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=-9.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,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 906FAC433E6 for ; Thu, 16 Jul 2020 22:06:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 68568207E8 for ; Thu, 16 Jul 2020 22:06:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594937176; bh=moGL5n6Z8qNj347wJeSs4eMD/PHnMpW529lR3Y4F1uE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=DbkM8w7rCamk7VFchqL6cgU8WgknLOzFlP7w0TMJyRBDtXV+ot2ZBz/wTELKqDuz/ Gy03/kamAvEpIa+AehybdfslOhC2apeJfZ1Zu0NwVd0UCgLOnrm3WMWrPgvlElaJH+ v59wCJXr1IYpWSLyHQBLP4V3qWQHLbINwN9lNUXc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726629AbgGPWGP (ORCPT ); Thu, 16 Jul 2020 18:06:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:53240 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726007AbgGPWGO (ORCPT ); Thu, 16 Jul 2020 18:06:14 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B8762207CB; Thu, 16 Jul 2020 22:06:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594937174; bh=moGL5n6Z8qNj347wJeSs4eMD/PHnMpW529lR3Y4F1uE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=OVmvdGLPhvlmBazeq6J3gJhP5oAoabUXsKw85EHnWtKNEGClJKUdixMpmWls4pxg5 4g+Ti1WoMQslI8u02m1hcqF8GDrV4GmqGRkx3LW8nXG7zIsEh4kpH9gWjsqzWH44oZ WiM3JfBB7V7AJNwQ26pta5IffsKsDCLw3HJFbJ6w= Date: Thu, 16 Jul 2020 15:06:13 -0700 From: Andrew Morton To: kernel test robot Cc: Lecopzer Chen , Mark-PK Tsai , Linux Memory Management List , linux-kernel@vger.kernel.org, LKP Subject: Re: db57e98d87 ("mm/sparse.c: fix ALIGN() without power of 2 in .."): BUG: kernel reboot-without-warning in early-boot stage, last printk: early console in setup code Message-Id: <20200716150613.409103a2d1e4c3f5f63652b8@linux-foundation.org> In-Reply-To: <20200716083159.GH3874@shao2-debian> References: <20200716083159.GH3874@shao2-debian> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 16 Jul 2020 16:32:00 +0800 kernel test robot wrote: > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad commit is > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > commit db57e98d87908b8837352abe08515e42752270c1 > Author: Lecopzer Chen > AuthorDate: Mon Sep 23 15:36:24 2019 -0700 > Commit: Linus Torvalds > CommitDate: Tue Sep 24 15:54:09 2019 -0700 > > mm/sparse.c: fix ALIGN() without power of 2 in sparse_buffer_alloc() Are we sure about this? That patch is a year old - has something in the test setup changed to make it visible at this late stage?