From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261731AbTJMMVi (ORCPT ); Mon, 13 Oct 2003 08:21:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261722AbTJMMVi (ORCPT ); Mon, 13 Oct 2003 08:21:38 -0400 Received: from dodge.jordet.nu ([217.13.8.142]:9700 "EHLO dodge.hybel") by vger.kernel.org with ESMTP id S261705AbTJMMVf (ORCPT ); Mon, 13 Oct 2003 08:21:35 -0400 Subject: Re: Weird stuff with USB and Bluetooth From: Stian Jordet To: Marcel Holtmann Cc: Greg KH , Linux Kernel Mailing List In-Reply-To: <1066046816.14514.257.camel@pegasus> References: <1065744760.1344.2.camel@chevrolet.hybel> <20031011023158.GE19749@kroah.com> <1066046816.14514.257.camel@pegasus> Content-Type: text/plain Message-Id: <1066047713.16335.16.camel@chevrolet.hybel> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Mon, 13 Oct 2003 14:21:53 +0200 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org man, 13.10.2003 kl. 14.06 skrev Marcel Holtmann: > Hi Greg, > > > > I get these lines in my dmesg at boot-time: > > > > > > usb 1-2: device not accepting address 3, error -110 > > > hci_usb: probe of 1-2:1.1 failed with error -5 > > > hci_usb: probe of 1-2:1.2 failed with error -5 > > > usb 1-2: USB disconnect, address 4 > > > usb 1-2: device not accepting address 5, error -110 > > > hci_usb: probe of 1-2:1.1 failed with error -5 > > > hci_usb: probe of 1-2:1.2 failed with error -5 > > > > > > Which often means that the usb-hc can't get an interrupt, I have read. > > > The "problem" is that I have several usb devices (scanner, printer, > > > usbserial, hid) and I get no such error with them, only the Bluetooth. > > > And even weirder, the BT-dongle works just perfect. > > > > > > So my question is; what does this messages means? > > > > You have a broken device, sorry. > > this is not the complete story. Some USB Bluetooth devices are buggy, > that's right, but in some cases the USB host controller is acting very > weird. The ACER BT-500 for example shows the same error on all of my > UHCI based devices (with usb-uhci.o and uhci.o in 2.4), but with a NEC > USB 2.0 card and usb-ohci.o it works fine every time. But if the device > is already plugged in and the UHCI host driver is loaded later, the > device works. Also unloading/reloading of the UHCI host driver helps to > get this device working. Thanks for your reply :) This is e 3Com BT-dongle. Anyway, I don't have to unload/reload the UHCI host driver. The device just works, even with these errors. I'm quite sure I didn't saw this error earlier (like 2.5.65, or something). I will check that later tonight. Thanks :) Best regards, Stian