From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756907AbZASUr1 (ORCPT ); Mon, 19 Jan 2009 15:47:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753404AbZASUrP (ORCPT ); Mon, 19 Jan 2009 15:47:15 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:39550 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753137AbZASUrO (ORCPT ); Mon, 19 Jan 2009 15:47:14 -0500 From: "Rafael J. Wysocki" To: Andrey Borzenkov Subject: Re: [2.6.29-rc2] First suspend after reboot resumes immediately. Date: Mon, 19 Jan 2009 21:46:26 +0100 User-Agent: KMail/1.10.3 (Linux/2.6.29-rc2-tst; KDE/4.1.3; x86_64; ; ) Cc: linux-usb@vger.kernel.org, linux-pm@lists.linux-foundation.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org References: <200901192339.03967.arvidjaar@mail.ru> In-Reply-To: <200901192339.03967.arvidjaar@mail.ru> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200901192146.26753.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 19 January 2009, Andrey Borzenkov wrote: > Subsequent suspends seem fine. I suspect it is related to USB controller; > but because I see ACPI related message this is sent to linux-acpi as well. > > Specifically, I am suspicious of this: > > [ 132.763954] ohci_hcd 0000:00:02.0: wake-up capability enabled by ACPI > > The controller immediately resumes after any attempt to suspend it, so any > autosuspend functionality is currently disabled. But it /looks/ like ACPI > somehow tries to do it anyway. > > I can also reproduce it by unloading and reloading USB drivers which > supports USB guess. This looks like http://bugzilla.kernel.org/show_bug.cgi?id=12399 . Thanks, Rafael