Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp6747831yba; Tue, 14 May 2019 12:57:25 -0700 (PDT) X-Google-Smtp-Source: APXvYqwPVGB7NZq5PU12D2Qnp5DhKD14X/VG4XlGQAE1BxJfHF1kgAecPN3WSlfW4tzCf9qw1/IK X-Received: by 2002:a63:1b56:: with SMTP id b22mr39063994pgm.87.1557863845195; Tue, 14 May 2019 12:57:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1557863845; cv=none; d=google.com; s=arc-20160816; b=mVZvX7tNCzMOP4WJgkU+W390Q+Ab0i5gRwpDWZd9xV/lM71Whqblua/G36E2n/CBDE RLjcZ4SiVdFGWff4ZrZ4pjxils3QME6sclyLdZ0ViLV1Ia2+n5i2hFk6X+CpkJTUw9i1 /y5uU2t+aftAAzAtI7jceiHUELUoAQkdMhLaEWAPNpm0I/wE3vv+sN4Z1b25MxHqv8dh IHpSmhbmBZDNrdEM+IRVOn+holGFlLO8OYThwjAR7Yp0/VXmrY7J/7MMGapvMwNClDU2 tO4cj7LpGPeryhrLhd4jcF5CvkiZ61glW2YfhnIqeLTK7CGRP4lnzE3uAENukx0+hAzw hd8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version; bh=+EChwP3DKYPjI5XpqLSr6oJaGwq6Bw/jcFqJ7qh2lsQ=; b=t7ZyPAj+RqNzpjYgIhjspxmnP+q4+3K6LeBcT+ZkV6VED7VZPAuV6HBUeatWcq30iU B8LL6BYNaEuOSMdfaiaRnMTw2Cbpfhw4GrjqeXi4mH0iD47bu93Hg/CrLP0RPXTYZKR+ wsGKS6BNl+RmyjRcNevvm58eHpLotw5wdQ3yBsJkLSUx1jYIjMWRbCHoQwQUVLxZzR7J Rqcggs6t/ppRp7DNwO4JcUqOdBwXkEjeYThZw9FcEZQJowPVr91xMu+ysOLkhV4EO1Md rSy/qW5/PvKjg16DoXrgWmo4T++RibiU38hrwlg5t97A/6scE7EqsGJC7R/is9GNzE8m Hz9w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id v61si2160134plb.20.2019.05.14.12.57.10; Tue, 14 May 2019 12:57:25 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726296AbfENTzZ (ORCPT + 99 others); Tue, 14 May 2019 15:55:25 -0400 Received: from mail-lf1-f53.google.com ([209.85.167.53]:37555 "EHLO mail-lf1-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726248AbfENTzZ (ORCPT ); Tue, 14 May 2019 15:55:25 -0400 Received: by mail-lf1-f53.google.com with SMTP id q17so152452lfo.4 for ; Tue, 14 May 2019 12:55:23 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+EChwP3DKYPjI5XpqLSr6oJaGwq6Bw/jcFqJ7qh2lsQ=; b=S0MGmRlrOzLqX1ezUvs+yrQA1dR3iV0DW3OUwnYoevvbvlaL1RSzHhqdlqazIN8j4w WU6ioF0gemD/f66Kv0Foh+kobdINoHAOdqUFWZg6F5hOMTNYxkMOir+8wvbQv2IfMRtN 4vCdZRuvveDfBE6C+7Nbh3rLvHtpYmTZcoCqPxKl4YrdeKqDnTaEcPd+fh3qGti+mhKf n7wsfJ5wTBwShY8g9zX1QB3WXAkj1bBQfLqDPWHY23JjhjEG5Wj81/1JMaMRy7kXRwIg if64JVoCN/LlM98n5Ir12rSQEWXHK/ovs+UK5XnBp1EXcxrzIiNQTfKv4dqogAIPy9QE 2CAg== X-Gm-Message-State: APjAAAX3fHem5itp2pvK71Cf2QOW3nfoo/plIKahTD1k85mhfm/+KyEB HxDVwkg6O8pvKgIUoSfEX4+jxcsV7UPrA0YyCEvHRA== X-Received: by 2002:ac2:5621:: with SMTP id b1mr18829823lff.27.1557863722997; Tue, 14 May 2019 12:55:22 -0700 (PDT) MIME-Version: 1.0 References: <20190514194249.GD12629@tower.DHCP.thefacebook.com> In-Reply-To: <20190514194249.GD12629@tower.DHCP.thefacebook.com> From: Matteo Croce Date: Tue, 14 May 2019 21:54:46 +0200 Message-ID: Subject: Re: WARNING: CPU: 1 PID: 228 at kernel/cgroup/cgroup.c:5929 To: Roman Gushchin Cc: "cgroups@vger.kernel.org" , LKML , Tejun Heo , Li Zefan , Johannes Weiner Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Roman, yes, this one fixes it. -- Matteo Croce per aspera ad upstream