Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753301Ab1FHUbF (ORCPT ); Wed, 8 Jun 2011 16:31:05 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:41954 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751230Ab1FHUbB (ORCPT ); Wed, 8 Jun 2011 16:31:01 -0400 Date: Wed, 8 Jun 2011 21:30:37 +0100 From: Matthew Garrett To: Yinghai Lu Cc: Jim Bos , "H. Peter Anvin" , Ingo Molnar , Thomas Gleixner , Maarten Lankhorst , Linux Kernel Mailing List , Greg KH , Linus Torvalds , Andrew Morton Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system Message-ID: <20110608203037.GA31052@srcf.ucam.org> References: <20110608192321.GA28865@srcf.ucam.org> <4DEFCD07.5020505@kernel.org> <20110608192950.GA29235@srcf.ucam.org> <4DEFCF1A.9030400@kernel.org> <20110608193833.GA29855@srcf.ucam.org> <4DEFD220.5040507@kernel.org> <20110608195250.GB30256@srcf.ucam.org> <4DEFD58D.5060402@kernel.org> <20110608200903.GA30694@srcf.ucam.org> <4DEFDA4A.9080500@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4DEFDA4A.9080500@kernel.org> User-Agent: Mutt/1.5.20 (2009-06-14) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1656 Lines: 38 On Wed, Jun 08, 2011 at 01:23:38PM -0700, Yinghai Lu wrote: > On 06/08/2011 01:09 PM, Matthew Garrett wrote: > > On Wed, Jun 08, 2011 at 01:03:25PM -0700, Yinghai Lu wrote: > >> On 06/08/2011 12:52 PM, Matthew Garrett wrote: > >>> On Wed, Jun 08, 2011 at 12:48:48PM -0700, Yinghai Lu wrote: > >>>> On 06/08/2011 12:38 PM, Matthew Garrett wrote: > >>>>> On Wed, Jun 08, 2011 at 12:35:54PM -0700, Yinghai Lu wrote: > >>>>>> On 06/08/2011 12:29 PM, Matthew Garrett wrote: > >>>>>>>> what former? you can not fix some corner case by breaking most other cases. > >>>>>>> > >>>>>>> All Dell laptops, all new Apples, some Lenovos, various Intel server > >>>>>>> platforms. That I've found so far. > >>>>>> > >>>>>> do you mean before that patch, all those machine will not boot linux kernel with UEFI support? > >>>>> > >>>>> Correct. > >>>> > >>>> with or without EFI runtime services? > >>> > >>> They'll boot with noefi, but that's useless because there's then no way > >>> to configure a bootloader. > >> > >> efibootmgr will need boot services in addition to run-time services? > > > > No, SetVirtualAddressMap() calls into boot services. This is code, not > > data. We have no control over what it does. > > Maybe you can parse efimeminfo in arch/x86/boot/compressed/head_64.S to find right decompress position for kernel. Hm. I'll take a look into that. Thanks! -- Matthew Garrett | mjg59@srcf.ucam.org -- 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/