From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764712AbXGTUoO (ORCPT ); Fri, 20 Jul 2007 16:44:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760068AbXGTUn6 (ORCPT ); Fri, 20 Jul 2007 16:43:58 -0400 Received: from mx1.redhat.com ([66.187.233.31]:60976 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756477AbXGTUn6 (ORCPT ); Fri, 20 Jul 2007 16:43:58 -0400 Message-ID: <46A11E7D.90209@redhat.com> Date: Fri, 20 Jul 2007 16:43:41 -0400 From: Chuck Ebbert Organization: Red Hat User-Agent: Thunderbird 1.5.0.12 (X11/20070530) MIME-Version: 1.0 To: Folkert van Heusden CC: linux-kernel@vger.kernel.org Subject: Re: [2.6.21.1] totally hanging altough not crashed References: <20070720195252.GA25317@vanheusden.com> In-Reply-To: <20070720195252.GA25317@vanheusden.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 07/20/2007 03:53 PM, Folkert van Heusden wrote: > Hi, > > One of my systems running 2.6.21.1 on a P4 with HT and 2GB of ram > occasionally crashes. Not with an oops or panic, it just suddenly stops > doing anything. It still lets you ping and it still forwards ip traffic > but you can't login: not via ssh and not on the console - pressing enter > brings the cursor to the next line and that's it. It is NOT swapping at > all, in fact alt+sysrq+m says that there's still plenty of memory and > swap available: Lots of processes are in uninterruptible wait at start_this_handle+0x208/0x365. Can you find out what line of code that matches? (There are a few of those waits in that function.)