From: Christoph Subject: Re: [PATCH] PM / Freezer: Freeze filesystems while freezing processes (v2) Date: Mon, 26 Sep 2011 07:27:20 +0200 Message-ID: <4E800D38.8000903@u-club.de> References: <4E1C70AD.1010101@u-club.de> <201109251532.20025.rjw@sisk.pl> <4E7FA3C7.5050503@u-club.de> <201109260010.50649.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Theodore Ts'o , LKML , xfs@oss.sgi.com, Christoph Hellwig , Nigel Cunningham , Pavel Machek , linux-fsdevel@vger.kernel.org, Linux PM mailing list , linux-ext4@vger.kernel.org To: "Rafael J. Wysocki" Return-path: Received: from mail.uscreen.net ([62.67.233.10]:52186 "EHLO mail.uscreen.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751078Ab1IZF1a (ORCPT ); Mon, 26 Sep 2011 01:27:30 -0400 In-Reply-To: <201109260010.50649.rjw@sisk.pl> Sender: linux-ext4-owner@vger.kernel.org List-ID: On 26.09.2011 00:10, Rafael J. Wysocki wrote: > 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 very good. seems to fix resume, at least the 2 times I tested so far. tx! :) chris > > Thanks, > Rafael > > _______________________________________________ > xfs mailing list > xfs@oss.sgi.com > http://oss.sgi.com/mailman/listinfo/xfs