From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756972Ab2JWJnV (ORCPT ); Tue, 23 Oct 2012 05:43:21 -0400 Received: from cantor2.suse.de ([195.135.220.15]:48397 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753027Ab2JWJnT (ORCPT ); Tue, 23 Oct 2012 05:43:19 -0400 Date: Tue, 23 Oct 2012 11:43:17 +0200 From: Michal Hocko To: Qiang Gao Cc: "linux-kernel@vger.kernel.org" , "linux-mmc@vger.kernel.org" , "cgroups@vger.kernel.org" , linux-mm@kvack.org, bsingharora@gmail.com Subject: Re: process hangs on do_exit when oom happens Message-ID: <20121023094317.GC15397@dhcp22.suse.cz> References: <20121019160425.GA10175@dhcp22.suse.cz> <20121023083556.GB15397@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 23-10-12 17:08:40, Qiang Gao wrote: > this is just an example to show how to reproduce. actually,the first time I saw > this situation was on a machine with 288G RAM with many tasks running and > we limit 30G for each. but finanlly, no one exceeds this limit the the system > oom. Yes but mentioning memory controller then might be misleading... It seems that the only factor in your load is the cpu controller. And please stop top-posting. It makes the discussion messy. -- Michal Hocko SUSE Labs