From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932185Ab0ECGeu (ORCPT ); Mon, 3 May 2010 02:34:50 -0400 Received: from smtprelay.restena.lu ([158.64.1.62]:54433 "EHLO smtprelay.restena.lu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932138Ab0ECGes convert rfc822-to-8bit (ORCPT ); Mon, 3 May 2010 02:34:48 -0400 Date: Mon, 3 May 2010 08:34:49 +0200 From: Bruno =?UTF-8?B?UHLDqW1vbnQ=?= To: Alan Stern Cc: dri-devel@lists.freedesktop.org, "Rafael J. Wysocki" , , Subject: Re: s2ram slow (radeon) / failing (usb) Message-ID: <20100503083449.7355b457@pluto.restena.lu> In-Reply-To: References: <20100502220628.0728d8d4@neptune.home> X-Mailer: Claws Mail 3.7.5 (GTK+ 2.18.7; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2 May 2010 17:59:17 -0400 (EDT) Alan Stern wrote: > On Sun, 2 May 2010, Bruno [UTF-8] Prémont wrote: > > > > There's no way to fix the USB problem without knowing what goes > > > wrong. Let's see how far you get before the system freezes on a > > > kernel with CONFIG_USB_DEBUG enabled. > > > > Am I missing something? > > > > I've enabled CONFIG_USB_DEBUG but don't see any additional module > > parameter nor anything extra to toggle and I don't get more output > > than without it. > > Depends what you mean by "output". The kernel generates more log > messages, but they may not get sent to your console. You need to > make sure the console's log level is set high enough to see debugging > messages. For example: > > echo 9 >/proc/sys/kernel/printk > > or type Alt-SysRq-9. I've been doing `dmesg -n 8` (9 is rejected as invalid) so it should send out everything. It looked like there was some more output during boot-up, but nothing during suspend, at least up to the freezing point. Bruno