Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751899AbYJSQvl (ORCPT ); Sun, 19 Oct 2008 12:51:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751503AbYJSQvc (ORCPT ); Sun, 19 Oct 2008 12:51:32 -0400 Received: from lucidpixels.com ([75.144.35.66]:43924 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751500AbYJSQvc (ORCPT ); Sun, 19 Oct 2008 12:51:32 -0400 Date: Sun, 19 Oct 2008 12:51:31 -0400 (EDT) From: Justin Piszcz To: Oliver Neukum , Alan Stern cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: Kernel 2.6.26.5 -> 2.6.27.2 [USB REGRESSION] (USB -> D_STATE) In-Reply-To: <200810191734.11044.oliver@neukum.org> Message-ID: References: <200810191734.11044.oliver@neukum.org> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1083 Lines: 37 On Sun, 19 Oct 2008, Oliver Neukum wrote: > You should turn on the usbfs_snoop module parameter for usbcore and see > what shows up in the system log. > Alan Stern Tried this, kernel would not boot up any further when I had that enabled alongside the 'extra' debugging options in the kernel: http://home.comcast.net/~jpiszcz/20081019/2.6.27.2-usb-extra-debug.txt My netconsole is not working right at the moment either so I was not able to pull a sysrq-of this, but it hung twice, once on one device, rebooted then it hung on another device the second time. > > Please get sysrq-t of a hang. > > Regards > Oliver > Before I tried the above, I was able to get a sysrq-t of the hang: http://home.comcast.net/~jpiszcz/20081019/trace_before_trigger.txt http://home.comcast.net/~jpiszcz/20081019/trace_after_trigger.txt Justin. -- 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/