From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Garrett Subject: Re: [patch 02/13] ACPI, i686, x86_64: fix laptop bootup hang in init_acpi() Date: Fri, 9 Feb 2007 18:01:29 +0000 Message-ID: <20070209180128.GA8586@srcf.ucam.org> References: <200702060010.l160AB6R003718@shell0.pdx.osdl.net> <200702090114.32041.lenb@kernel.org> <20070209142622.GD26414@khazad-dum.debian.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from cavan.codon.org.uk ([217.147.92.49]:59561 "EHLO vavatch.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992538AbXBISBx (ORCPT ); Fri, 9 Feb 2007 13:01:53 -0500 Content-Disposition: inline In-Reply-To: <20070209142622.GD26414@khazad-dum.debian.net> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Henrique de Moraes Holschuh Cc: Len Brown , akpm@linux-foundation.org, linux-acpi@vger.kernel.org, mingo@elte.hu, ak@suse.de On Fri, Feb 09, 2007 at 12:26:22PM -0200, Henrique de Moraes Holschuh wrote: > According to a patch sent to LKML a while ago that blacklisted all ThinkPads > from nmi_watchdog, the ThinkPad SMBIOS does INT 0x10 or something else that > will cause double or triple-faults if an NMI happens while in SMBIOS mode. This is hardly unique to Thinkpads - huge arrays of things can trigger SMM on pretty much any laptop. It's rarer on desktops, but some servers have similar issues. -- Matthew Garrett | mjg59@srcf.ucam.org