Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp4028613imm; Wed, 5 Sep 2018 09:33:31 -0700 (PDT) X-Google-Smtp-Source: ANB0VdZlORkeDXGuizVBzJ2fQ4NovueBnl/sOQNUGUF0yB2pDbI0lfN57z+0gRl+dT1bahTiKy/A X-Received: by 2002:a17:902:1c5:: with SMTP id b63-v6mr40401940plb.82.1536165211049; Wed, 05 Sep 2018 09:33:31 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1536165211; cv=none; d=google.com; s=arc-20160816; b=V045bIRz8ul2fUVS1cuTBHZW3nTzraEElTU6SmFP7W6c9x9hBw68yrTbDG6LYEEU+T xMi8y3LxGR+VOAhbqU8C6jCvCJOt6+j0bFSmKRHDrUSILKfclE1FPxV2HhBYjKx44RO4 ZL8MkKNnuzq/ksviKt9ncgmTyOjDjoqpysQ5sOZWLzZLd1ElFXLS2ZbRA9/4NsbW0gbc sp8ZqyecEwD89ouUrqU4m3jKZV+lyRZteOxvu1Xm8tBa7hmqZYsA0E2NkijgYMaF8S/G BqtcBWbkYkD/VsFaBFy3iDQK5BkZrePWQNcdIk5c4E6cQ1v39JUjEMMBO+fsLG8VZjdT Ii4g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:content-transfer-encoding :mime-version:references:in-reply-to:date:cc:to:from:subject; bh=zhTNhb1MX9KMG1kNee/flcGLNjEJ11un2ij2Z/MT62c=; b=SPzbYrPgXc4NGasawnIIfHZ2xJYYDroGTRQBmr5ZKsyccKOkVdN4l3MO+JkdIqrgXW DFWnLG1LOsXyw8xEi5X/l1spXlA3SLshkVoNn78fpBjiO0O3CffMqhd5zz3y/5uFTtE6 R2CZtiSP2+QV79AMN+I/a2tks/871nyt3vo/pWnK+EHO/sSVpPMbK8dbdHn5iINcUMSu 04FYxRH4oKt0KscLWESuUiJpFLpLsRJPTTTyOQOu3Wh7Ur9DKiRjd2shxSbAEMcsdy5E V6USa94HOZODdad/wJ7drJtkFn2Ag4Sy/+VxvfRjcc88IAkntctRqWIkQf3drFzvbvp0 PydQ== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p185-v6si2290240pgp.504.2018.09.05.09.33.14; Wed, 05 Sep 2018 09:33:31 -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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727708AbeIEVBU (ORCPT + 99 others); Wed, 5 Sep 2018 17:01:20 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:41060 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727623AbeIEVBN (ORCPT ); Wed, 5 Sep 2018 17:01:13 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w85GP0lM002633 for ; Wed, 5 Sep 2018 12:30:16 -0400 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx0a-001b2d01.pphosted.com with ESMTP id 2majbp147g-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 05 Sep 2018 12:30:16 -0400 Received: from localhost by e32.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 5 Sep 2018 10:30:16 -0600 Received: from b03cxnp07029.gho.boulder.ibm.com (9.17.130.16) by e32.co.us.ibm.com (192.168.1.132) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 5 Sep 2018 10:30:14 -0600 Received: from b03ledav004.gho.boulder.ibm.com (b03ledav004.gho.boulder.ibm.com [9.17.130.235]) by b03cxnp07029.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w85GUCO820971582 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 5 Sep 2018 09:30:13 -0700 Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B068F7805E; Wed, 5 Sep 2018 10:30:12 -0600 (MDT) Received: from b03ledav004.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B47C67805C; Wed, 5 Sep 2018 10:30:10 -0600 (MDT) Received: from [192.168.42.231] (unknown [9.80.226.106]) by b03ledav004.gho.boulder.ibm.com (Postfix) with ESMTP; Wed, 5 Sep 2018 10:30:10 -0600 (MDT) Subject: Re: [regression/bisected] 4.19 cycle boot time IO stalls From: James Bottomley To: "Martin K. Petersen" , Jens Axboe Cc: Mike Galbraith , LKML , Linus Torvalds Date: Wed, 05 Sep 2018 17:30:07 +0100 In-Reply-To: References: <1536137722.4813.66.camel@gmx.de> <178d6adc-2a79-99dc-daa8-fb0ed9f0afd1@kernel.dk> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 18090516-0004-0000-0000-0000148485B3 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009676; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01083963; UDB=6.00559437; IPR=6.00863964; MB=3.00023129; MTD=3.00000008; XFM=3.00000015; UTC=2018-09-05 16:30:15 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18090516-0005-0000-0000-000088B5728B Message-Id: <1536165007.3627.13.camel@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-09-05_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1809050167 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2018-09-05 at 12:25 -0400, Martin K. Petersen wrote: > Jens, > > > I bet it's the host busy change from Ming, which I already > > reported as being the culprit for another test failure I had. For > > some reason it's not merged yet, nudge nudge Martin. > > I reverted the two offending changes last week. James just hasn't > sent Linus a pull request yet... Yes, I did, just before packing up my board and kit and saying goodbye to the carefree days of summer on the beach: https://marc.info/?l=linux-scsi&m=153613531415018&w=2 I'm actually at heathrow now and should be home tomorrow, so things should be back to normal next week. James