From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_HIGH autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4301AC4321D for ; Fri, 24 Aug 2018 07:12:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DC3972157C for ; Fri, 24 Aug 2018 07:12:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="NScSTPOA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DC3972157C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727481AbeHXKpl (ORCPT ); Fri, 24 Aug 2018 06:45:41 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:48520 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726408AbeHXKpl (ORCPT ); Fri, 24 Aug 2018 06:45:41 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w7O78wox179633; Fri, 24 Aug 2018 07:12:14 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=6Uf5BotzAhNt1LeL/TLOXcWwRO95aizcXLJfqSDOo74=; b=NScSTPOAbQ4pyRx/ZEXRAGVkYFoIGIFlhv6nQq+uEqLcYOo3Z5N3dN2LN2cd7xVbWgLQ DBrTSW4uP1Z0mq6e8OWbFyp0cuUiQMMaalsNzQUVrqoFUrc4+0CtpW1ie0WYDTt/vf03 /lv2BxNsWTmSOYvO1o2Mbtff0WH2ya5WwTdZTj++NXCnlxflOXsKKrYO1xVGHdDp42tH 9ADaAdxyUVMtR83QdDsjclCFs6n/z8AbUpzoz4GBMBJTkTlqXlX80FsAEiIJ7+IGIKgY Qb2mNrPXyWsEa+w9wIQRBEEQ4t/fcx2P1I2lzc5JDp/O6ka3CYTzBuZXwlSIstESQyY3 Ew== Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp2130.oracle.com with ESMTP id 2kxavu5hqf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Aug 2018 07:12:14 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w7O7CDpc014752 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 24 Aug 2018 07:12:13 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w7O7CD9G005145; Fri, 24 Aug 2018 07:12:13 GMT Received: from [10.182.69.179] (/10.182.69.179) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 24 Aug 2018 00:12:13 -0700 Subject: Re: MQ-BFQ crashing on battery mode To: Massimo Burcheri Cc: Jens Axboe , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Omar Sandoval References: <1534926011.18658.29.camel@burcheri.de> <1535092156.11909.8.camel@burcheri.de> From: "jianchao.wang" Message-ID: Date: Fri, 24 Aug 2018 15:12:50 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1535092156.11909.8.camel@burcheri.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8994 signatures=668707 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=762 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1808240077 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Massimo On 08/24/2018 02:29 PM, Massimo Burcheri wrote: > On Wed, 2018-08-22 at 11:42 -0600, Jens Axboe wrote: >> Any chance you can try 4.18 at least? > Of course, I tried the kernel.org sources now, sys-kernel/vanilla-sources-4.18.3 > on Gentoo. The issue is the same. In the first mail of this thread, you said: " Switching all devices to "none" scheduler did not help " So this issue should not related with io scheduler. Would you please share the entire dmesg log or backtrace you got on 4.18.3 ? Thanks Jianchao