From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933845AbYETQMJ (ORCPT ); Tue, 20 May 2008 12:12:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760534AbYETQLz (ORCPT ); Tue, 20 May 2008 12:11:55 -0400 Received: from minas.ics.muni.cz ([147.251.4.40]:42031 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757045AbYETQLx (ORCPT ); Tue, 20 May 2008 12:11:53 -0400 Date: Tue, 20 May 2008 18:11:42 +0200 From: Lukas Hejtmanek To: Alan Stern Cc: Oliver Neukum , "Rafael J. Wysocki" , Linux Kernel Mailing List , greg@kroah.com, linux-usb@vger.kernel.org Subject: Re: [Bug #10630] USB devices plugged into dock are not discoverred until reload of ehci-hcd Message-ID: <20080520161142.GA4655@ics.muni.cz> References: <20080520123423.GA4764@ics.muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.17+20080114 (2008-01-14) X-Muni-Spam-TestIP: 147.251.3.109 X-Muni-Envelope-From: xhejtman@anubis.ics.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Tue, 20 May 2008 18:11:43 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 20, 2008 at 11:20:10AM -0400, Alan Stern wrote: > > On Tue, May 20, 2008 at 01:27:34PM +0200, Oliver Neukum wrote: > > > > done. > > > > http://bugzilla.kernel.org/show_bug.cgi?id=10630 > > > > > > Aha. Thanks. > > > Please recompile without CONFIG_USB_SUSPEND > > > > Hm, without USB_SUSPEND it works. So what next, considered fixed or any > > further investigation is needed? > > No further investigation is needed. I tried doing essentially the same > thing on my system and the same problem occurred. > > It is caused by the way ehci-hcd "auto-clears" the port > change-suspend feature. This patch should fix the problem. Please > try it out and let us know if it works. seems to be working, device is detected. Thanks. Please, push the patch. -- Lukáš Hejtmánek