From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161137Ab2GLOC7 (ORCPT ); Thu, 12 Jul 2012 10:02:59 -0400 Received: from pindarots.xs4all.nl ([80.101.128.228]:49104 "EHLO pindarots.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161027Ab2GLOC5 (ORCPT ); Thu, 12 Jul 2012 10:02:57 -0400 Message-ID: <4FFED900.1020606@xs4all.nl> Date: Thu, 12 Jul 2012 16:02:40 +0200 From: Udo van den Heuvel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 MIME-Version: 1.0 To: linux-usb@vger.kernel.org CC: Jan Ceuleers , Alan Stern , Clemens Ladisch , Simon Jones , linux-kernel@vger.kernel.org Subject: Re: 3.4.4: disabling irq References: <4FFECFC5.2080803@xs4all.nl> <4FFED46F.1080600@computer.org> In-Reply-To: <4FFED46F.1080600@computer.org> X-Enigmail-Version: 1.4.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2012-07-12 15:43, Jan Ceuleers wrote: > On 07/12/2012 03:23 PM, Udo van den Heuvel wrote: >> How to list what modules/programs are using that irq? > > cat /proc/interrupts # cat /proc/interrupts CPU0 CPU1 CPU2 CPU3 0: 40 0 0 0 IO-APIC-edge timer 1: 1 4 91884 418 IO-APIC-edge i8042 4: 1 25 607223 1584 IO-APIC-edge serial 6: 0 0 8 0 IO-APIC-edge floppy 7: 1 0 0 0 IO-APIC-edge parport0 9: 0 0 0 0 IO-APIC-fasteoi acpi 12: 3 106 980333 3914 IO-APIC-edge i8042 14: 0 5 169732 457 IO-APIC-edge pata_atiixp 15: 0 0 0 0 IO-APIC-edge pata_atiixp 16: 0 0 3038 33 IO-APIC-fasteoi sata_sil24, ohci_hcd:usb1, ohci_hcd:usb2, snd_hda_intel 17: 0 4 24053 119 IO-APIC-fasteoi ehci_hcd:usb3 18: 25 190 18052161 21311 IO-APIC-fasteoi ohci_hcd:usb5, ohci_hcd:usb6, ohci_hcd:usb7 19: 1 9 187895 487 IO-APIC-fasteoi ehci_hcd:usb4 20: 7 135 3756346 8907 IO-APIC-fasteoi serial 22: 127 719 14673690 33318 IO-APIC-fasteoi ahci 43: 115 1072 33699508 73116 PCI-MSI-edge eth0 44: 27 252 3044666 11507 PCI-MSI-edge radeon 45: 0 0 21 0 PCI-MSI-edge snd_hda_intel NMI: 0 0 0 0 Non-maskable interrupts LOC: 15971203 15548951 13031603 13145359 Local timer interrupts SPU: 0 0 0 0 Spurious interrupts PMI: 0 0 0 0 Performance monitoring interrupts IWI: 0 0 0 0 IRQ work interrupts RTR: 0 0 0 0 APIC ICR read retries RES: 57916374 44634814 19199377 43219640 Rescheduling interrupts CAL: 2241 2293 2327 2196 Function call interrupts TLB: 577983 648537 579293 635466 TLB shootdowns THR: 0 0 0 0 Threshold APIC interrupts MCE: 0 0 0 0 Machine check exceptions MCP: 581 581 581 581 Machine check polls ERR: 0 MIS: 0 So what can we conclude? Kind regards, Udo