From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752622Ab0CDNzR (ORCPT ); Thu, 4 Mar 2010 08:55:17 -0500 Received: from perec.tyrell.hu ([66.197.149.104]:55111 "EHLO perec.tyrell.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750939Ab0CDNzP (ORCPT ); Thu, 4 Mar 2010 08:55:15 -0500 Message-ID: <4B8FBBBA.8070308@maroy.hu> Date: Thu, 04 Mar 2010 14:55:06 +0100 From: =?ISO-8859-1?Q?=C1kos_Mar=F3y?= Organization: Tyrell Corporation User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Alan Stern CC: "Rafael J. Wysocki" , Kernel development list , Greg KH , USB list Subject: Re: pm_op(): usb_dev_suspend+0x0/0x10 returns -2 on USB device 8087:0020 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alan, in this thread, earlier I wrote: >> By the way, I noticed above that you have xhci-hcd installed. As far >> as I know, that driver does not yet support system suspend. You should >> try unloading xhci-hcd before doing the suspend (both with and without >> CONFIG_USB_DEBUG). > > wow, rmmod xhci - and the suspend goes through fine! now, I re-installed the system, and suspend doesn't work anymore. if I have the xhci module loaded, it fails and returns to the screen right away. if I unload the xhci module, I get to the character console, and then the machine hangs there - nothing happens anymore. only a power cycle helps. I don't know what was different when at least suspend worked :( I'll try to do some more debugging.. Akos