From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758769Ab3BWAOO (ORCPT ); Fri, 22 Feb 2013 19:14:14 -0500 Received: from hydra.sisk.pl ([212.160.235.94]:41776 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758341Ab3BWAOM (ORCPT ); Fri, 22 Feb 2013 19:14:12 -0500 From: "Rafael J. Wysocki" To: Dave Jones Cc: Fabio Baltieri , 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 Date: Sat, 23 Feb 2013 01:20:52 +0100 Message-ID: <1550501.km85QgikaX@vostro.rjw.lan> User-Agent: KMail/4.9.5 (Linux/3.8.0; KDE/4.9.5; x86_64; ; ) In-Reply-To: <20130222222304.GA19546@redhat.com> References: <20130222085954.GA4352@redhat.com> <20130222215158.GA4723@balto.lan> <20130222222304.GA19546@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, February 22, 2013 05:23:04 PM Dave Jones wrote: > On Fri, Feb 22, 2013 at 10:51:58PM +0100, Fabio Baltieri wrote: > > 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: > > > > > > It looks like every port on my laptop is powered down, as I can't > > > even charge devices with it. > > > > 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! > > Good find. I see the same thing. > > [ 0.930283] ACPI _OSC control for PCIe not granted, disabling ASPM > [ 0.933527] pci 0000:00:14.0: System wakeup disabled by ACPI > [ 0.935982] pci 0000:00:19.0: System wakeup disabled by ACPI > [ 0.937898] pci 0000:00:1a.0: System wakeup disabled by ACPI > [ 0.939835] pci 0000:00:1b.0: System wakeup disabled by ACPI > [ 0.940700] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP1._PRT] > [ 0.942195] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP2._PRT] > [ 0.943737] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.EXP3._PRT] > [ 0.944564] pci 0000:00:1c.2: System wakeup disabled by ACPI > [ 0.966491] pci 0000:00:1d.0: System wakeup disabled by ACPI > > I must have pulled in the acpi bits the same time as the usb pull, > because I don't recall seeing this problem before last night. Can you please check if the problem is still there in the master branch of the linux-pm.git tree alone? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.