Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752660AbdCEPMg (ORCPT ); Sun, 5 Mar 2017 10:12:36 -0500 Received: from mail-pf0-f181.google.com ([209.85.192.181]:35101 "EHLO mail-pf0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752525AbdCEPMe (ORCPT ); Sun, 5 Mar 2017 10:12:34 -0500 Subject: Re: [bdi_unregister] 165a5e22fa INFO: task swapper:1 blocked for more than 120 seconds. To: Fengguang Wu , Jan Kara References: <20170305022111.yqtwyd6ognmco4gx@wfg-t540p.sh.intel.com> Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, LKP From: Jens Axboe Message-ID: <912e4814-eeee-a959-c049-2aa22bb80781@kernel.dk> Date: Sun, 5 Mar 2017 08:12:30 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.7.0 MIME-Version: 1.0 In-Reply-To: <20170305022111.yqtwyd6ognmco4gx@wfg-t540p.sh.intel.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 340 Lines: 14 On 03/04/2017 07:21 PM, Fengguang Wu wrote: > Hi Jan, > > FYI next-20170303 is good while mainline is bad with this error. > The attached reproduce-* may help reproduce the issue. What's the test case here? It's Sunday, we need to make a quick decision on whether to revert this patch or not. I'm inclined to do so. Jan? -- Jens Axboe