From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261245AbTGCMds (ORCPT ); Thu, 3 Jul 2003 08:33:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261769AbTGCMds (ORCPT ); Thu, 3 Jul 2003 08:33:48 -0400 Received: from pasta.sw.starentnetworks.com ([12.33.234.10]:6375 "EHLO pasta.sw.starentnetworks.com") by vger.kernel.org with ESMTP id S261245AbTGCMdr (ORCPT ); Thu, 3 Jul 2003 08:33:47 -0400 Date: Thu, 3 Jul 2003 08:48:13 -0400 From: Brian Ristuccia To: linux-kernel@vger.kernel.org Subject: 2.4.21-rmap15j: sometimes processes stuck in state D, WCHAN 'down' Message-ID: <20030703124813.GN24907@sw.starentnetworks.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org We've been seeing processes which occasionally get stuck in state D, WCHAN 'down'. If I go look in /proc/pid/fd, or proc/pid/cwd/, usually I can find one of the open files or directory which will I can hang a new process by attempting to access. The affected files/directories have been on a local ext3 filesystem. The stuck processes are unkillable, even with signal 9. If I attempt to attach to one of the hung processes with strace, there is no output from strace, and the strace process becomes hung and unkillable as well. Is anyone else seeing this problem with stock 2.4.21 or 2.4.21-rmap15j? -- Brian Ristuccia bristucc@sw.starentnetworks.com