Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758366Ab1FJXzs (ORCPT ); Fri, 10 Jun 2011 19:55:48 -0400 Received: from rcsinet10.oracle.com ([148.87.113.121]:61826 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758302Ab1FJXzr (ORCPT ); Fri, 10 Jun 2011 19:55:47 -0400 Message-ID: <4DF2AEEF.6040208@kernel.org> Date: Fri, 10 Jun 2011 16:55:27 -0700 From: Yinghai Lu User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110414 SUSE/3.1.10 Thunderbird/3.1.10 MIME-Version: 1.0 To: "H. Peter Anvin" CC: Matthew Garrett , Maarten Lankhorst , Jim Bos , Linux Kernel Mailing List , Greg KH Subject: Re: 2.6.39.1 immediately reboots/resets on EFI system References: <4DED0394.2090000@gmail.com> <20110607014127.GA8450@srcf.ucam.org> <4DED8752.5070005@kernel.org> <4DEDEA73.7010900@gmail.com> <20110610164706.GB25774@srcf.ucam.org> <4DF259B2.9070403@gmail.com> <20110610175429.GA28500@srcf.ucam.org> <4DF29E7E.50908@gmail.com> <4DF2A17E.7000103@kernel.org> <20110610230359.GA2084@srcf.ucam.org> <4DF2A81C.7000902@kernel.org> <4DF2A984.6060705@linux.intel.com> In-Reply-To: <4DF2A984.6060705@linux.intel.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090202.4DF2AEF9.0040,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 919 Lines: 24 On 06/10/2011 04:32 PM, H. Peter Anvin wrote: > On 06/10/2011 04:26 PM, Yinghai Lu wrote: >>> >>>> 2. ask vendor of system that Matthew try to fix to go back fix their firmware. otherwise user have stay with CSM with it. >>> >>> This isn't an option. >>> >>> The medium-term fix is to ensure that the bootloaders don't put the >>> kernel on top of boot services code. >> >> that is not enough, will need to make arch/x86/boot/compressed/head_64.S parse e820 table to find right decompress position. >> > > No, it should be, because the boot loader can control the decompress > position to avoid the problems. bootloader could find out decompressed kernel size? Yinghai -- 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/