From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752902Ab2DEPO2 (ORCPT ); Thu, 5 Apr 2012 11:14:28 -0400 Received: from hosting.xaranet.de ([80.237.242.67]:55470 "EHLO hosting.xaranet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750959Ab2DEPO1 (ORCPT ); Thu, 5 Apr 2012 11:14:27 -0400 From: Guy Maurel To: linux-kernel@vger.kernel.org Subject: a question of multi use of ptrace Date: Thu, 5 Apr 2012 17:06:55 +0200 User-Agent: KMail/1.13.7 (Linux/2.6.35-ARCH; KDE/4.8.1; x86_64; ; ) MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <201204051706.55314.guy-kde@maurel.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! Why isn't it possible to use gdb and strace at the same time on the same process? ie: gdb --pid 1510 ... strace -p 1510 attach: ptrace(PTRACE_ATTACH, ...): Operation not permitted Are there any people, any group, any work in progress to make this possible? -- guy