Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755271AbZJRUmJ (ORCPT ); Sun, 18 Oct 2009 16:42:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755215AbZJRUmJ (ORCPT ); Sun, 18 Oct 2009 16:42:09 -0400 Received: from netrider.rowland.org ([192.131.102.5]:46558 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755153AbZJRUmI (ORCPT ); Sun, 18 Oct 2009 16:42:08 -0400 Date: Sun, 18 Oct 2009 16:42:11 -0400 (EDT) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Justin Piszcz cc: nut-upsuser@lists.alioth.debian.org, , Subject: Re: 2.6.31.4: USB/UPS connectivity issue on Intel DP55KG Motherboard [DEBUG logs included upsd/upsmon/usbhid-ups] In-Reply-To: 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: 1317 Lines: 35 On Sun, 18 Oct 2009, Justin Piszcz wrote: > >> I have included debugging logs-- see below, is this a nut or kernel/USB > >> subsystem issue? > >> > >> Robert/Nut User List-- > >> > >> Looks like the data goes stale, please let me know if any more > >> logs/debugging is required, is this a kernel/usb problem or a nut issue? I > >> recall a change in the USB subsystem a few kernel versions back caused a > >> different issue (on a different UPS, but nevertheless it was kernel > >> related). > > > > The details+logs are here (previous e-mail did not go through, too large for > the list): > wget http://home.comcast.net/~jpiszcz/20091014/nut-problem.txt > > For now I have disabled nut-- is there any more debugging that I can do to > help find/solve the problem? Also cc'ing linux-usb & linux-kernel on this > one. You could collect a usbmon trace showing the problem. For instructions, see the kernel source file Documentation/usb/usbmon.txt. It might also help to provide the dmesg log from a kernel built with CONFIG_USB_DEBUG enabled. 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/