From: "Rafael J. Wysocki" Subject: Re: [PATCH] PM / Freezer: Freeze filesystems while freezing processes (v2) Date: Mon, 26 Sep 2011 00:10:50 +0200 Message-ID: <201109260010.50649.rjw@sisk.pl> References: <4E1C70AD.1010101@u-club.de> <201109251532.20025.rjw@sisk.pl> <4E7FA3C7.5050503@u-club.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Cc: Dave Chinner , Linux PM mailing list , Pavel Machek , Nigel Cunningham , Christoph Hellwig , xfs@oss.sgi.com, LKML , linux-ext4@vger.kernel.org, "Theodore Ts'o" , linux-fsdevel@vger.kernel.org To: Christoph Return-path: Received: from ogre.sisk.pl ([217.79.144.158]:55055 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751023Ab1IYWIj (ORCPT ); Sun, 25 Sep 2011 18:08:39 -0400 In-Reply-To: <4E7FA3C7.5050503@u-club.de> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sunday, September 25, 2011, Christoph wrote: > On 25.09.2011 15:32, Rafael J. Wysocki wrote: > > On Sunday, September 25, 2011, Christoph wrote: > >> test results of the patch below: > >> > >> 1. real machine > >> > >> suspends fine but on wakeup, after loading image: hard reset. nvidia > >> gpu => disabled compitz => wakeup worked two times. > > > > Hmm, so there's a separate bug related to NVidia I guess. > > Maybe. > > Just made another test: the machine (macbook) woke up, loaded image, thaw. > It got stuck at vt#1, displaying console with login. Cursor blinking, but > no (usb) keyboard or network enabled. Bricked?!! > > > On the other hand I've got another box with nvidia gpu: > > debian5 32bit > 2.6.38.2+ #3 SMP Fri Apr 1 > nvidia 260.19.36 > > It's up since I compiled the kernel: I use it twice a week and I kept it > freezed all the time. It was solid rock until today: hard reset on resume. > WTF? (I remember this version combo was stable on the macbook but the > kernel lacks a solid wireless driver). If that's an x86_64 system, there is a known bug causing problems like this to happen. There's a patch fixing it, but not conclusive: http://marc.info/?l=linux-kernel&m=131653513414314&w=2 Thanks, Rafael