From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965041AbWILOIa (ORCPT ); Tue, 12 Sep 2006 10:08:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965148AbWILOIa (ORCPT ); Tue, 12 Sep 2006 10:08:30 -0400 Received: from hermes.domdv.de ([193.102.202.1]:10506 "EHLO hermes.domdv.de") by vger.kernel.org with ESMTP id S965041AbWILOI3 (ORCPT ); Tue, 12 Sep 2006 10:08:29 -0400 Message-ID: <4506BF56.6000309@domdv.de> Date: Tue, 12 Sep 2006 16:08:22 +0200 From: Andreas Steinmetz User-Agent: Mozilla Thunderbird 1.0.7 (X11/20051004) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pavel Machek , "Rafael J. Wysocki" CC: Linux Kernel Mailinglist Subject: uswsusp oddity X-Enigmail-Version: 0.92.1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I just tried uswsusp 0.2 and there is a strange problem (2.6.17.8, x86_64): The swap device used for suspend must be the first swap device, otherwise suspend fails. Contents of /etc/suspend.conf: snapshot device = /dev/snapshot resume device = /dev/hda2 #image size = 350000000 suspend loglevel = 7 #compute checksum = y #compress = y #encrypt = y early writeout = y #splash = y Output of /proc/swaps of the failing suspend: Filename Type Size Used Priority /dev/mapper/swap1 partition 1959920 0 2 /dev/mapper/swap2 partition 1959888 0 3 /dev/hda2 partition 1959920 0 1 Relevant portion of strace of suspend utility: mlockall(MCL_CURRENT|MCL_FUTURE) = 0 stat("/dev/hda2", {st_mode=S_IFBLK|0660, st_rdev=makedev(3, 2), ...}) = 0 open("/dev/hda2", O_RDWR) = 3 stat("/dev/snapshot", {st_mode=S_IFCHR|0600, st_rdev=makedev(10, 231), ...}) = 0 open("/dev/snapshot", O_RDONLY) = 4 ioctl(4, 0x4004330a, 0x302) = -1 ENODEV (No such device) write(2, "suspend: Could not use the resum"..., 57suspend: Could not use the res ume device (try swapon -a) There seems to be something wrong with the SNAPSHOT_SET_SWAP_FILE ioctl. If I do the following sequence suspend works: swapoff -a swapon -p 1 /dev/hda2 swapon -a -- Andreas Steinmetz SPAMmers use robotrap@domdv.de