From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhaval Giani Subject: Re: Re: Hang with fair cgroup scheduler (reproducer is attached.) Date: Fri, 14 Dec 2007 21:06:07 +0530 Message-ID: <20071214153607.GB23670@linux.vnet.ibm.com> References: <20071214141528.GA6161@linux.vnet.ibm.com> <20071214161834.034e6efe.kamezawa.hiroyu@jp.fujitsu.com> <20071214171759.59f7ba57.kamezawa.hiroyu@jp.fujitsu.com> <20071214094909.GG11266@elte.hu> <20071214195837.0d3511db.kamezawa.hiroyu@jp.fujitsu.com> <20442799.1197642268756.kamezawa.hiroyu@jp.fujitsu.com> Reply-To: Dhaval Giani Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20442799.1197642268756.kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org Cc: Peter Zijlstra , vatsa-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org, Dmitry Adamushko , containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org, Ingo Molnar , Andrew Morton List-Id: containers.vger.kernel.org On Fri, Dec 14, 2007 at 11:24:28PM +0900, kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org wrote: > >> just to be sure SMP does matter here (most likely yes, I guess). > >> > > > >NUMA? I am not able to reproduce it here locally on an x86 8 CPU box. > > > yes. I used NUMA. 2 Nodes/4CPU x 2 > OK, I got hold of an IA64 box, non numa and have managed to reproduce it. > Hmm.. > > Thanks, > -Kame -- regards, Dhaval