Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753787AbYJDSNM (ORCPT ); Sat, 4 Oct 2008 14:13:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754462AbYJDSMy (ORCPT ); Sat, 4 Oct 2008 14:12:54 -0400 Received: from netrider.rowland.org ([192.131.102.5]:2305 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754455AbYJDSMx (ORCPT ); Sat, 4 Oct 2008 14:12:53 -0400 Date: Sat, 4 Oct 2008 14:12:52 -0400 (EDT) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Dave Hansen cc: Thomas Gleixner , gregkh , "linux-kernel@vger.kernel.org" , USB list Subject: Re: USB disconnects every 30 seconds (2.6.27-rc8) In-Reply-To: <1223075214.7798.5.camel@nimitz> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2791 Lines: 49 On Fri, 3 Oct 2008, Dave Hansen wrote: > OK, here's output with both Thomas/Hugh's timing fix as well as the USB > snooping turned on. The disconnects still happen, but I did get some > good snoop output: > > Oct 3 16:01:59 nimitz kernel: [ 180.273883] usb usb7: opened by process 6485: hald-addon-usb- > Oct 3 16:01:59 nimitz kernel: [ 180.273894] usb usb7: usbdev_ioctl: CONNECTINFO > Oct 3 16:01:59 nimitz kernel: [ 180.273935] usb usb7: opened by process 6485: hald-addon-usb- > > grepping for hald: > dave@nimitz:~$ ps aux | grep hald > 111 6407 0.5 0.1 6340 4352 ? Ss 15:59 0:00 /usr/sbin/hald > root 6411 0.0 0.0 3348 1152 ? S 15:59 0:00 hald-runner > root 6485 0.1 0.0 2996 1140 ? S 15:59 0:00 hald-addon-usb-csr: listening on 'MX700 Optical Mouse' > ... > > If I kill off 'hald-addon-usb-csr', then the resets stop happening. > Restart hal, and they come back. There's probably a setting for hal which will prevent this constant probing. > Oct 3 16:01:59 nimitz kernel: [ 180.273883] usb usb7: opened by process 6485: hald-addon-usb- > Oct 3 16:01:59 nimitz kernel: [ 180.273894] usb usb7: usbdev_ioctl: CONNECTINFO > Oct 3 16:01:59 nimitz kernel: [ 180.273935] usb usb7: opened by process 6485: hald-addon-usb- > Oct 3 16:01:59 nimitz kernel: [ 180.273940] usb usb7: usbdev_ioctl: IOCTL > Oct 3 16:01:59 nimitz kernel: [ 180.392126] usb 3-4: opened by process 6485: hald-addon-usb- > Oct 3 16:01:59 nimitz kernel: [ 180.393185] usb 3-4.3: USB disconnect, address 16 > Oct 3 16:01:59 nimitz kernel: [ 180.393191] usb 3-4.3.4: USB disconnect, address 17 > Oct 3 16:01:59 nimitz kernel: [ 180.437913] usb 3-4.3: new high speed USB device using ehci_hcd and address 18 > Oct 3 16:01:59 nimitz kernel: [ 180.494705] usb 3-4.3: configuration #1 chosen from 1 choice > Oct 3 16:01:59 nimitz kernel: [ 180.495101] hub 3-4.3:1.0: USB hub found > Oct 3 16:01:59 nimitz kernel: [ 180.495409] hub 3-4.3:1.0: 4 ports detected > Oct 3 16:01:59 nimitz kernel: [ 180.600101] usb 3-4: usbdev_ioctl: CONNECTINFO > Oct 3 16:01:59 nimitz kernel: [ 180.600144] usb usb3: opened by process 6485: hald-addon-usb- > Oct 3 16:01:59 nimitz kernel: [ 180.600147] usb usb3: usbdev_ioctl: CONNECTINFO > Oct 3 16:01:59 nimitz kernel: [ 180.600167] usb 3-4: opened by process 6485: hald-addon-usb- > Oct 3 16:01:59 nimitz kernel: [ 180.600170] usb 3-4: usbdev_ioctl: IOCTL Without a usbmon log, I can't tell what may still be going wrong. Alan Stern -- 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/