Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762268AbXIMJdz (ORCPT ); Thu, 13 Sep 2007 05:33:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754581AbXIMJdp (ORCPT ); Thu, 13 Sep 2007 05:33:45 -0400 Received: from cantor2.suse.de ([195.135.220.15]:47994 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753210AbXIMJdo (ORCPT ); Thu, 13 Sep 2007 05:33:44 -0400 Date: Thu, 13 Sep 2007 02:36:51 -0700 From: Greg KH To: Mark Lord , Alan Stern , Oliver Neukum Cc: Michal Piotrowski , Linus Torvalds , Andrew Morton , LKML , Ingo Molnar , Markus , Jeff Chua , "Antonino A. Daplas" , linux-alpha@vger.kernel.org, Stefan Becker , Andi Kleen , Dave Jones , Len Brown , Pavel Machek , Thomas Gleixner , Jakub Jelinek , Jeff Dike , user-mode-linux-devel@lists.sourceforge.net, Adrian Bunk Subject: Re: [1/4] 2.6.23-rc6: known regressions Message-ID: <20070913093651.GA5077@suse.de> References: <46E81AC6.3000306@googlemail.com> <46E8A572.7050209@rtr.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <46E8A572.7050209@rtr.ca> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1242 Lines: 34 On Wed, Sep 12, 2007 at 10:50:26PM -0400, Mark Lord wrote: > Michal Piotrowski wrote: >> Hi all, >> Here is a list of some known regressions in 2.6.23-rc6. > ... > > Missing from the list: > > USB "autosuspend" feature (new in 2.6.23) breaks *lots* of devices. > Many have since been blacklisted in one-at-a-time discovery patches, > but that's really just the tip of the iceberg. > > This "feature" breaks a TON of user-visible things, > mostly USB storage devices (USB drives/pens, digicams, etc..). > > The functionality is broken for just too much stuff, > and needs to either be reverted or defaulted to "off" rather than "on". Ok, after conferring with Oliver this morning, I think the best solution here is to both revert the usb-storage suspend patch as it has some basic problems that can cause data loss, _and_ add the change to the kernel that by default disables autosuspend on all USB devices except hubs. If anyone has any objections to this, please let me know. thanks, greg k-h - 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/