Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264103AbTEGQvf (ORCPT ); Wed, 7 May 2003 12:51:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264104AbTEGQvf (ORCPT ); Wed, 7 May 2003 12:51:35 -0400 Received: from mail.microtechcomp.com ([64.214.131.229]:2102 "EHLO mail.Microtech") by vger.kernel.org with ESMTP id S264103AbTEGQvc (ORCPT ); Wed, 7 May 2003 12:51:32 -0400 Subject: x86_64 interrupts handled by CPU0 only From: Will Dinkel To: linux-kernel@vger.kernel.org Content-Type: text/plain Organization: Atipa Technologies Message-Id: <1052326953.22518.184.camel@zappa> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.4 Date: 07 May 2003 12:02:34 -0500 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 07 May 2003 17:03:47.0848 (UTC) FILETIME=[A0118080:01C314BA] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4241 Lines: 116 Are all interrupts supposed to be handled by CPU0 on x86_64, or is something amiss? I'm getting the following on Mandrake Corporate Server 2.1: --- [root@lab180 root]# uname -r -v -m -o 2.4.19-31mdksmp #1 SMP Thu Apr 17 09:34:46 EDT 2003 x86_64 GNU/Linux [root@lab180 root]# cat /proc/interrupts CPU0 CPU1 0: 447602 0 IO-APIC-edge timer 1: 424 0 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 12: 851 0 IO-APIC-edge PS/2 Mouse 14: 25038 1 IO-APIC-edge ide0 15: 4930 1 IO-APIC-edge ide1 19: 0 0 IO-APIC-level usb-ohci, usb-ohci 24: 105196 0 IO-APIC-level ioc0, eth0 25: 46 0 IO-APIC-level ioc1 NMI: 2235 3808 LOC: 447494 447555 ERR: 0 MIS: 0 --- I see this behavior on systems using either the MSI or Tyan dual-opteron boards. I also see it on RedHat's preview x86_64 distribution (kernel version 2.4.20-9.2). I'm still trying to get 2.5.69 to boot correctly, so I don't have results there yet. On RedHat it hangs after "Booting the kernel..." (and yes, I have CONFIG_VT, and CONFIG_VT_CONSOLE on). Any ideas? System info: --- [root@lab180 root]# cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 15 model : 5 model name : AMD Opteron(TM) 64 Processor 242 stepping : 0 cpu MHz : 1594.727 cache size : 1024 KB fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow bogomips : 3178.49 TLB size : 1088 4K pages clflush size : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts ttp processor : 1 vendor_id : AuthenticAMD cpu family : 15 model : 5 model name : AMD Opteron(TM) 64 Processor 242 stepping : 0 cpu MHz : 1594.727 cache size : 1024 KB fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext lm 3dnowext 3dnow bogomips : 3185.04 TLB size : 1088 4K pages clflush size : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts ttp [root@lab180 root]# lspcidrake unknown : Advanced Micro Devices|AMD-8111 PCI unknown : Advanced Micro Devices|AMD-8111 LPC unknown : Advanced Micro Devices|AMD-8111 IDE unknown : Advanced Micro Devices|AMD-8111 ACPI unknown : Advanced Micro Devices|AMD-8131 PCI-X Bridge unknown : Advanced Micro Devices|AMD-8131 PCI-X APIC unknown : Advanced Micro Devices|AMD-8131 PCI-X Bridge unknown : Advanced Micro Devices|AMD-8131 PCI-X APIC unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge unknown : Advanced Micro Devices|K8 NorthBridge usb-ohci : Advanced Micro Devices|AMD-8111 USB usb-ohci : Advanced Micro Devices|AMD-8111 USB unknown : unknown (105a/3373/ffff/ffff) Card:ATI Mach64 Utah: ATI|Rage XL bcm5700 : Broadcom Corporation|BCM5704 CIOB-E 1000BaseTX bcm5700 : Broadcom Corporation|BCM5704 CIOB-E 1000BaseTX mptscsih : Symbios|53c1030 mptscsih : Symbios|53c1030 unknown : Virtual|Hub [] unknown : Virtual|Hub [] --- -- Will Dinkel Atipa Technologies - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/