From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266580AbUHVJJY (ORCPT ); Sun, 22 Aug 2004 05:09:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266598AbUHVJJY (ORCPT ); Sun, 22 Aug 2004 05:09:24 -0400 Received: from mail.ocs.com.au ([202.147.117.210]:57028 "EHLO mail.ocs.com.au") by vger.kernel.org with ESMTP id S266580AbUHVJJV (ORCPT ); Sun, 22 Aug 2004 05:09:21 -0400 X-Mailer: exmh version 2.6.3_20040314 03/14/2004 with nmh-1.0.4 From: Keith Owens To: linux-kernel@vger.kernel.org Subject: 2.6.8.1 - intermittent unblanking problem on Radeon Mobility 7500 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sun, 22 Aug 2004 19:09:12 +1000 Message-ID: <2306.1093165752@ocs3.ocs.com.au> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I have an intermittent unblanking problem with a Compaq Evo N800v laptop, running 2.6.8.1 with xorg x11 6.7.0-2 (Fedora Core 2). This occurs from just blanking the screen, I am not shutting the lid. The screen and backlight correctly turn off after a few minutes. Most of the time pressing any key will bring the display back. On rare occasions, the backlight comes on but there is no data displayed, just a blank screen. Switching back to a text console makes no difference, nothing is displayed. Shutting down X and restarting it makes no difference. Once the display is gone, the only fix is to reboot the laptop. What diagnostics are worth getting for this intermittent problem? Any useful card registers that can be dumped? lspci -v 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500] (prog-if 00 [VGA]) Subsystem: Compaq Computer Corporation: Unknown device 004a Flags: bus master, stepping, 66Mhz, medium devsel, latency 66, IRQ 11 Memory at 88000000 (32-bit, prefetchable) I/O ports at 3000 [size=256] Memory at 80380000 (32-bit, non-prefetchable) [size=64K] Capabilities: [58] AGP version 2.0 Capabilities: [50] Power Management version 2 .config extract. ACPI but no APM. radeon and agpgart modules are loaded but have a use count of 0. CONFIG_ACPI=y CONFIG_ACPI_BOOT=y CONFIG_ACPI_INTERPRETER=y CONFIG_ACPI_AC=m CONFIG_ACPI_BATTERY=m CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m CONFIG_ACPI_PROCESSOR=m CONFIG_ACPI_THERMAL=m CONFIG_ACPI_ASUS=m CONFIG_ACPI_TOSHIBA=m CONFIG_ACPI_BUS=y CONFIG_ACPI_EC=y CONFIG_ACPI_POWER=y CONFIG_ACPI_PCI=y CONFIG_ACPI_SYSTEM=y CONFIG_X86_ACPI_CPUFREQ=m CONFIG_AGP=m CONFIG_AGP_INTEL=m CONFIG_DRM=y CONFIG_DRM_RADEON=m