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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_MUTT 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 189B9C31E4C for ; Fri, 14 Jun 2019 10:20:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F00EF2084E for ; Fri, 14 Jun 2019 10:20:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727142AbfFNKUX (ORCPT ); Fri, 14 Jun 2019 06:20:23 -0400 Received: from foss.arm.com ([217.140.110.172]:58808 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726931AbfFNKUX (ORCPT ); Fri, 14 Jun 2019 06:20:23 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 7FADF3EF; Fri, 14 Jun 2019 03:20:20 -0700 (PDT) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 6D72D3F246; Fri, 14 Jun 2019 03:22:03 -0700 (PDT) Date: Fri, 14 Jun 2019 11:20:17 +0100 From: Will Deacon To: Qian Cai Cc: Catalin Marinas , Anshuman Khandual , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , linux-arm-kernel@lists.infradead.org Subject: Re: LTP hugemmap05 test case failure on arm64 with linux-next (next-20190613) Message-ID: <20190614102017.GC10659@fuggles.cambridge.arm.com> References: <1560461641.5154.19.camel@lca.pw> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1560461641.5154.19.camel@lca.pw> User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Qian, On Thu, Jun 13, 2019 at 05:34:01PM -0400, Qian Cai wrote: > LTP hugemmap05 test case [1] could not exit itself properly and then degrade the > system performance on arm64 with linux-next (next-20190613). The bisection so > far indicates, > > BAD: 30bafbc357f1 Merge remote-tracking branch 'arm64/for-next/core' > GOOD: 0c3d124a3043 Merge remote-tracking branch 'arm64-fixes/for-next/fixes' Did you finish the bisection in the end? Also, what config are you using (you usually have something fairly esoteric ;)? Thanks, Will