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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 868B6C5CFE7 for ; Wed, 11 Jul 2018 16:29:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3EAA620846 for ; Wed, 11 Jul 2018 16:29:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="ktCtYwYN" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3EAA620846 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.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 S2389464AbeGKQek (ORCPT ); Wed, 11 Jul 2018 12:34:40 -0400 Received: from mail-oi0-f66.google.com ([209.85.218.66]:45116 "EHLO mail-oi0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726609AbeGKQek (ORCPT ); Wed, 11 Jul 2018 12:34:40 -0400 Received: by mail-oi0-f66.google.com with SMTP id q11-v6so24789036oic.12 for ; Wed, 11 Jul 2018 09:29:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=/jx4oPUgOAT3RrrjXvzd/MgHNhRugHxfjaasNguFihY=; b=ktCtYwYNZDjds3dSb4y6UeT4SfBZXqxbP0V3VyFkGo6Hut/8pm58+0gUPnEFlVBH80 OKxBhmfYDgFU3zcMMKfluXKb1wlNhb0HGxj354nhTyeYgCxExANd3Gaxjw2ySqq+rcJc sbGHE2mvECpqGUNNpJhf4FlDVjKUxaCTHBkik9t1PaOipMksoUr2LF3Cv6J+jzXXjcBt U797uIFmz1zZ+OAq7dyTkpZj896g2uzv/ocZUAS/D8wIrOu9UN4+coT/hzhTQ2k9x37C nFhznhPNDsawU3AQPTLuEpH/dWq3w14TVQ0otMt0vjAQhBDZ/AG2EU3nglstHaYr44cH 0R2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=/jx4oPUgOAT3RrrjXvzd/MgHNhRugHxfjaasNguFihY=; b=H4VAxVjYu3NbTKnDmV0kby3td7nPCzQkIGpyySR851hg2nGpz4He/YyJbRJF+QjKpD vSI5XoeSfmN13pkGDnstq8w8Cr3S3kSvumMPA0/bZOjmOqWsdUw3BGJS6gP8Q1ZLwT8E qibtS2UOrUbZxaEWZ7ELlLmlzJ+OuGAdAMIl4lwTfkNTDISVk51tcqy2eKmeDobYWSXS /O7XMHmSZNwMJDpquPJcxf+tte+Qmlcgv4EB8uzjwhwN+ZzmXS1rz/dPlZVSSgTibU+S vrZ+uUEuanXU7Gn+3EQTbrjjLkuPTohMmpsF/pKzniKuSGLPTf293I7+ezY9x5AXv5Zh L3AQ== X-Gm-Message-State: APt69E0ij7NnTiMPcN5KQsdPkNgcF32SJOJAAWCMysop3mmMU40wXdqv i3MKz6SQ0KOQl7Or7gEHQlHo7EHSoJQGVZ1HHXc= X-Google-Smtp-Source: AAOMgpfMvry7pByYzDpVLxjQg5vZmve5VJXz0C/zCMiqjY9rlZ5uethg8mK6aPLrLdRbkXu9HeAdmIVyF3yrWMPb0ro= X-Received: by 2002:aca:ecd0:: with SMTP id k199-v6mr35295024oih.227.1531326574055; Wed, 11 Jul 2018 09:29:34 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a4a:c984:0:0:0:0:0 with HTTP; Wed, 11 Jul 2018 09:29:33 -0700 (PDT) In-Reply-To: <2022d212-62f2-a163-2493-abecfbafa07b@intel.com> References: <50d6bb50-5fa4-33d1-1f88-3844d0237f16@intel.com> <7db385ef-0940-8f28-87b0-828921dd2f1d@intel.com> <9548e10a-7403-425e-bf1f-b1eb9d055d99@intel.com> <2022d212-62f2-a163-2493-abecfbafa07b@intel.com> From: "H.J. Lu" Date: Wed, 11 Jul 2018 09:29:33 -0700 Message-ID: Subject: Re: Kernel 4.17.4 lockup To: Dave Hansen Cc: "H. Peter Anvin" , LKML , Andy Lutomirski , Mel Gorman , Andrew Morton , Rik van Riel , Minchan Kim Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 11, 2018 at 9:24 AM, Dave Hansen wrote: > On 07/11/2018 08:40 AM, H.J. Lu wrote: >> This is a quad-core machine with HT and 6 GB RAM. The workload is >> x32 GCC build and test with "make -j8". The bug is triggered during GCC >> test after a couple hours. I have a script to set up my workload: >> >> https://github.com/hjl-tools/gcc-regression >> >> with a cron job >> >> # It takes about 3 hour to bootstrap x86-64 GCC and 3 hour to run tests, >> TIMEOUT=480 >> # Run it every hour, >> 30 * * * * /export/gnu/import/git/gcc-test-x32/gcc-build -mx32 >> --with-pic > /dev/null 2>&1 > > Oh, fun, one of those. > > How long does it take to reproduce? About 5 hours. -- H.J.