From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933631AbXDGRxk (ORCPT ); Sat, 7 Apr 2007 13:53:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933630AbXDGRxk (ORCPT ); Sat, 7 Apr 2007 13:53:40 -0400 Received: from smtp.osdl.org ([65.172.181.24]:58203 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933631AbXDGRxj (ORCPT ); Sat, 7 Apr 2007 13:53:39 -0400 Date: Sat, 7 Apr 2007 10:53:28 -0700 From: Andrew Morton To: Michal Piotrowski Cc: LKML , Roland McGrath Subject: Re: mm snapshot broken-out-2007-04-07-03-27.tar.gz uploaded Message-Id: <20070407105328.836902d1.akpm@linux-foundation.org> In-Reply-To: <46178ECC.2030107@googlemail.com> References: <200704071029.l37ATdKR032505@shell0.pdx.osdl.net> <46178ECC.2030107@googlemail.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 07 Apr 2007 14:30:04 +0200 Michal Piotrowski wrote: > akpm@linux-foundation.org napisał(a): > > The mm snapshot broken-out-2007-04-07-03-27.tar.gz has been uploaded to > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-04-07-03-27.tar.gz > > > > It contains the following patches against 2.6.21-rc6: > > > > LTP triggered a ptrace problem. > > ------------[ cut here ]------------ > kernel BUG at kernel/ptrace.c:1281! umm, Roland, if you're going to add assertions which only function with CONFIG_PREEMPT enabled, you'd better test with CONFIG_PREEMPT enabled ;) From: Andrew Morton We hold read_lock(tasklist_lock) in here. Cc: Roland McGrath Signed-off-by: Andrew Morton --- kernel/ptrace.c | 2 -- 1 file changed, 2 deletions(-) diff -puN kernel/ptrace.c~utrace-fix-bug kernel/ptrace.c --- a/kernel/ptrace.c~utrace-fix-bug +++ a/kernel/ptrace.c @@ -1278,8 +1278,6 @@ found: current->pid, tsk->pid, p->pid, exit_code, p->exit_state, p->exit_signal); - NO_LOCKS; - /* * If there was a group exit in progress, all threads report that * status. Most will have SIGKILL in their own exit_code. _