From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757883Ab2HQK5z (ORCPT ); Fri, 17 Aug 2012 06:57:55 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:32915 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030992Ab2HQK5v (ORCPT ); Fri, 17 Aug 2012 06:57:51 -0400 MIME-Version: 1.0 Date: Fri, 17 Aug 2012 13:57:49 +0300 X-Google-Sender-Auth: 67F7A-B01ndHTNg9jhb5t1VK28o Message-ID: Subject: [PROBLEM] thinkpad_acpi: unhandled HKEY event 0x6040 From: Pekka Enberg To: ibm-acpi-devel@lists.sourceforge.net Cc: LKML , Henrique de Moraes Holschuh , Matthew Garrett , platform-driver-x86@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, I'm seeing this when I dock a Thinkpad X220 laptop: [ 3129.616279] thinkpad_acpi: unknown possible thermal alarm or keyboard event received [ 3129.616297] thinkpad_acpi: unhandled HKEY event 0x6040 [ 3129.616298] thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel@lists.sourceforge.net [ 3129.616949] thinkpad_acpi: undocked from hotplug port replicator [ 3129.617065] ACPI: \_SB_.GDCK - undocking [ 3144.184916] ACPI: \_SB_.GDCK - docking [ 3144.185204] ACPI: Unable to dock! and the monitor doesn't come up. I'm currently running a stock Fedora kernel: [penberg@tux ~]$ uname -a Linux tux 3.3.8-1.fc16.x86_64 #1 SMP Mon Jun 4 20:49:02 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux but looking at drivers/platform/x86/thinkpad_acpi.c in Linus' tree, the event is not handled there either: TP_HKEY_EV_UNK_6040 = 0x6040, /* Related to AC change? some sort of APM hint, W520 */ Help! Pekka