From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756260Ab3AQS4n (ORCPT ); Thu, 17 Jan 2013 13:56:43 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:33325 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755039Ab3AQS4l (ORCPT ); Thu, 17 Jan 2013 13:56:41 -0500 Date: Thu, 17 Jan 2013 13:56:39 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Joseph Salisbury cc: Ben Hutchings , LKML , , Greg KH , Herton Krzesinski , , Subject: Re: [REVERT][v3.x.y] EHCI: Update qTD next pointer in QH overlay region during unlink In-Reply-To: <50F84441.8080300@canonical.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 17 Jan 2013, Joseph Salisbury wrote: > Hello, > > Please consider reverting commit > 3d037774b42ed677f699b1dce7d548d55f4e4c2b in mainline as well as in the > current stable releases. It was included upstream as of v3.6-rc6. This > commit introduced a regression, described in the following bug report: > > http://bugs.launchpad.net/bugs/1088733 > > Reverting commit 3d037774b42ed677f699b1dce7d548d55f4e4c2b in the v3.2 > kernel has been confirmed to resolve the aforementioned bug. I do not want to revert this commit without first understanding what is going wrong. Please ask the reporter to post usbmon traces showing what happens in both a failed and a successful recording attempt. Alan Stern