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=unavailable 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 E5ED2C433E8 for ; Thu, 16 Jul 2020 22:06:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 99819207CB for ; Thu, 16 Jul 2020 22:06:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="OVmvdGLP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 99819207CB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 422ED6B005C; Thu, 16 Jul 2020 18:06:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3D3426B0062; Thu, 16 Jul 2020 18:06:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2EB9D6B0068; Thu, 16 Jul 2020 18:06:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0097.hostedemail.com [216.40.44.97]) by kanga.kvack.org (Postfix) with ESMTP id 193CF6B005C for ; Thu, 16 Jul 2020 18:06:16 -0400 (EDT) Received: from smtpin23.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 7333E2DFC for ; Thu, 16 Jul 2020 22:06:15 +0000 (UTC) X-FDA: 77045323110.23.meat48_2e0454426f05 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin23.hostedemail.com (Postfix) with ESMTP id 46BAD3760C for ; Thu, 16 Jul 2020 22:06:15 +0000 (UTC) X-HE-Tag: meat48_2e0454426f05 X-Filterd-Recvd-Size: 2453 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf34.hostedemail.com (Postfix) with ESMTP for ; Thu, 16 Jul 2020 22:06:14 +0000 (UTC) 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 X-Rspamd-Queue-Id: 46BAD3760C X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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?