Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755838Ab1FCO0e (ORCPT ); Fri, 3 Jun 2011 10:26:34 -0400 Received: from smtp-vbr4.xs4all.nl ([194.109.24.24]:4967 "EHLO smtp-vbr4.xs4all.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755365Ab1FCO0d (ORCPT ); Fri, 3 Jun 2011 10:26:33 -0400 Message-ID: <4DE8EF13.9030609@xs4all.nl> Date: Fri, 03 Jun 2011 16:26:27 +0200 From: Jim Bos User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110429 Thunderbird/3.1.10 MIME-Version: 1.0 To: Matthew Garrett CC: Linux Kernel Mailing List , Greg KH , "H. Peter Anvin" Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system References: <4CE17098.8090000@xs4all.nl> <4CE17C4B.1070305@xs4all.nl> <20101115185848.GI2583@sunsite.ms.mff.cuni.cz> <20101115191248.GY29412@tyan-ft48-01.lab.bos.redhat.com> <20101115195115.GZ29412@tyan-ft48-01.lab.bos.redhat.com> <4CE1968D.3050706@xs4all.nl> <4DE8DC16.6030308@xs4all.nl> <20110603133351.GA25130@srcf.ucam.org> In-Reply-To: <20110603133351.GA25130@srcf.ucam.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1666 Lines: 39 On 06/03/2011 03:33 PM, Matthew Garrett wrote: > On Fri, Jun 03, 2011 at 03:05:26PM +0200, Jim Bos wrote: >> >> *, >> >> Just applied 2.6.39.1 but my system: 64-bit SLackware, 8GB RAM, MSI mobo >> P67A-C45 bios V1.9. previously happily booting via EFI (nice to see >> Linux and the other OS actually NOT overwriting each others boot >> loaders!) immediately re-booted just after loading the kernel. >> >> Not even a single message is making it on the console, almost immediate >> system reset. As I noticed there are several EFI related patches, I >> first tried to backout the change to setup.c but that didn't help so >> backing out all the efi changes in the 2.6.39.1 patch, i.e. the files: >> - arch/x86/kernel/setup.c >> - arch/x86/platform/efi/efi.c >> - arch/x86/platform/efi/efi_64.c >> and sure enough system is booting on 2.6.39.1 with these changes removed. > > Can you try just reverting > > "x86, efi: Retain boot service code until after switching to virtual mode" > > ? You've got 143 boot services/code regions, which is more than I'd > tested against, so I'm unsure whether we're overflowing something here. > That's seems to be the only EFI patch in 2.6.39.1 and I effectively removed by =not= applying (skipping) the parts of the 2.6.39.1 patch to above 3 files. So yes removing "x86, efi: Retain boot service code until after switching to virtual mode" indeed fixes the problem for me. Jim -- 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/