From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: (Bug report) the kernel crash when I run cyclictest on AM3715/DM3730 Date: Wed, 1 Jun 2011 03:35:52 -0700 Message-ID: <20110601103552.GY11352@atomide.com> References: <4DE450FE.1050402@windriver.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-03-ewr.mailhop.org ([204.13.248.66]:13738 "EHLO mho-01-ewr.mailhop.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933384Ab1FAKfz (ORCPT ); Wed, 1 Jun 2011 06:35:55 -0400 Content-Disposition: inline In-Reply-To: <4DE450FE.1050402@windriver.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "stanley.miao" Cc: "linux-omap@vger.kernel.org" * stanley.miao [110530 19:19]: > The test command : > > # cyclictest -l100000000 -m -a0 -t1 -n -p99 -i200 -h200 -q > I run the following command to increase cpu's burden at the same time. > # while true; do hackbench; sleep 1;done > > cyclictest and hackbench can be get in > git://git.kernel.org/pub/scm/linux/kernel/git/clrkwllms/rt-tests.git > > The linux kernel version : > > the kernel I used is windriver linux kernel. but this bug can also > be reproduced on the branch OMAPPSP_03.00.01.06 in > git://arago-project.org/git/projects/linux-omap3.git. > The kernel in linux-omap-2.6 git tree hung and didn't give any > useful Oops messages when I ran this cyclictest. Started these tests on zoom3 on current devel-fixes branch at commit 1704bf15deb6de20f8f4272c8d8232b36bbc7484. So far no issues here, so maybe try git bisect between the mainline version you have and v3.0-rc1? Regards, Tony