Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752570AbdCFBTf (ORCPT ); Sun, 5 Mar 2017 20:19:35 -0500 Received: from mga14.intel.com ([192.55.52.115]:15888 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751710AbdCFBTd (ORCPT ); Sun, 5 Mar 2017 20:19:33 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,251,1484035200"; d="scan'208";a="940932940" Date: Mon, 6 Mar 2017 09:19:30 +0800 From: Fengguang Wu To: Jens Axboe Cc: Jan Kara , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, LKP Subject: Re: [bdi_unregister] 165a5e22fa INFO: task swapper:1 blocked for more than 120 seconds. Message-ID: <20170306011930.caykve5eanc5pn5m@wfg-t540p.sh.intel.com> References: <20170305022111.yqtwyd6ognmco4gx@wfg-t540p.sh.intel.com> <912e4814-eeee-a959-c049-2aa22bb80781@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <912e4814-eeee-a959-c049-2aa22bb80781@kernel.dk> User-Agent: NeoMutt/20161104 (1.7.1) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 520 Lines: 16 On Sun, Mar 05, 2017 at 08:12:30AM -0700, Jens Axboe wrote: >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. It's boot-and-trinity test. The initrd (that the reproduce-* script will auto download) is hard coded to do that. Thanks, Fengguang