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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 DDBB9C43381 for ; Thu, 11 Mar 2021 16:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B78D164FF6 for ; Thu, 11 Mar 2021 16:06:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234413AbhCKQCx (ORCPT ); Thu, 11 Mar 2021 11:02:53 -0500 Received: from mga06.intel.com ([134.134.136.31]:62714 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234358AbhCKQC0 (ORCPT ); Thu, 11 Mar 2021 11:02:26 -0500 IronPort-SDR: V64VhHctN+wbuLRY+Wim9JTowjnXkfS13CQggwGD4HT2qch7b92CD5z4pFsi52mVgnlbeeJoH/ mUkj4wR91Kuw== X-IronPort-AV: E=McAfee;i="6000,8403,9920"; a="250051782" X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="250051782" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 08:02:21 -0800 IronPort-SDR: TgXkgDIxrkFNbVebBWByqbErUiiENfNPJN9K+7uPCMtMqH7ay2EozaXX48hLrafcqze5WzjRhp Z6RrXrgIyS5A== X-IronPort-AV: E=Sophos;i="5.81,241,1610438400"; d="scan'208";a="603582690" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Mar 2021 08:02:20 -0800 Date: Thu, 11 Mar 2021 08:02:20 -0800 From: Ira Weiny To: Chaitanya Kulkarni Cc: kernel test robot , David Sterba , Andrew Morton , "hch@infradead.org" , Christoph Hellwig , LKML , "lkp@lists.01.org" , "lkp@intel.com" Subject: Re: [mm/highmem] 61b205f579: WARNING:at_mm/highmem.c:#__kmap_local_sched_out Message-ID: <20210311160220.GS3014244@iweiny-DESK2.sc.intel.com> References: <20210304083825.GB17830@xsang-OptiPlex-9020> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.1 (2018-12-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 09, 2021 at 08:53:04PM +0000, Chaitanya Kulkarni wrote: > Ira, > > On 3/4/21 00:23, kernel test robot wrote: > > Greeting, > > > > FYI, we noticed the following commit (built with gcc-9): > > > > commit: 61b205f579911a11f0b576f73275eca2aed0d108 ("mm/highmem: Convert memcpy_[to|from]_page() to kmap_local_page()") > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > > > > > in testcase: trinity > > version: trinity-static-i386-x86_64-f93256fb_2019-08-28 > > with following parameters: > > > > runtime: 300s > > > > test-description: Trinity is a linux system call fuzz tester. > > test-url: http://codemonkey.org.uk/projects/trinity/ > > > > > > on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 8G > > > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > > Is the fix for this been posted yet ? No. I've been unable to reproduce it yet. Ira > > (asking since I didn't see the fix and my mailer is dropping emails from > lkml).