From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757844Ab3BVQnb (ORCPT ); Fri, 22 Feb 2013 11:43:31 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56938 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757381Ab3BVQn3 (ORCPT ); Fri, 22 Feb 2013 11:43:29 -0500 Date: Fri, 22 Feb 2013 11:43:18 -0500 From: Dave Jones To: Lan Tianyu Cc: Greg KH , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: [GIT PATCH] USB patches for 3.9-rc1 Message-ID: <20130222164318.GA27619@redhat.com> Mail-Followup-To: Dave Jones , Lan Tianyu , Greg KH , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org References: <20130221184010.GA24692@kroah.com> <20130222085954.GA4352@redhat.com> <51273F8E.3020807@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51273F8E.3020807@intel.com> 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 05:51:10PM +0800, Lan Tianyu wrote: > > > 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. > > Do you enable the port/power/pm_qos_no_power_off? > cat /sys/bus/usb/devices/(dev)/port/power/pm_qos_no_power_off to show. /sys/bus/usb/devices/1-1.4/port/power/pm_qos_no_power_off:1 /sys/bus/usb/devices/1-1.6/port/power/pm_qos_no_power_off:1 /sys/bus/usb/devices/1-1/port/power/pm_qos_no_power_off:1 /sys/bus/usb/devices/2-1/port/power/pm_qos_no_power_off:1 I changed them to 0, made no difference. > > What can I do to debug this ? > Can you attach the output of dmesg with CONFIG_USB_DEBUG? http://paste.fedoraproject.org/3620 Dave