Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752330Ab0BWIkK (ORCPT ); Tue, 23 Feb 2010 03:40:10 -0500 Received: from perec.tyrell.hu ([66.197.149.104]:36942 "EHLO perec.tyrell.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751660Ab0BWIkJ (ORCPT ); Tue, 23 Feb 2010 03:40:09 -0500 X-Greylist: delayed 610 seconds by postgrey-1.27 at vger.kernel.org; Tue, 23 Feb 2010 03:40:09 EST Message-ID: <4B839202.8090008@maroy.hu> Date: Tue, 23 Feb 2010 09:29:54 +0100 From: =?ISO-8859-1?Q?=C1kos_Mar=F3y?= User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: pm_op(): usb_dev_suspend+0x0/0x10 returns -2 on USB device 8087:0020 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: 1685 Lines: 47 Hi, I wonder if this is the write place to post this issue to, but I have a proplem when trying go suspend or hibernate my system. after enabling pm_trace by: echo 1 > /sys/power/pm_trace and then issuing pm-suspend, I get the following in dmesg: [ 685.833275] PM: Entering mem sleep [ 685.833292] Suspending console(s) (use no_console_suspend to debug) [ 685.993399] pm_op(): usb_dev_suspend+0x0/0x10 returns -2 [ 685.993404] PM: Device usb2 failed to suspend: error -2 [ 685.993408] PM: Some devices failed to suspend [ 685.997009] PM: resume devices took 0.000 seconds [ 685.997169] PM: Finishing wakeup. this is on 2.6.32.8, but on 2.6.33-rc8 I get the same results. trying to find out what device this is: $ lsusb Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 003: ID 0bda:0159 Realtek Semiconductor Corp. Bus 001 Device 004: ID 04f2:b16c Chicony Electronics Co., Ltd Bus 001 Device 005: ID 03f0:231d Hewlett-Packard Bus 001 Device 002: ID 8087:0020 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub my persumption is that "Device usb2" would be device 002 on bus 001 above, that is, 8087:0020. googling for this USB id I found some references here: http://forum.notebookreview.com/showthread.php?p=5906076 : Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub I wonder what could be done to make this device not sabotage the suspend 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/