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=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, T_DKIMWL_WL_HIGH,UNPARSEABLE_RELAY 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 49169C43334 for ; Wed, 5 Sep 2018 16:25:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DB9282075C for ; Wed, 5 Sep 2018 16:25:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="Ns+LMzsg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DB9282075C 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 S1727477AbeIEU4c (ORCPT ); Wed, 5 Sep 2018 16:56:32 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:45526 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726189AbeIEU4c (ORCPT ); Wed, 5 Sep 2018 16:56:32 -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 w85GJ8gH140114; Wed, 5 Sep 2018 16:25:31 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2018-07-02; bh=Gcd59JacRde9WYO0JRPm/lUGS1ObD0yGlwQ6RoOLmC8=; b=Ns+LMzsgJlCaY9HA8bFeGF5Fa7OR+NmioEJ/5LCTAE10QMrYwCwuZx6juKVlO/6t2mJa lUuV23qINQNYXK0PaHh4FPFN1g1yO+N1Ur6W6jbS7bJhCyE4EEjf/LF3vveU/Fgc+tSs /7zHKGclKXcY1/rk2Lr8OPaYxfaoQu8SZ+HiYKFCQka5GpHsnS/C/ja1xD1PVfdWsQ7Y j3PyoLOU3ZkBGsS4hyq071VYyXcfMBH5Yq1cuGy7QDfOgKGOfaJy15D0ITEAFlEL8m8Z ZPmjKRj/0qte1z2usKtEavkSaxpLa6agdoo2062BjG1zuzyzMPbJJOpNqs5uwCnuxznf LA== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2m7j6tn5yf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 05 Sep 2018 16:25:30 +0000 Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w85GPP08008559 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 5 Sep 2018 16:25:25 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w85GPOPC002488; Wed, 5 Sep 2018 16:25:24 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 05 Sep 2018 09:25:24 -0700 To: Jens Axboe Cc: Mike Galbraith , LKML , Linus Torvalds , "James E.J. Bottomley" , "Martin K. Petersen" Subject: Re: [regression/bisected] 4.19 cycle boot time IO stalls From: "Martin K. Petersen" Organization: Oracle Corporation References: <1536137722.4813.66.camel@gmx.de> <178d6adc-2a79-99dc-daa8-fb0ed9f0afd1@kernel.dk> Date: Wed, 05 Sep 2018 12:25:22 -0400 In-Reply-To: <178d6adc-2a79-99dc-daa8-fb0ed9f0afd1@kernel.dk> (Jens Axboe's message of "Wed, 5 Sep 2018 07:39:08 -0600") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9007 signatures=668708 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=863 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 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... -- Martin K. Petersen Oracle Linux Engineering