From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753535Ab2DBRjp (ORCPT ); Mon, 2 Apr 2012 13:39:45 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:64424 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752922Ab2DBRjo (ORCPT ); Mon, 2 Apr 2012 13:39:44 -0400 From: Maciej Rutecki Reply-To: maciej.rutecki@gmail.com To: Linux Kernel Mailing List , dri-devel@lists.freedesktop.org Subject: [3.4-rc1][Regression][intel] Resume from suspend to disk hangs on restoring backlight state Date: Mon, 2 Apr 2012 19:39:39 +0200 User-Agent: KMail/1.13.7 (Linux/3.4.0-rc1; KDE/4.7.4; x86_64; ; ) Cc: "Rafael J. Wysocki" MIME-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201204021939.39603.maciej.rutecki@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Last known good: 3.3 Bad kernel: 3.4-rc1 Subsystem: power management/suspend/dri(intel) When I resume from suspend to disk then system hangs on this screen: http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/DSC_5479.jpg It does not help SysRq keys. Only I can force power off by hold power button. Dmesg: http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/dmesg-3.4-rc1.txt Config: http://mrutecki.pl/download/kernel/3.4-rc1/suspend_resume/config-3.4.0-rc1 -- Maciej Rutecki http://www.mrutecki.pl