Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757207AbaGWCuk (ORCPT ); Tue, 22 Jul 2014 22:50:40 -0400 Received: from e23smtp01.au.ibm.com ([202.81.31.143]:39780 "EHLO e23smtp01.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756624AbaGWCui (ORCPT ); Tue, 22 Jul 2014 22:50:38 -0400 Message-ID: <53CF22F5.6000206@linux.vnet.ibm.com> Date: Wed, 23 Jul 2014 10:50:29 +0800 From: Mike Qiu User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8 MIME-Version: 1.0 To: cgroups@vger.kernel.org CC: "linux-kernel@vger.kernel.org" , Tejun Heo , lizefan@huawei.com Subject: WARNING: at kernel/cpuset.c:1139 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 14072302-1618-0000-0000-000000A00D81 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 [ 35.652142] Modules linked in: ebtable_nat xt_CHECKSUM bridge stp llc be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i cxgb4 cxgb3i cxgb3 mdio libcxgbi ib_iser iptable_mangle nf_conntrack_ipv4 rdma_cm nf_defrag_ipv4 xt_conntrack iw_cm nf_conntrack ib_cm ib_sa ib_mad ebtable_filter ib_core ebtables ip6_tables ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi e1000e ses ptp enclosure pps_core be2net shpchp vhost_net tun macvtap macvlan vhost kvm binfmt_misc uinput lpfc scsi_transport_fc ipr [ 35.652185] CPU: 36 PID: 1363 Comm: libvirtd Not tainted 3.16.0-rc5-next-20140721+ #93 [ 35.652187] task: c0000003b3443a00 ti: c0000003bb008000 task.ti: c0000003bb008000 [ 35.652189] NIP: c00000000015ff38 LR: c00000000015ff2c CTR: 0000000000000000 [ 35.652190] REGS: c0000003bb00b850 TRAP: 0700 Not tainted (3.16.0-rc5-next-20140721+) [ 35.652191] MSR: 9000000000029032 CR: 24004824 XER: 00000000 [ 35.652196] CFAR: c00000000045f6cc SOFTE: 1 GPR00: c00000000015ff04 c0000003bb00bad0 c00000000145acf8 0000000000000001 GPR04: c0000003b3dae5d0 0000000000000100 0000000000000000 0000000000000000 GPR08: c0000003b3dae548 0000000000000004 0000000000000000 0000000000000004 GPR12: 0000000000000001 c00000000feea200 0000008066727bd8 0000008066727a30 GPR16: 00000080667dfa08 0000008066727a68 00000080667279f8 00000080667279d0 GPR20: c00000000166acf8 c0000003b3dae530 c000000001311990 c0000003b3dae5d0 GPR24: c0000003b3dae530 c0000003b3dadc00 c0000003b3dae400 0000000000000001 GPR28: 0000000000000000 c000000001311968 c0000003b1873100 c0000003b3dae400 [ 35.652219] NIP [c00000000015ff38] .cpuset_write_resmask+0x438/0x8c0 [ 35.652221] LR [c00000000015ff2c] .cpuset_write_resmask+0x42c/0x8c0 [ 35.652222] Call Trace: [ 35.652224] [c0000003bb00bad0] [c00000000015ff04] .cpuset_write_resmask+0x404/0x8c0 (unreliable) [ 35.652227] [c0000003bb00bba0] [c000000000156f08] .cgroup_file_write+0x78/0x190 [ 35.652230] [c0000003bb00bc50] [c00000000030c490] .kernfs_fop_write+0x150/0x1e0 [ 35.652233] [c0000003bb00bcf0] [c00000000026b6d0] .vfs_write+0xe0/0x270 [ 35.652235] [c0000003bb00bd90] [c00000000026be24] .SyS_write+0x64/0x110 [ 35.652238] [c0000003bb00be30] [c00000000000a158] syscall_exit+0x0/0x98 [ 35.652239] Instruction dump: [ 35.652240] e93a0000 39549528 e9290118 7fa95000 419e0024 7ea3ab78 7ee4bb78 38a00100 [ 35.652243] 482ff719 60000000 2fa30000 419e0008 <0fe00000> 7f43d378 4bfffa71 813a006c [ 35.652247] ---[ end trace f91b0c3aadfe71a6 ]--- Thanks, Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/