From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1PGS2a-0005Jv-I5 for ltp-list@lists.sourceforge.net; Thu, 11 Nov 2010 07:57:52 +0000 Received: from e6.ny.us.ibm.com ([32.97.182.146]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1PGS2Z-00083l-Mc for ltp-list@lists.sourceforge.net; Thu, 11 Nov 2010 07:57:52 +0000 From: Subrata Modak In-Reply-To: <20101027094502.208c1207.kamezawa.hiroyu@jp.fujitsu.com> References: <1288089237.5010.9.camel@subratamodak.linux.ibm.com> <20101027094502.208c1207.kamezawa.hiroyu@jp.fujitsu.com> Date: Thu, 11 Nov 2010 13:27:25 +0530 Message-Id: <1289462245.5622.46.camel@subratamodak.linux.ibm.com> Mime-Version: 1.0 Subject: Re: [LTP] [linux-2.6.36-git7: Power7] LTP Memory CGROUP Controller functional test creates Backtrace, OOMKill & rcu_sched_state detected stall jiffies Reply-To: subrata@linux.vnet.ibm.com List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: KAMEZAWA Hiroyuki Cc: Linuxppc-dev , linux-kernel , ltp-list On Wed, 2010-10-27 at 09:45 +0900, KAMEZAWA Hiroyuki wrote: > On Tue, 26 Oct 2010 16:03:56 +0530 > Subrata Modak wrote: > > > If you run LTP Memory CGROUP Controller functional test on > > linux-2.6.36-git7, the following Backtrace, OOMKill & rcu_sched_state > > detected stall jiffies are created. The machine is not reachable > > thereafter. Ways to reproduce this problem: > > > > 1) Build and boot kernel 2.6.36-git7 on Power7 machine with attached > > config file, > > 2) Fetch, build and install LTP: > > git clone git://ltp.git.sourceforge.net/gitroot/ltp/ltp > > cd ltp > > ./configure > > make > > make install > > 3) Create a LTP runtest file /opt/ltp/runtest/memcg_function_test with > > the following entry: > > memcg_function memcg_function_test.sh > > <> > > cd /opt/ltp > > ./runltp -f memcg_function_test > > > > IIUC, memcg test includes intentional OOM-Kill test by setting the limit to 0. > And it has another test to set the limit to PAGE_SIZE. > > In your environemnt, I think page size is 64kb...right ? > > About rcu_sched_state()....I have no idea at this stage. I reviewed memcontrol.c > and oom_kill.c again and coundn't found anything in quick review. > > Could you try again after -rc1 shipped ? Oh Sure, I saw this mail now. I will try it out on the latest git tree available :-) Regards-- Subrata > I think Andrew Morton sent some amount of updates for oom_kill and memcg, vmscan > to Linus, today. > > Thanks, > -Kame > ------------------------------------------------------------------------------ Centralized Desktop Delivery: Dell and VMware Reference Architecture Simplifying enterprise desktop deployment and management using Dell EqualLogic storage and VMware View: A highly scalable, end-to-end client virtualization framework. Read more! http://p.sf.net/sfu/dell-eql-dev2dev _______________________________________________ Ltp-list mailing list Ltp-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ltp-list