Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757239AbYHTTfj (ORCPT ); Wed, 20 Aug 2008 15:35:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755269AbYHTTez (ORCPT ); Wed, 20 Aug 2008 15:34:55 -0400 Received: from n3a.bullet.mail.ac4.yahoo.com ([76.13.13.66]:25507 "HELO n3a.bullet.mail.ac4.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754067AbYHTTey (ORCPT ); Wed, 20 Aug 2008 15:34:54 -0400 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 104370.46758.bm@omp106.mail.ac4.yahoo.com DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Received:X-Mailer:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Message-ID; b=RKwnZDApGYsgv7bTKlw6njsD1gCbYAEBnTtDhjid2N+6gH21kii9txYO05FO20Uzdd1L2mcqJbO5UDcoMQV4jY6JqEB8XKDO77y5e8P+yIxpk3AJgPrbmvvmj64qSOg7dyjz/vdYtbiO8Kis4xjWj5egFezOULBOlupZStF3Sp8=; X-Mailer: YahooMailWebService/0.7.218 Date: Wed, 20 Aug 2008 12:34:51 -0700 (PDT) From: amruth Reply-To: amruth_pv@yahoo.com Subject: USB Serial device disconnect causes IRQ disable To: Oliver Neukum Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <200808071010.27019.oliver@neukum.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <343002.57461.qm@web45206.mail.sp1.yahoo.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2726 Lines: 75 Hi I again encountered the same issue IRQ23 disabled. Here is my /proc/interrupts CPU0 CPU1 0: 381 0 IO-APIC-edge timer 1: 47 6499 IO-APIC-edge i8042 3: 2 0 IO-APIC-edge 4: 4 0 IO-APIC-edge 6: 7 0 IO-APIC-edge floppy 9: 0 0 IO-APIC-fasteoi acpi 12: 4 0 IO-APIC-edge i8042 14: 27742 0 IO-APIC-edge ide0 15: 3152 809663 IO-APIC-edge ide1 16: 383 0 IO-APIC-fasteoi uhci_hcd:usb2, uhci_hcd:usb5 18: 888468 0 IO-APIC-fasteoi ata_piix, uhci_hcd:usb4, eth0 19: 268 0 IO-APIC-fasteoi uhci_hcd:usb3 23: 300001 0 IO-APIC-fasteoi ehci_hcd:usb1 NMI: 436 172 Non-maskable interrupts LOC: 1810724 1760209 Local timer interrupts RES: 171199 167417 Rescheduling interrupts CAL: 140 6288 function call interrupts TLB: 4071 1963 TLB shootdowns TRM: 0 0 Thermal event interrupts SPU: 0 0 Spurious interrupts ERR: 0 MIS: 0 Thanks Amruth p.v --- On Thu, 8/7/08, Oliver Neukum wrote: > From: Oliver Neukum > Subject: Re: USB Serial device disconnect causes IRQ disable > To: "amruth" > Cc: linux-usb@vger.kernel.org > Date: Thursday, August 7, 2008, 3:10 AM > Am Mittwoch 06 August 2008 22:58:08 schrieb amruth: > > Hi > > All > > After disconnecting the usb serial device randomly. I > am getting the following error. > > > > usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c: > serial is OK > > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c: > after rteturn serial > > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c: > before unregister serial > > magtek ttyUSB0: Magtek 75/Excella USB card reader > converter now disconnected from ttyUSB0 > > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c: > port_release - ttyUSB0 > > /usr/src/linux-2.6.26/drivers/usb/serial/usb-serial.c: > after unregister serial > > If you have a spurious interrupt sharing a line with a > legitimate source > of interrupts, you'll see nothing while the legitimate > source operates. > Is there another device sharing irq 23? What does > /proc/interrupts say? > > Regards > Oliver -- 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/