From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758668Ab0KOW15 (ORCPT ); Mon, 15 Nov 2010 17:27:57 -0500 Received: from ogre.sisk.pl ([217.79.144.158]:51260 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756050Ab0KOW15 (ORCPT ); Mon, 15 Nov 2010 17:27:57 -0500 From: "Rafael J. Wysocki" To: Pavel Machek Subject: Re: 2.6.37-rc1+: hibernate regression, claims not enough swap space Date: Mon, 15 Nov 2010 23:26:44 +0100 User-Agent: KMail/1.13.5 (Linux/2.6.37-rc1-rjw+; KDE/4.4.4; x86_64; ; ) Cc: kernel list , "Linux-pm mailing list" References: <20101114052138.GB2189@elf.ucw.cz> In-Reply-To: <20101114052138.GB2189@elf.ucw.cz> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201011152326.44357.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sunday, November 14, 2010, Pavel Machek wrote: > Hi! Hi, > ...but there's enough -- or at least it was enough to fit previous > versions. 32-bit machine, so it has highmem. > > System is in console mode, very lightly loaded. > > Mem: 2054716k total, 736548k used, 1318168k free, 15368k buffers > Swap: 779148k total, 2360k used, 776788k free, 546388k cached Well, the swap is rather in short supply. Below the 50% of RAM recommendation. > thinkpad_acpi: ACPI backlight control delay disabled > PM: thaw of devices complete after 539.577 msecs > PM: writing image. > PM: Free swap pages: 194166 > PM: Not enough free swap > Restarting tasks ... > > Aha, and it is the new default /sys/power/image_size .. setting it to > 0 lets machine hibernate. I guess the new default is very wrong for > highmem machine... The old default did the wrong thing for everyone with sufficient swap (it made the OOM code trigger every time while preparing to create an image), so I think the new one it's better overall. Thanks, Rafael