From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964934AbWBGCSP (ORCPT ); Mon, 6 Feb 2006 21:18:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932442AbWBGCSP (ORCPT ); Mon, 6 Feb 2006 21:18:15 -0500 Received: from smtp.uaf.edu ([137.229.34.30]:62994 "EHLO smtp.uaf.edu") by vger.kernel.org with ESMTP id S932441AbWBGCSO convert rfc822-to-8bit (ORCPT ); Mon, 6 Feb 2006 21:18:14 -0500 From: Joshua Kugler Organization: UAF Center for Distance Education - IT To: linux-kernel@vger.kernel.org Subject: Re: What causes "USB disconnect" ? Date: Mon, 6 Feb 2006 17:18:08 -0900 User-Agent: KMail/1.7.2 References: <964857280602061706n72a9ebbeo9a1930f2b0993e0b@mail.gmail.com> <964857280602061812m748d19bew5ef0777e24359029@mail.gmail.com> In-Reply-To: <964857280602061812m748d19bew5ef0777e24359029@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200602061718.08473.joshua.kugler@uaf.edu> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Monday 06 February 2006 17:12, Frédéric L. W. Meunier wrote: > On 2/6/06, Frédéric L. W. Meunier wrote: > > When it happened, his lights turned off. I pressed a button, but > > nothing happened. Then, I ignored it and it returned after the minutes > > you see from the log. > > It happened again. This, after an uptime of 3 days and a few hours. > > Feb 6 23:59:00 pervalidus kernel: usb 1-2: USB disconnect, address 5 > Feb 6 23:59:39 pervalidus kernel: usb 1-2: new low speed USB device > using uhci_hcd and address 6 > Feb 6 23:59:40 pervalidus kernel: usb 1-2: configuration #1 chosen > from 1 choice > Feb 6 23:59:44 pervalidus kernel: input: Logitech Inc. WingMan > RumblePad as /class/input/input5 > Feb 6 23:59:44 pervalidus kernel: input: USB HID v1.10 Joystick > [Logitech Inc. WingMan RumblePad] on usb-0000:00:10.0-2 > Feb 6 23:59:44 pervalidus kernel: usb 1-2: USB disconnect, address 6 > Feb 6 23:59:47 pervalidus kernel: usb 1-2: new low speed USB device > using uhci_hcd and address 7 > Feb 6 23:59:47 pervalidus kernel: usb 1-2: configuration #1 chosen > from 1 choice > Feb 6 23:59:57 pervalidus kernel: > /usr/local/src/kernel/linux-2.6.16/drivers/usb/input/hid-core.c: > timeout initializing reports > Feb 6 23:59:57 pervalidus kernel: input: Logitech Inc. WingMan > RumblePad as /class/input/input6 > Feb 6 23:59:57 pervalidus kernel: input: USB HID v1.10 Joystick > [Logitech Inc. WingMan RumblePad] on usb-0000:00:10.0-2 > > I changed it to other 2 ports and only see a > > Feb 7 00:09:10 pervalidus kernel: usb 1-2: USB disconnect, address 7 > > Any way to know if this is the device's fault ? I just saw this behavior on a USB keyboard/mouse combo the other day when I touched the case and discharged static electricity. Nothing else was affected, but I saw the keyboard and mouse disconnect and then immediately reconnect. Possibly an intolerant chipset or poorly grounded motherboard? j----- k----- -- Joshua Kugler PGP Key: http://pgp.mit.edu/ CDE System Administrator ID 0xDB26D7CE http://distance.uaf.edu/