From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Qiu Subject: Re: WARNING: at kernel/cpuset.c:1139 Date: Thu, 24 Jul 2014 10:46:20 +0800 Message-ID: <53D0737C.2030305@linux.vnet.ibm.com> References: <53CF22F5.6000206@linux.vnet.ibm.com> <20140723151220.GD7103@htj.dyndns.org> <53D052FC.3070409@huawei.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <53D052FC.3070409-hv44wF8Li93QT0dZR+AlfA@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Li Zefan Cc: Tejun Heo , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" On 07/24/2014 08:27 AM, Li Zefan wrote: > On 2014/7/23 23:12, Tejun Heo wrote: >> On Wed, Jul 23, 2014 at 10:50:29AM +0800, Mike Qiu wrote: >>> commit 734d45130cb ("cpuset: update cs->effective_{cpus, mems} when config >>> changes") introduce the below warning in my server. >>> >>> [ 35.652137] ------------[ cut here ]------------ >>> [ 35.652141] WARNING: at kernel/cpuset.c:1139 >> Hah, can you reproduce it? If so, can you detail how? >> > It's a typo. > > WARN_ON(!cgroup_on_dfl(cp->css.cgroup) && > nodes_equal(cp->mems_allowed, cp->effective_mems)); > > should be > > WARN_ON(!cgroup_on_dfl(cp->css.cgroup) && > !nodes_equal(cp->mems_allowed, cp->effective_mems)); Yes, it is. This warning disappeared after this patch. Reported-and-Tested-by: Mike Qiu >