Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 28 Mar 2003 14:50:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 28 Mar 2003 14:50:46 -0500 Received: from fmr02.intel.com ([192.55.52.25]:49344 "EHLO caduceus.fm.intel.com") by vger.kernel.org with ESMTP id ; Fri, 28 Mar 2003 14:50:45 -0500 Message-ID: From: "Grover, Andrew" To: Mika Liljeberg , linux-kernel@vger.kernel.org Subject: RE: [2.5.66] Enormous interrupt load with ACPI Date: Fri, 28 Mar 2003 12:01:48 -0800 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) content-class: urn:content-classes:message Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 741 Lines: 21 > From: Mika Liljeberg [mailto:mika.liljeberg@welho.com] > If I enable ACPI on my machine I seem to get more than 80 000 > interrupts > per second on IRQ9, sucking up roughly 30% of CPU time. Boot log > appended. > Mar 28 01:15:41 devil kernel: ACPI: INT_SRC_OVR (bus[0] > irq[0x9] global_irq[0x9] polarity[0x1] trigger[0x3]) polarity 1 = active high trigger 3 = level Can you look at /proc/interrupts and tell me if irq 9 is shared with anyone else, especially PCI devices? Thanks -- Andy - 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/