From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932244Ab0F3QGH (ORCPT ); Wed, 30 Jun 2010 12:06:07 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122]:46105 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932081Ab0F3QGE (ORCPT ); Wed, 30 Jun 2010 12:06:04 -0400 X-Authority-Analysis: v=1.1 cv=jfMbZ+4tkgrYlaJBi3iJCtg6TDszHDHJJpQ3TdTfnr0= c=1 sm=0 a=u8eIACkqEOAA:10 a=uEzv4HemXiYA:10 a=7U3hwN5JcxgA:10 a=Q9fys5e9bTEA:10 a=gMqfjgEr1zLu/65IO0LwxA==:17 a=hUFju7MpbL9V07b6t1cA:9 a=yMrNMGNC5eBQuCWL83Af25wqJK4A:4 a=PUjeQqilurYA:10 a=gMqfjgEr1zLu/65IO0LwxA==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.89.75 Subject: Re: [BUG] kacpi_notify goes into an infinite loop (luckly it calls cond_resched) From: Steven Rostedt Reply-To: rostedt@goodmis.org To: Len Brown Cc: Zhang Rui , LKML , Thomas Renninger , "clarkt@cnsp.com" , Andrew Morton In-Reply-To: References: <1275094882.22648.607.camel@gandalf.stny.rr.com> <1275274670.9119.4419.camel@rzhang1-desktop> <1277905208.24800.21.camel@gandalf.stny.rr.com> Content-Type: text/plain; charset="ISO-8859-15" Organization: Kihon Technologies Inc. Date: Wed, 30 Jun 2010 12:06:00 -0400 Message-ID: <1277913960.24800.31.camel@gandalf.stny.rr.com> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2010-06-30 at 11:17 -0400, Len Brown wrote: > > /sys/firmware/acpi/interrupts/sci_not: 1 > > This means that acpi_irq was invoked and could not find a cause for the > interrupt. > > Does /proc/interrupts show that the acpi interrupt shares and IRQ > with another device, or is it alone? > It looks to be alone: # cat /proc/interrupts CPU0 0: 158 IO-APIC-edge timer 1: 334 IO-APIC-edge i8042 4: 4 IO-APIC-edge 6: 5 IO-APIC-edge floppy 7: 0 IO-APIC-edge parport0 8: 0 IO-APIC-edge rtc0 9: 0 IO-APIC-fasteoi acpi 12: 238565 IO-APIC-edge i8042 14: 158753 IO-APIC-edge ata_piix 15: 604816 IO-APIC-edge ata_piix 16: 38352 IO-APIC-fasteoi uhci_hcd:usb2, i915@pci:0000:00:02.0 17: 3164 IO-APIC-fasteoi Intel 82801DB-ICH4, eth0 18: 0 IO-APIC-fasteoi uhci_hcd:usb4 19: 1652995 IO-APIC-fasteoi uhci_hcd:usb3 23: 3718117 IO-APIC-fasteoi ehci_hcd:usb1 NMI: 16288 Non-maskable interrupts LOC: 7599309 Local timer interrupts SPU: 0 Spurious interrupts PMI: 0 Performance monitoring interrupts PND: 0 Performance pending work RES: 0 Rescheduling interrupts CAL: 0 Function call interrupts TLB: 0 TLB shootdowns TRM: 0 Thermal event interrupts THR: 0 Threshold APIC interrupts MCE: 0 Machine check exceptions MCP: 523 Machine check polls ERR: 6 MIS: 0 -- Steve