From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751626AbYKJUFQ (ORCPT ); Mon, 10 Nov 2008 15:05:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751129AbYKJUFD (ORCPT ); Mon, 10 Nov 2008 15:05:03 -0500 Received: from mailgw3a.lmco.com ([192.35.35.7]:46063 "EHLO mailgw3a.lmco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750865AbYKJUFB (ORCPT ); Mon, 10 Nov 2008 15:05:01 -0500 X-Greylist: delayed 1260 seconds by postgrey-1.27 at vger.kernel.org; Mon, 10 Nov 2008 15:05:01 EST Date: Mon, 10 Nov 2008 14:43:55 -0500 From: Gautam Thaker Subject: seeing some "Bad page state in process.." msgs.... To: linux-kernel@vger.kernel.org Message-id: <49188EFB.7070601@atl.lmco.com> Organization: Lockheed Martin -- Advanced Technology Laboratories MIME-version: 1.0 Content-type: text/plain; format=flowed; charset=ISO-8859-1 Content-transfer-encoding: 7BIT User-Agent: Thunderbird 2.0.0.17 (X11/20080914) X-Enigmail-Version: 0.95.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I am running 2.6.26.6-rt11-1.2944.fc6.emulab-highmem #1 SMP PREEMPT RT My test pgm is a java pgm that has about 650 threads in it (i am doing some stress testing). This test runs w/o any kernel messages when run on vanilla 2.6.25 kernel. But w/ the above RT kernel I see some kernel msgs that I do not understand. ANy hints? root@node0> time java -classpath .:../../../utils/hist Test1 500 10001 1 > out.500_senders_RT Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ... node0 kernel: Bad page state in process 'java' Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ... node0 kernel: page:c8a690b8 flags:0x80000000 mapping:c8a690c8 mapcount:0 count:0 Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ... Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ... node0 kernel: Trying to fix it up, but a reboot is needednode0 kernel: Backtrace: root@node0> uname -a Linux node0.onepc2950rtnode.atlqos.emulab.atl.lmco.com 2.6.26.6-rt11-1.2944.fc6.emulab-highmem #1 SMP PREEMPT RT Sat Nov 8 20:10:03MST 2008 i686 i686 i386 GNU/Linux root@node0>