From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932240AbWDGO2P (ORCPT ); Fri, 7 Apr 2006 10:28:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932255AbWDGO2P (ORCPT ); Fri, 7 Apr 2006 10:28:15 -0400 Received: from zrtps0kp.nortel.com ([47.140.192.56]:9096 "EHLO zrtps0kp.nortel.com") by vger.kernel.org with ESMTP id S932240AbWDGO2P (ORCPT ); Fri, 7 Apr 2006 10:28:15 -0400 Message-ID: <443676ED.10907@nortel.com> Date: Fri, 07 Apr 2006 08:27:57 -0600 From: "Christopher Friesen" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040115 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeff Dike CC: linux-kernel@vger.kernel.org Subject: Re: problem building UML kernel with 2.6.16.1 -- dies when linking vmlinux References: <443580A4.1020806@nortel.com> <20060406215131.GA6422@ccure.user-mode-linux.org> <4435A0DA.1030606@nortel.com> <20060406234145.GA6893@ccure.user-mode-linux.org> In-Reply-To: <20060406234145.GA6893@ccure.user-mode-linux.org> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 07 Apr 2006 14:27:58.0989 (UTC) FILETIME=[781053D0:01C65A4F] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jeff Dike wrote: > On Thu, Apr 06, 2006 at 05:14:34PM -0600, Christopher Friesen wrote: > >>Checking that ptrace can change system call numbers...OK >>Checking syscall emulation patch for ptrace...missing >>Checking PROT_EXEC mmap in /tmp...OK >>UML running in TT mode >>tracing thread pid = 8963 > > > Well, tt mode is deprecated in favor of skas0 these days, so you'll do > better with CONFIG_MODE_SKAS enabled and CONFIG_MODE_TT disabled. I just used CONFIG_MODE_TT based on the config comments for CONFIG_PT_PROXY: "If you want to do kernel debugging, say Y here; otherwise say N.". This then required MODE_TT. Can I run UML under gdb in skas mode? Chris