From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762145AbYETIk0 (ORCPT ); Tue, 20 May 2008 04:40:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757164AbYETIkK (ORCPT ); Tue, 20 May 2008 04:40:10 -0400 Received: from minas.ics.muni.cz ([147.251.4.40]:40328 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751908AbYETIkI (ORCPT ); Tue, 20 May 2008 04:40:08 -0400 Date: Tue, 20 May 2008 10:39:42 +0200 From: Lukas Hejtmanek To: Alan Stern Cc: Greg KH , Kernel development list , USB list Subject: Re: 2.6.26-rc1 regression since 2.6.25 Message-ID: <20080520083942.GA5025@ics.muni.cz> References: <20080519104948.GA4557@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 10:39:43 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 19, 2008 at 11:47:11AM -0400, Alan Stern wrote: > > > > http://bugzilla.kernel.org/show_bug.cgi?id=10630 > > Can you attach an equivalent dmesg log for 2.6.25 (with > CONFIG_USB_DEBUG enabled, of course)? attached. > Let me get this straight. You booted without the dock, and then at > this line: > > > [14315425.975807] ACPI: \_SB_.GDCK - docking > > you plugged the computer into the dock, right? Yup. > > Then apparently here: > > > [14315508.451197] ehci_hcd 0000:00:1a.7: port 4 remote wakeup > > you plugged the USB drive into the dock, but it wasn't detected. Or > maybe I've got it backward, the drive was already plugged in when you > docked the computer, and 14315508.451197 is when you unplugged the > drive. Which was it? More precisly, it was already plugged but the external power of the USB drive was switched off and I just switched it on after I had docked. > Okay, let's see some more debugging information on this. Get a usbmon > trace (see Documentation/usb/usbmon.txt) for bus 3, starting just > before you dock the computer. That will tell us exactly what the > dock's USB hub is reporting. Moreover, I discovered that removing ehci module before I put the machine into the dock causes the uhci module to discover the USB device. Dmesg traces are attached. Do you still need the usbmon traces? -- Lukáš Hejtmánek