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=-1.0 required=3.0 tests=FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 00C80C28CF6 for ; Wed, 1 Aug 2018 09:20:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA8F120844 for ; Wed, 1 Aug 2018 09:20:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AA8F120844 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.de 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 S2388959AbeHALFd (ORCPT ); Wed, 1 Aug 2018 07:05:33 -0400 Received: from mout.gmx.net ([212.227.17.22]:39115 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387502AbeHALFc (ORCPT ); Wed, 1 Aug 2018 07:05:32 -0400 Received: from homer.simpson.net ([185.191.219.92]) by mail.gmx.com (mrgmx101 [212.227.17.168]) with ESMTPSA (Nemesis) id 0MDV5t-1fjMX53s69-00GsrI; Wed, 01 Aug 2018 11:20:31 +0200 Message-ID: <1533115229.4735.43.camel@gmx.de> Subject: Re: bisected - arm64 kvm unit test failures From: Mike Galbraith To: Marc Zyngier Cc: Sebastian Andrzej Siewior , Thomas Gleixner , LKML , linux-rt-users , Steven Rostedt Date: Wed, 01 Aug 2018 11:20:29 +0200 In-Reply-To: <864lgey2ja.wl-marc.zyngier@arm.com> References: <20180727215710.zq6gkoqzlb4ca7qv@linutronix.de> <1532768831.9882.71.camel@gmx.de> <1532847330.1618.8.camel@gmx.de> <1532864867.1618.32.camel@gmx.de> <1532967899.30205.62.camel@gmx.de> <1533061729.12487.26.camel@gmx.de> <867elay7he.wl-marc.zyngier@arm.com> <1533103345.4735.19.camel@gmx.de> <864lgey2ja.wl-marc.zyngier@arm.com> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:gKRm10YT+Ah7qUDmt1Cf5aE/Yg07IfVFInwn2o3kHerkugHayEf dud/SmXYt64q1JtFfYxBqJF5vPnSj8pWO+MHxevPIBvqh27uzCx+VI0PkIVaOV+PoHaf1hf +BlzvnAS+6SCLmrqx7GQMpS7BPLa2UMb7JPA7lbhjgFQbnGyqKZynlZY2QYAsAjKxxcdLxg kuFA7w8gfx/jQSXTEM66Q== X-UI-Out-Filterresults: notjunk:1;V01:K0:6ISR+RoUPdQ=:5aJl/SlNIuWR79Pn4iHK3M aig5Rjpr7n7DpfSbExS97EcweOyhTFSRqfH7UQsZtA5igp3v/JPUgaK4I+DUBrJz7STamMXk2 n8y2YsVhzZBH/AFSU+kE+WPD/vKpyXUwRubDevwSCoUWcxozxzvXyU9lfW/qMEknTyMYx1nXC ItmCbJXxweWuw/CKHZheE3Kpmzvzd+T+RzSMfuiJBOeECICwSXd7+t/nEvgp6W/dyj1+TNnH5 M3xb4FHB8NFhxoBHxZU7dM40qFE+Bin1gHmKzXJH1GehWpWHHcpKtmhj5297UbPt0SuGda9bw 3r5yoqltTaXozSc2FLfj/0Hm8PwgSzszzAY2OOi7Qxz2Pr0pBW6xoE/HnvP5XsEVvklFCk37u fqd+ksg43B1ER3CoCKSyV8vM/5pXR7+jYruooxfy5fJb2vvCwVXNDarun/LAY628rOtlra9jy UMPux9ztF87B/MhbtVny9/2/8D97pnF0e0oJ7mm+0MY7VSZoUKMVnl/0hWN7p2s6yRPXD2WTA I7fACDjLdjKL7Xggag04m/xl/EBmu34FhRBytYX6gOw1aEu0m16Q59V6rtVV19O1pienSf3n3 7EKcgyJum+SQHPWPKdDZVLjwSE9poRNrEoqgkzfM0xwj8ETKpwQFqfFMgaxdogX3U6nToKxty IEYEu3R52lieS8UPPmUKfGq1uFRL9Sqjz39okZ+RdpadpatEjTJH6iNUNHOyPw8dbqzaRB2op 8DpMXwWXeely/AXF8ErQ6WFRvYpH+v4wfAgPgBnAv0b+Y7QZ/aE8eIFHFjROHZy2TsnjIZ4P3 i/IFmZj Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2018-08-01 at 08:22 +0100, Marc Zyngier wrote: > On Wed, 01 Aug 2018 07:02:25 +0100, > Mike Galbraith wrote: > > > > [1 ] > > On Wed, 2018-08-01 at 06:35 +0100, Marc Zyngier wrote: > > > > > > Is it something that is reproducible with the current mainline (non-RT)? > > > > These waters are a bit muddy, it's config dependent. I'm trying to > > generate a reproducing !RT config for -rc7 as we speak. If I build > > openSUSE/master-default, it does NOT reproduce. That with the bisect > > config just finished building, and.... yup, it reproduced > > (attached). > > Thanks for that. Cheers. The dependency is THP, which is disabled in RT. --- config.save 2018-05-18 17:59:44.729165480 +0200 +++ .config 2018-08-01 11:00:24.484148316 +0200 @@ -632,7 +632,10 @@ CONFIG_DEFAULT_MMAP_MIN_ADDR=65536 CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y CONFIG_MEMORY_FAILURE=y # CONFIG_HWPOISON_INJECT is not set -# CONFIG_TRANSPARENT_HUGEPAGE is not set +CONFIG_TRANSPARENT_HUGEPAGE=y +CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y +# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set +CONFIG_TRANSPARENT_HUGE_PAGECACHE=y CONFIG_CLEANCACHE=y CONFIG_FRONTSWAP=y CONFIG_CMA=y @@ -4306,6 +4309,7 @@ CONFIG_RAS=y # CONFIG_ANDROID is not set # CONFIG_LIBNVDIMM is not set CONFIG_DAX=y +# CONFIG_DEV_DAX is not set CONFIG_NVMEM=y # CONFIG_MTK_EFUSE is not set # CONFIG_QCOM_QFPROM is not set @@ -5175,6 +5179,7 @@ CONFIG_DECOMPRESS_XZ=y CONFIG_DECOMPRESS_LZO=y CONFIG_DECOMPRESS_LZ4=y CONFIG_GENERIC_ALLOCATOR=y +CONFIG_RADIX_TREE_MULTIORDER=y CONFIG_ASSOCIATIVE_ARRAY=y CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT_MAP=y