From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: [GIT PATCH] USB patches for 3.9-rc1 Date: Sat, 23 Feb 2013 02:00:34 +0100 Message-ID: <1705229.vSbifsr2b3@vostro.rjw.lan> References: <20130222085954.GA4352@redhat.com> <20130222215158.GA4723@balto.lan> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7Bit Return-path: Received: from hydra.sisk.pl ([212.160.235.94]:41806 "EHLO hydra.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750997Ab3BWAx4 (ORCPT ); Fri, 22 Feb 2013 19:53:56 -0500 In-Reply-To: <20130222215158.GA4723@balto.lan> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Fabio Baltieri Cc: Dave Jones , 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 On Friday, February 22, 2013 10:51:58 PM 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: > > > > > 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! May I see the bisection log, BTW? Rafael -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center.