Received: by 10.192.165.148 with SMTP id m20csp2328769imm; Sat, 28 Apr 2018 19:02:40 -0700 (PDT) X-Google-Smtp-Source: AB8JxZoaibIOO8QTOrGWamPoTgHhcOeUijmHpfxAWJIvhPrnkULXAVZ6pC1tTP++y0LYpoxKu+Nb X-Received: by 2002:a17:902:2a43:: with SMTP id i61-v6mr7888807plb.54.1524967360853; Sat, 28 Apr 2018 19:02:40 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1524967360; cv=none; d=google.com; s=arc-20160816; b=lJxRN2zyD+WKHNhAJy+cPVEYiEqqFs7sDAdauBOob6Zt0gr64m81JaViGj4dMm5g6z 9gI4X5Ftx4khGtbmXGTWXg6gVtOgOuZi/lim8ydOzrRihbAWlDPUmdpi30jD3Udd+IKj N66cCBT+B8myhsaXmMtnWJetYJqXbapKR/ZkWBGD+R5tsReetpEC61FYjjRFz7h1HxZA UFY82UocZG66q3/IQ9JGRGHx2VpNC4XFMMP0mxhpB2E1G3akaSdUW9Z95UZLQbnwdbT3 VL3epqN5iSSzXJLfw/PfF/u5LciTOXObcaDm4BEHjrgS9YUmwQjYAVJx2sGSuT+8OZcE nyYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=VaXLqbg1EipvJneMbXnhjEFJzyeEq1n4dWySoSttqC8=; b=QzDbigMd3Icmwsy0aSwLx+a20cPNng7OBgsxmDi2cQ+fiL2pzj2iHexmtZFaonZn9A 0iRZPCsFm3lEqr2cGTUmM7AAoefqttUap7yv5mzN+1a28KZqiEKNNqqbRW36/L3Ez3j+ Ozlc8LfQRFXAqA8v1hWPORzQ1nEeDiexnNmemSYcr+/TjsEIuTjFxS5aA3TeJzsldM+q 0YWs41dFApcJMHfPf75Gu7PgfJcUPGtL1OfikJLCHXqHQR3rUtrSAzTdH3QPpUhQcepT ccs+BUOF/uYWuy0tngoMJ+k9krB+n/iaDgMohU+D++vhqxW4xVu/EhmFMf4QM+dE8cE3 3MDw== 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f7si3239097pfa.78.2018.04.28.19.02.26; Sat, 28 Apr 2018 19:02:40 -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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751582AbeD2CBW (ORCPT + 99 others); Sat, 28 Apr 2018 22:01:22 -0400 Received: from mga02.intel.com ([134.134.136.20]:14670 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751310AbeD2CBV (ORCPT ); Sat, 28 Apr 2018 22:01:21 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Apr 2018 19:01:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,341,1520924400"; d="scan'208";a="45375150" Received: from yhuan19-mobl.ccr.corp.intel.com (HELO wfg-t540p.sh.intel.com) ([10.254.209.22]) by FMSMGA003.fm.intel.com with ESMTP; 28 Apr 2018 19:01:18 -0700 Received: from wfg by wfg-t540p.sh.intel.com with local (Exim 4.89) (envelope-from ) id 1fCbeP-0002SJ-N8; Sun, 29 Apr 2018 10:01:17 +0800 Date: Sun, 29 Apr 2018 10:01:17 +0800 From: Fengguang Wu To: Jens Axboe Cc: kernel test robot , Bart Van Assche , LKP , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: ed74ae0342 ("blk-mq: Avoid that a completion can be ignored .."): BUG: kernel hang in test stage Message-ID: <20180429020117.jv2dmvsuetkfqn6l@wfg-t540p.sh.intel.com> References: <5adf9ada.EgNO094GdvSdHQ3v%lkp@intel.com> <07256b82-12b1-9ccf-c660-9dfbedfd3cac@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <07256b82-12b1-9ccf-c660-9dfbedfd3cac@kernel.dk> User-Agent: NeoMutt/20170609 (1.8.3) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jens, On Fri, Apr 27, 2018 at 06:52:58PM -0600, Jens Axboe wrote: >On 4/24/18 3:00 PM, kernel test robot wrote: >> Greetings, >> >> 0day kernel testing robot got the below dmesg and the first bad commit is >> >> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-linus >> >> commit ed74ae03424684a6ad8a973c3fa727c6b4162432 >> Author: Bart Van Assche >> AuthorDate: Thu Apr 19 09:43:53 2018 -0700 >> Commit: Jens Axboe >> CommitDate: Thu Apr 19 14:21:47 2018 -0600 >> >> blk-mq: Avoid that a completion can be ignored for BLK_EH_RESET_TIMER >Any chance you can try with the newer version? > >https://github.com/bvanassche/linux/commit/4acd555fa13087 That works! Tested-by: Fengguang Wu