Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 1 Jun 2002 08:21:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 1 Jun 2002 08:21:30 -0400 Received: from mta07-svc.ntlworld.com ([62.253.162.47]:56502 "EHLO mta07-svc.ntlworld.com") by vger.kernel.org with ESMTP id ; Sat, 1 Jun 2002 08:21:30 -0400 From: Chris Rankin Message-Id: <200206011221.g51CLULu000691@twopit.underworld> Subject: Crazy nosmp IRQ assignments in 2.4.19-pre9-ac3?? To: linux-kernel@vger.kernel.org Date: Sat, 1 Jun 2002 13:21:30 +0100 (BST) X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, I just tried booting 2.4.19-pre9-ac3 (SMP, 1.25 GB, devfs) with the "nosmp single" flags to try and debug a Firewire problem, and I found this oddity in /proc/interrupts: CPU0 0: 28797 XT-PIC timer 1: 629 XT-PIC keyboard 2: 0 XT-PIC cascade 8: 0 XT-PIC rtc 9: 0 XT-PIC acpi 14: 10299 XT-PIC ide0 15: 26 XT-PIC ide1 16: 0 none usb-ohci 17: 0 none ehci-hcd 18: 0 none ohci1394 19: 0 none usb-ohci, usb-uhci NMI: 0 LOC: 0 ERR: 0 MIS: 0 Last time I booted an SMP kernel with "nosmp", there were no IRQs > 15 and all the PCI devices were remapped to 5,7,9,10,11 etc. This doesn't look good... Chris - 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/