Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759476Ab0BYRHw (ORCPT ); Thu, 25 Feb 2010 12:07:52 -0500 Received: from perec.tyrell.hu ([66.197.149.104]:58828 "EHLO perec.tyrell.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759465Ab0BYRHu (ORCPT ); Thu, 25 Feb 2010 12:07:50 -0500 Message-ID: <4B86AE61.3080701@maroy.hu> Date: Thu, 25 Feb 2010 18:07:45 +0100 From: =?ISO-8859-1?Q?=C1kos_Mar=F3y?= 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 Content-Length: 769 Lines: 22 Alan, > 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). as I added xhci among the SUSPEND_MODULES for pm, I tried pm-hibernate after a successful pm-suspend. but this doesn't work, the machine just goes blank, and it doesn't power off. doing a power cycle boots it 'as usual'. how can one debug the hibernation process? Akos -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/