From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ns.uli-eckhardt.de ([85.214.28.137]:57311 "EHLO mail.uli-eckhardt.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757204Ab2JYRQB (ORCPT ); Thu, 25 Oct 2012 13:16:01 -0400 Message-ID: <508973CE.8080603@uli-eckhardt.de> Date: Thu, 25 Oct 2012 19:15:58 +0200 From: Ulrich Eckhardt MIME-Version: 1.0 To: Bjorn Helgaas , "linux-usb@vger.kernel.org" CC: "Rafael J. Wysocki" , Sarah Sharp , linux-pci@vger.kernel.org, Alan Stern Subject: Re: Unreliable USB3 with NEC uPD720200 and Delock Cardreader References: <50841CCC.9030809@uli-eckhardt.de> <5086D067.4000900@uli-eckhardt.de> <6817642.hqndXjdIQA@vostro.rjw.lan> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-pci-owner@vger.kernel.org List-ID: Am 24.10.2012 23:13, schrieb Bjorn Helgaas: > On Wed, Oct 24, 2012 at 3:10 PM, Rafael J. Wysocki wrote: > >> It can be disabled by writing "on" to the controller's >> /sys/devices/.../power/control file. > > Ulrich, if you boot in the working situation and write "on" to the > control file as above, can you still reproduce the failure? I have done first a cat to the control file which returns already on: uli:/ # cat /sys/devices/pci0000\:00/0000\:00\:04.0/power/control on Writing again on to the file does not change anything. Best Regards Uli -- Ulrich Eckhardt http://www.uli-eckhardt.de Ein Blitzableiter auf dem Kirchturm ist das denkbar stärkste Misstrauensvotum gegen den lieben Gott. (Karl Krauss)