From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9152 invoked by alias); 18 Oct 2007 18:22:35 -0000 Received: (qmail 9144 invoked by uid 22791); 18 Oct 2007 18:22:34 -0000 X-Spam-Status: No, hits=-2.4 required=5.0 tests=AWL,BAYES_00,DK_POLICY_SIGNSOME,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (66.187.233.31) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 18 Oct 2007 18:22:32 +0000 Received: from int-mx1.corp.redhat.com (int-mx1.corp.redhat.com [172.16.52.254]) by mx1.redhat.com (8.13.8/8.13.1) with ESMTP id l9IIMUP5007614; Thu, 18 Oct 2007 14:22:30 -0400 Received: from pobox.yyz.redhat.com (pobox.yyz.redhat.com [10.15.31.4]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l9IIMTvJ006004; Thu, 18 Oct 2007 14:22:30 -0400 Received: from touchme.toronto.redhat.com (IDENT:postfix@touchme.yyz.redhat.com [10.15.16.9]) by pobox.yyz.redhat.com (8.12.11.20060308/8.12.11) with ESMTP id l9IIM5Oo018020; Thu, 18 Oct 2007 14:22:29 -0400 Received: from ton.toronto.redhat.com (ton.yyz.redhat.com [10.15.16.15]) by touchme.toronto.redhat.com (Postfix) with ESMTP id 00A028001FF; Thu, 18 Oct 2007 14:21:48 -0400 (EDT) Received: from ton.toronto.redhat.com (localhost.localdomain [127.0.0.1]) by ton.toronto.redhat.com (8.13.1/8.13.1) with ESMTP id l9IILVAb027709; Thu, 18 Oct 2007 14:21:31 -0400 Received: (from fche@localhost) by ton.toronto.redhat.com (8.13.1/8.13.1/Submit) id l9IILVmA027708; Thu, 18 Oct 2007 14:21:31 -0400 X-Authentication-Warning: ton.toronto.redhat.com: fche set sender to fche@redhat.com using -f To: Yuxin_Zhuang@emc.com Cc: Subject: Re: Question about kernel module debug References: <3807473EFFA73343902C7F097E26900001E981A6@CORPUSMX60C.corp.emc.com> <3807473EFFA73343902C7F097E26900001F48A6C@CORPUSMX60C.corp.emc.com> From: fche@redhat.com (Frank Ch. Eigler) Date: Thu, 18 Oct 2007 18:22:00 -0000 In-Reply-To: <3807473EFFA73343902C7F097E26900001F48A6C@CORPUSMX60C.corp.emc.com> (Yuxin Zhuang's message of "Thu, 18 Oct 2007 02:17:08 -0400") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2007-q4/txt/msg00206.txt.bz2 Yuxin_Zhuang@emc.com writes: > What do you mean by " There should be no need for the .ko.debug file > if the basic .ko file was not stripped. "?? Does it means that > systemtap will get the debug information from the .ko file and will > not look for the .ko.debug file on the three search paths?? That's right. > But when the .ko.debug symlink is removed, the result of strace > shows that without finding the '.ko.debug' file on the three search > paths systemtap just fails. Saying 'r_offset is bogus'. That's not right (elfutils error DWFL_E_BADRELOFF). It's as if something has corrupted the data. Please describe the toolchain version, architecture, and anything else that may be unusual about the build process. - FChE