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=-5.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 ED69DC433E1 for ; Fri, 21 Aug 2020 01:01:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD52D207DE for ; Fri, 21 Aug 2020 01:01:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="d9oof434" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726806AbgHUBBi (ORCPT ); Thu, 20 Aug 2020 21:01:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726309AbgHUBBh (ORCPT ); Thu, 20 Aug 2020 21:01:37 -0400 Received: from mail-qt1-x843.google.com (mail-qt1-x843.google.com [IPv6:2607:f8b0:4864:20::843]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DB82C061385 for ; Thu, 20 Aug 2020 18:01:37 -0700 (PDT) Received: by mail-qt1-x843.google.com with SMTP id w9so216041qts.6 for ; Thu, 20 Aug 2020 18:01:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=OxdQmW2oX9NgI5mQQ7VEZQKRJIIZoe0SIp1V2OIQN94=; b=d9oof434BR4dRx1VQjJfCxUgsEJ1qEfPbSQxwzU/G4IyTUT8CxMoV5e9BNjUHDCDZj bxNfaDBcC3LAWPmyLuj1dDR4fpvTsHmkIIYW48cC7saYyAjyjLkkk+L+nTs5tFtcHWM4 Y+AjNeUtJUA9GdZyCMYWEmc71khedRSOrGhorLE1GGncgMydqmeclzKykoXteG1cL2ot Pz7l92hDeWnzPRrGwCDbuccMbJHyiMkdOZYBunp8ax6FuZAVU0UIAD3uklzpPlH3FtwH +ykRnpHN0KBNDKqEyYOwnZl9bgzQD3BW/WhMzaucnfsecPjUL33fjpxqGgcHTqysjVM4 plAg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=OxdQmW2oX9NgI5mQQ7VEZQKRJIIZoe0SIp1V2OIQN94=; b=hL1IBW1u+yd/9w5y5PtUFIo6G363UG6U922Xgs3mAtMNuwJ/WfmQzwNlaz5/WjLGFG WGLIibnbDFSNU0471eK/ru9lDnGuwPkIPmSGXsKydCN3893cJ4YPJ5qnfIsxQk3OjWEg hQUCLpVNW1yy7U8zbvfkwDHYux3YpzXBwxENh9eOVtoHJDN/oo9PQPBvQ3qRd37OxTSq kRPJYxla5INTgDiecG8qE8dWXDpaDCyRWiEkjW8Qv/bU68g1u/UVuWfNgx65d31TM/U+ RP5gJJK5o6gMrf0ZSCpxZmtow4LlP1JyAsgY8W2ZySvmxNqN75b9WhFeuRpRICijJLdc 1hHw== X-Gm-Message-State: AOAM532tYW8jXQCiJ5ljA6hKIuYFEj41yF+lXgBTHzMVlVOGX/Hgmei+ HR697bFwC1/heS5Rkw1oIZZyQQ== X-Google-Smtp-Source: ABdhPJxWnqVox2CDbULIHZsYUdHlAUpcgCqK94Sn8VKlIOWKUYxc3cR1yDf68hoH4mK7EJQWgs9hnQ== X-Received: by 2002:ac8:22ea:: with SMTP id g39mr558713qta.146.1597971696292; Thu, 20 Aug 2020 18:01:36 -0700 (PDT) Received: from lca.pw (pool-71-184-117-43.bstnma.fios.verizon.net. [71.184.117.43]) by smtp.gmail.com with ESMTPSA id d15sm199619qka.91.2020.08.20.18.01.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 Aug 2020 18:01:35 -0700 (PDT) Date: Thu, 20 Aug 2020 21:01:33 -0400 From: Qian Cai To: kernel test robot Cc: Catalin Marinas , Linus Torvalds , Matthew Wilcox , Michal Hocko , Andrew Morton , LKML , lkp@lists.01.org Subject: Re: [mm] c566586818: BUG:kernel_hang_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok Message-ID: <20200821010132.GC4622@lca.pw> References: <20200818002351.GC18179@shao2-debian> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200818002351.GC18179@shao2-debian> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 18, 2020 at 08:23:51AM +0800, kernel test robot wrote: > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: c5665868183fec689dbab9fb8505188b2c4f0757 ("mm: kmemleak: use the memory pool for early allocations") I might see one of those early boot failure before. In my case, the bare-metal system was reset. Can you try to narrow down to a smaller CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE (assume 0 works if your bisecting was correct) that works?