From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271924AbTGYHh1 (ORCPT ); Fri, 25 Jul 2003 03:37:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271943AbTGYHh0 (ORCPT ); Fri, 25 Jul 2003 03:37:26 -0400 Received: from imap.gmx.net ([213.165.64.20]:1695 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S271924AbTGYHhZ (ORCPT ); Fri, 25 Jul 2003 03:37:25 -0400 Date: Fri, 25 Jul 2003 09:52:22 +0200 From: Dominik Brugger To: Pavel Machek Cc: kernel list , linux-usb-devel@lists.sourceforge.net Subject: Re: OHCI problems with suspend/resume Message-Id: <20030725095222.21a2632e.ml.dominik83@gmx.net> In-Reply-To: <20030724224600.GB430@elf.ucw.cz> References: <20030723220805.GA278@elf.ucw.cz> <20030724143731.5fe40b4e.ml.dominik83@gmx.net> <20030724224600.GB430@elf.ucw.cz> X-Mailer: Sylpheed version 0.9.0claws (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Good morning, > Do not unload modules before suspend, they should handle that just > fine. If I keep them loaded during suspend: [...] Suspending devices uhci-hcd 0000:00:11.2: suspend to state 3 drivers/usb/host/uhci-hcd.c: dc00: suspend_hc hwsleep-0257 [10] acpi_enter_sleep_state: Entering sleep state [S3] Enabling SEP on CPU 0 Back to C! Devices Resumed uhci-hcd 0000:00:11.2: resume [...] drivers/usb/host/uhci-hcd.c: dc00: wakeup_hc Mouse doesn't work, unplug: hub 1-0:0: port 1, status 300, change 3, 1.5 Mb/s usb 1-1: USB disconnect, address 2 drivers/usb/core/usb.c: nuking urbs assigned to 1-1 usb 1-1: unregistering interfaces drivers/usb/core/usb.c: nuking urbs assigned to 1-1 usb 1-1: hcd_unlink_urb df7be640 fail -22 usb 1-1: hcd_unlink_urb df7be540 fail -22 drivers/usb/core/usb.c: usb_hotplug usb 1-1: unregistering device drivers/usb/core/usb.c: usb_hotplug hub 1-0:0: port 1 enable change, status 300 drivers/usb/host/uhci-hcd.c: dc00: suspend_hc replug: hub 1-0:0: port 1, status 301, change 3, 1.5 Mb/s hub 1-0:0: debounce: port 1: delay 100ms stable 4 status 0x301 hub 1-0:0: new USB device on port 1, assigned address 3 drivers/usb/core/message.c: usb_control/bulk_msg: timeout Further attempts to un/re-plug the device show no response. (Same with Canon Powershot instead of Logitech USB Mouse) > With uhci on toshiba satelite I can do both S3 and S4, and USB > survives that (at least it is able to power devices and detects > plugs/unplugs). In my case it is an Epox 8kha+ board, the problem should not be hardware specific since Suspend To RAM works under WinXP. I will try S4 lateron. -Dominik Brugger