From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761703AbXGDLZs (ORCPT ); Wed, 4 Jul 2007 07:25:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759360AbXGDLZ3 (ORCPT ); Wed, 4 Jul 2007 07:25:29 -0400 Received: from ozlabs.org ([203.10.76.45]:42670 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757740AbXGDLZ1 (ORCPT ); Wed, 4 Jul 2007 07:25:27 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18059.33636.66185.902453@cargo.ozlabs.ibm.com> Date: Wed, 4 Jul 2007 21:24:20 +1000 From: Paul Mackerras To: "Rafael J. Wysocki" Cc: Benjamin Herrenschmidt , Matthew Garrett , linux-kernel@vger.kernel.org, Pavel Machek , linux-pm@lists.linux-foundation.org Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway In-Reply-To: <200707041310.11336.rjw@sisk.pl> References: <20070703042916.GA17240@srcf.ucam.org> <200707041233.18199.rjw@sisk.pl> <18059.31464.183382.358931@cargo.ozlabs.ibm.com> <200707041310.11336.rjw@sisk.pl> X-Mailer: VM 7.19 under Emacs 21.4.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Rafael J. Wysocki writes: > BTW, does your platform's suspend work on SMP systems? Yes; currently we require userspace to offline all cpus other than the boot cpu before initiating the suspend. The main difficulty is actually that SMP powermacs that can suspend tend to have video cards that get powered off in suspend. We know how to re-initialize one (the Radeon RV100 QW) but not others. That's an orthogonal issue to the issues we have been discussing, though. Paul.