From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965206AbdKGPDS (ORCPT ); Tue, 7 Nov 2017 10:03:18 -0500 Received: from mail-qt0-f172.google.com ([209.85.216.172]:48809 "EHLO mail-qt0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934238AbdKGPDQ (ORCPT ); Tue, 7 Nov 2017 10:03:16 -0500 X-Google-Smtp-Source: ABhQp+Q8CR4xjv1W48XdYQjxDTiyzhkJk6OYqssqBZwnH98AogLU+/PO/LfFH93zHQqJluGywh++zg== Date: Tue, 7 Nov 2017 07:03:13 -0800 From: Tejun Heo To: Fengguang Wu Cc: Linus Torvalds , Zefan Li , Roman Gushchin , Waiman Long , "David S. Miller" , linux-kernel@vger.kernel.org Subject: Re: [cgroup_rmdir] BUG: unable to handle kernel paging request at ffff880210af6000 Message-ID: <20171107150313.GK3252168@devbig577.frc2.facebook.com> References: <20171107102602.4qe76jsmtfc4vok6@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171107102602.4qe76jsmtfc4vok6@wfg-t540p.sh.intel.com> 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 Hello, Fengguang. On Tue, Nov 07, 2017 at 06:26:02PM +0800, Fengguang Wu wrote: > FYI this happens in v4.14-rc8 -- it's not necessarily a new bug. I tried to reproduce with the attached config and my usual qemu setup but couldn't. Is there a way for me to replicate your setup? Thanks. -- tejun