Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S275055AbTHMOLx (ORCPT ); Wed, 13 Aug 2003 10:11:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S275052AbTHMOLx (ORCPT ); Wed, 13 Aug 2003 10:11:53 -0400 Received: from crosslink-village-512-1.bc.nu ([81.2.110.254]:19192 "EHLO dhcp23.swansea.linux.org.uk") by vger.kernel.org with ESMTP id S275055AbTHMOLw (ORCPT ); Wed, 13 Aug 2003 10:11:52 -0400 Subject: Re: 2.4.22 APM problems with IBM Thinkpad's From: Alan Cox To: Mikael Pettersson Cc: Ruben Puettmann , Linux Kernel Mailing List In-Reply-To: <16186.14686.455795.927909@gargle.gargle.HOWL> References: <20030813123119.GA25111@puettmann.net> <16186.14686.455795.927909@gargle.gargle.HOWL> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1060783884.8008.64.camel@dhcp23.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.3 (1.4.3-3) Date: 13 Aug 2003 15:11:27 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 602 Lines: 16 On Mer, 2003-08-13 at 14:13, Mikael Pettersson wrote: > With APIC support enabled (SMP or UP_APIC), APM must be constrained: > DISPLAY_BLANK off > CPU_IDLE off > built-in driver, not module This isnt sufficient because some of the SMM traps off the FN-key sequences also crash thinkpads if APIC is enabled. Basically *dont use local apic* except on SMP. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/