So, reading the hardware manual says, that each CPU board comes with its own APIC. But as I understand this, it is only necessary to use one APIC to get the system running. I never tried NAPIC=3 because I should increase NINTR=XX upd to another value higher than 24, shouldn't I? Has anyone any suggestions? Is someone out here who has already configured an running an ALR Revolution Q-SMP under FreeBSD 4.0-STABLE? Ir would be nice if we can obtain some hints an tips ... Kind regards and thanks in advance, Gruss O. Hartmann ------------------------------------------------------------------- ohartman@ipamzlx.physik.uni-mainz.de Klimadatenserver des IPA, Universitaet Mainz Netzwerk- und Systembetreuung To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
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