Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 22 Nov 2002 21:36:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 22 Nov 2002 21:36:26 -0500 Received: from mail.ocs.com.au ([203.34.97.2]:29710 "HELO mail.ocs.com.au") by vger.kernel.org with SMTP id ; Fri, 22 Nov 2002 21:36:25 -0500 X-Mailer: exmh version 2.4 06/23/2000 with nmh-1.0.4 From: Keith Owens To: linux-kernel@vger.kernel.org Subject: Re: New module loader makes kernel debugging much harder In-reply-to: Your message of "Sat, 23 Nov 2002 02:35:13 -0000." <20021123023513.GC83190@compsoc.man.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 23 Nov 2002 13:43:20 +1100 Message-ID: <13864.1038019400@ocs3.intra.ocs.com.au> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1090 Lines: 26 On Sat, 23 Nov 2002 02:35:13 +0000, John Levon wrote: >On Sat, Nov 23, 2002 at 01:20:10PM +1100, Keith Owens wrote: > >> The complete lack of kernel and module symbols (no /proc/ksyms) means >> that ksymoops is now useless on 2.5 kernels. If you get an oops in a >> kernel built without kksymoops, there is no way to decode the oops. > >Additionally, module profiling is not possible any more. > >> Big step backwards, Rusty. > >Somebody (this includes Rusty himself) needs to come up with a workable >solution. For my own needs, the start address of the mapped module is >good enough [snip] Only if you assume that the .text is at a known offset from the start of the module. There are multiple programs that need to know where each section really is, instead of making assumptions about how a module is laid out. - 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/