Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753220AbZDMTI4 (ORCPT ); Mon, 13 Apr 2009 15:08:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751715AbZDMTIr (ORCPT ); Mon, 13 Apr 2009 15:08:47 -0400 Received: from mga10.intel.com ([192.55.52.92]:17722 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751627AbZDMTIq (ORCPT ); Mon, 13 Apr 2009 15:08:46 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.40,180,1239001200"; d="scan'208";a="447530965" Message-ID: <49E38DBD.8040303@linux.intel.com> Date: Mon, 13 Apr 2009 12:08:45 -0700 From: "H. Peter Anvin" Organization: Intel Open Source Technology Center User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: alan-jenkins@tuffmail.co.uk CC: "H. Peter Anvin" , Ingo Molnar , Avi Kivity , Linus Torvalds , Pavel Machek , mingo@redhat.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, rjw@sisk.pl, linux-tip-commits@vger.kernel.org Subject: Re: [tip:x86/setup] x86, setup: "glove box" BIOS calls -- infrastructure References: <20090410103934.GA21506@elte.hu> <20090410113824.GA18823@elf.ucw.cz> <49E0C1AB.2050608@redhat.com> <49E17A6E.5000104@zytor.com> <20090412163356.GA2392@elte.hu> <49E2398A.3050405@redhat.com> <20090413041625.GF11652@elte.hu> <20090413042459.GA6479@elte.hu> <49E367E8.7080202@zytor.com> <9b2b86520904131134y26f508ffr2bc0303eff203a25@mail.gmail.com> In-Reply-To: <9b2b86520904131134y26f508ffr2bc0303eff203a25@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 637 Lines: 16 Alan Jenkins wrote: > IIRC, the first person to report the issue found that it triggered > when hotplugging a HDMI cable. Oh, that's right. Either we were invoking the video BIOS from the kernel (which we do actually do sometimes) -- in which case we have control over when it happens -- or there is commingling of the video BIOS and mainboard BIOS combined with SMM crap. Joy. -hpa -- 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/