From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757839Ab3BVVwN (ORCPT ); Fri, 22 Feb 2013 16:52:13 -0500 Received: from mail-ea0-f173.google.com ([209.85.215.173]:40339 "EHLO mail-ea0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757009Ab3BVVwL (ORCPT ); Fri, 22 Feb 2013 16:52:11 -0500 Date: Fri, 22 Feb 2013 22:51:58 +0100 From: Fabio Baltieri To: Dave Jones Cc: Greg KH , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, tianyu.lan@intel.com, "Rafael J. Wysocki" , linux-acpi@vger.kernel.org Subject: Re: [GIT PATCH] USB patches for 3.9-rc1 Message-ID: <20130222215158.GA4723@balto.lan> References: <20130222085954.GA4352@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130222085954.GA4352@redhat.com> X-Operating-System: Linux balto 3.8.0-rc2-00017-ge0ebda2 x86_64 GNU/Linux User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 22, 2013 at 03:59:54AM -0500, Dave Jones wrote: > On Thu, Feb 21, 2013 at 10:40:10AM -0800, Greg KH wrote: > > > USB patches for 3.9-rc1 > > > > Here's the big USB merge for 3.9-rc1 > > > > Nothing major, lots of gadget fixes, and of course, xhci stuff. > > I get no USB devices recognised when I insert them any more, which > I think is pretty major. I suspect it has something to do with this ? > > > Lan Tianyu (12): > > usb: add runtime pm support for usb port device > > usb: add usb port auto power off mechanism > > It looks like every port on my laptop is powered down, as I can't > even charge devices with it. Hi Dave, I have the same problem (and almost the same laptop, Thinkpad T430 here), all external USB ports without power - even the always-on one :-). The bug seems to be ACPI related, I bisected it down to this patch: f95988d ACPI / scan: Treat power resources in a special way In the dmesg I have some error like these: ACPI: Power Resource [PUBS] (on) ... pci 0000:00:14.0: System wakeup disabled by ACPI for the USB controllers in the broken kernel, there are some in your dmesg too. I'll try to come up with a fix for current mainline, but all the acpi stuff is quite obscure to me and the patch does not revert cleanly, maybe Rafael (in CC) has some idea! Fabio -- Fabio Baltieri