From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262837AbUEKKyU (ORCPT ); Tue, 11 May 2004 06:54:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262862AbUEKKyU (ORCPT ); Tue, 11 May 2004 06:54:20 -0400 Received: from mail.gmx.net ([213.165.64.20]:49876 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S262837AbUEKKyJ (ORCPT ); Tue, 11 May 2004 06:54:09 -0400 Date: Tue, 11 May 2004 12:54:08 +0200 (MEST) From: "Daniel Blueman" To: Alan Stern , david-b@pacbell.net Cc: linux-kernel@vger.kernel.org, linux-usb-devel@lists.sourceforge.net MIME-Version: 1.0 References: Subject: Re: [linux-usb-devel] [linux-2.6.5] oops when plugging CDC USB network device... X-Priority: 3 (Normal) X-Authenticated: #8973862 Message-ID: <27198.1084272848@www53.gmx.net> X-Mailer: WWW-Mail 1.6 (Global Message Exchange) X-Flags: 0001 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alan, David, Thanks for your response - the problem observed in linux-2.6.5 is fixed in 2.6.6. Now I get a status code of -75 [1] and see no additional networking devices. Nothing jumps out from the ohci_q.c and related sources. Any ideas? --- [1] ohci_hcd 0000:00:02.1: GetStatus roothub.portstatus [1] = 0x00010101 CSC PPS CCS hub 2-0:1.0: port 1, status 101, change 1, 12 Mb/s hub 2-0:1.0: debounce: port 1: delay 100ms stable 4 status 0x101 ohci_hcd 0000:00:02.1: GetStatus roothub.portstatus [1] = 0x00100103 PRSC PPS PES CCS usb 2-1: new full speed USB device using address 3 usb 2-1: skipped 3 class/vendor specific configuration descriptors usb 2-1: new device strings: Mfr=1, Product=2, SerialNumber=3 usb 2-1: default language 0x0409 usb 2-1: Product: USB Cable Modem usb 2-1: adding 2-1:1.0 (config #1, interface 0) usbnet 2-1:1.0: usb_probe_interface usbnet 2-1:1.0: usb_probe_interface - got id ohci_hcd 0000:00:02.1: urb da0fef78 path 1 ep0in 82d60000 cc 8 --> status -75 usbnet: probe of 2-1:1.0 failed with error -75 usb 2-1: adding 2-1:1.1 (config #1, interface 1) > On Fri, 7 May 2004, Daniel Blueman wrote: > > > When plugging a Motorola SurfBoard 5100 device into my box, khubd > oopses. > > Kernel is stock linux-2.6.5. > > > > Chipset is nForce 2 (OHCI), USB 2 EHCI controller disabled, so just USB > 1.1 > > controller active. > > > > Please CC me if more information would be handy. > > > > Harvested from kernel logs: > > > usb 1-1: Product: USB Cable Modem > > usb 1-1: registering 1-1:1.0 (config #1, interface 0) > > usbnet 1-1:1.0: usb_probe_interface > > usbnet 1-1:1.0: usb_probe_interface - got id > > Unable to handle kernel NULL pointer dereference at virtual address > 00000004 > > printing eip: > > c028ff64 > > *pde = 00000000 > > Oops: 0000 [#1] > > DEBUG_PAGEALLOC > > CPU: 0 > > EIP: 0060:[] Not tainted > > EFLAGS: 00010296 (2.6.5) > > EIP is at usb_disable_interface+0x14/0x50 > > This has been fixed in 2.6.6. > > Alan Stern -- Daniel J Blueman NEU : GMX Internet.FreeDSL Ab sofort DSL-Tarif ohne Grundgebühr: http://www.gmx.net/dsl