From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Vladimir G. Ivanovic" Subject: Re: SMP Woes Date: Thu, 22 Apr 2004 10:21:08 -0700 Sender: linux-smp-owner@vger.kernel.org Message-ID: <200404221721.i3MHL8Gp013384@bach.leonora.org> References: <008e01c42881$8781a7d0$0900a8c0@bobhitt> Reply-To: "Vladimir G. Ivanovic" Return-path: In-Reply-To: Your message of "Thu, 22 Apr 2004 11:50:23 EDT." <008e01c42881$8781a7d0$0900a8c0@bobhitt> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Bobby Hitt Cc: linux-smp@vger.kernel.org I have an ASUS CUV4X-DLS dual-processor motherboard that I've been running for three years (?). I use grub; here is my grub.conf file: timeout=10 splashimage=(hd0,0)/grub/splash.xpm.gz default=0 title Fedora Core (2.4.22-1.2179.nptlsmp) root (hd0,0) kernel /vmlinuz-2.4.22-1.2179.nptlsmp root=/dev/sda4 hdb=ide-scsi ide2=0x9400,0x9002 ide3=0x8800,0x8402 initrd /initrd-2.4.22-1.2179.nptlsmp.img title Fedora Core (2.4.22-1.2174.nptlsmp) root (hd0,0) kernel /vmlinuz-2.4.22-1.2174.nptlsmp root=/dev/sda4 hdb=ide-scsi ide2=0x9400,0x9002 ide3=0x8800,0x8402 initrd /initrd-2.4.22-1.2174.nptlsmp.img title Memtest86 v3.1 kernel /memtest86-3.1 But to get Linux SMP to run, I had to turn off MPS 1.4 support in the BIOS. I also turn off automatic IDE detection, but then enable the Primary IDE channel. (I have an 133 MHz IDE controller hooked up to a 200 GB drive.) Let me know if you want more details about my setup. --- Vladimir ------------------------------------------------------------------------ Vladimir G. Ivanovic http://leonora.org/~vladimir 2770 Cowper St. vladimir@acm.org Palo Alto, CA 94306-2447 +1 650 678 8014 ------------------------------------------------------------------------ >>>>> "bh" == Bobby Hitt writes: bh> Hello, bh> bh> I recently posted this message to the linux-kernel list: bh> ------ bh> I have an ASUS CUV4XD dual CPU mobo that I've been using with Window 2000 bh> Professional for the last two years. It worked fine, W2K used both CPUs with bh> no problems whatsoever. I recently upgraded my W2K system, and decided to bh> use the ASUS board in a system I was building to use as a Linux gateway. The bh> problem I'm having is the system refuses to boot when I created a kernel bh> with SMP support. If I turn off SMP and rebuild the kernel, boots fine. I bh> have two other SMP systems, very old mother boards, 5+ years old. They both bh> run Linux fine with SMP. I even took the source tree from a working system, bh> built a new kernel, locks up on bootup. The last message displayed : bh> bh> Total of 2 processors activated ( 3186.68 BogoMIPS) bh> Enabling IO-APIC IRQs bh> Setting 2 in the phys_id_present_map bh> .. changing IO-APIC physical APIC ID to 2 ... ok. bh> bh> I contacted Alan Cox about this, he said he was working on his MBa and bh> hadn't been involved with kernel development for a while. He suggest adding: bh> bh> append="noapic pci=usepirqmask" bh> bh> to the lilo.conf file, which I did. No change. bh> bh> Any body have similar problems or suggestions? bh> ------ bh> bh> This was for kernel 2.4.23. bh> bh> I've since figured out that problem. I found that the BIOS had an option bh> "MPS 1/4 Support" which was checked. Turned that off, and now the system bh> boots fine, but now have a new problem with my RAID configuration. When bh> "raidstart /dev/md0" runs, it gives this error: bh> bh> cannot determine md version: 6 bh> bh> The only thing I've done is to enable smp support in the kernel, which bh> brings up another issue. I had just installed the source tree for 2.4.26. bh> smp support was already checked, so all I did was to enable raid, reiserfs bh> support, etc. I didn't turn on anything un-necessary. With "vga=791" set in bh> the lilo.conf file, on reboot now all I get is a black screen and system bh> lockup. When I went back to turn off smp, now the build fails with lots of bh> "num_cpus" (or close to that) appear everywhere. The only way I can now bh> build a new kernel is to save my .config file, wipe the directory, bh> re-install the source tree, copy my .config file back and rebuild. With bh> regard to the display issue, I'll disable the display for now. The raid bh> issue is the main thing. bh> bh> TIA, bh> bh> Bobby bh> bh> - bh> To unsubscribe from this list: send the line "unsubscribe linux-smp" in bh> the body of a message to majordomo@vger.kernel.org bh> More majordomo info at http://vger.kernel.org/majordomo-info.html bh>