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=-7.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B8723C3F68F for ; Fri, 6 Dec 2019 16:24:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9074B2464E for ; Fri, 6 Dec 2019 16:24:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575649441; bh=F9OTDyXwrGShhha34PK6U8wuxLV81Kw3Kz0btZvBz6c=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=jcfNCLnMhL2gMtplES9SiJN/84KE5adC/WaFiQo6NXdCsX7uLlNeqGj7GmYAkB4gd zMkSTKzagFrFuahT2e3I0eJYJhB05+azEgiYM1/G2/Aepm+EbF08QkLYXwFJXt9va3 zaElO0zGuKJrfmLiJteRAczV/dKjfSgDaFKy3g2g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726388AbfLFQYA (ORCPT ); Fri, 6 Dec 2019 11:24:00 -0500 Received: from mail.kernel.org ([198.145.29.99]:40274 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726258AbfLFQYA (ORCPT ); Fri, 6 Dec 2019 11:24:00 -0500 Received: from [192.168.1.112] (c-24-9-64-241.hsd1.co.comcast.net [24.9.64.241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 977C520659; Fri, 6 Dec 2019 16:23:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575649439; bh=F9OTDyXwrGShhha34PK6U8wuxLV81Kw3Kz0btZvBz6c=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=Jou6FGmHqPVqcqnO2VJmeqnwycT8hsakmYNCGMZfr2CqTCqAUEBNTxKw3VMk4k4ff qrcSONAFYYFOJ9VkhwlE9gl+0pEDfPIY/0bJhNkRaAv4VuUeyz2PhAzvXaKmz2Qlyc FKzv7KlmwZiouw7Jb2RjyV9ll/5zuO2ouf3F8wxs= Subject: Re: [PATCH 4.14 000/209] 4.14.158-stable review To: Guenter Roeck , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, patches@kernelci.org, ben.hutchings@codethink.co.uk, lkft-triage@lists.linaro.org, stable@vger.kernel.org, shuah References: <20191204175321.609072813@linuxfoundation.org> <1dac10cd-7183-9dfd-204c-05fae75bcd74@kernel.org> <20191206152823.GA75339@kroah.com> <785c9534-1eb2-ea9b-8c9b-6713fdefdd01@kernel.org> From: shuah Message-ID: Date: Fri, 6 Dec 2019 09:23:58 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/6/19 9:10 AM, Guenter Roeck wrote: > On 12/6/19 7:35 AM, shuah wrote: >> On 12/6/19 8:28 AM, Greg Kroah-Hartman wrote: >>> On Fri, Dec 06, 2019 at 08:24:36AM -0700, shuah wrote: >>>> On 12/4/19 10:53 AM, Greg Kroah-Hartman wrote: >>>>> This is the start of the stable review cycle for the 4.14.158 release. >>>>> There are 209 patches in this series, all will be posted as a response >>>>> to this one.  If anyone has any issues with these being applied, >>>>> please >>>>> let me know. >>>>> >>>>> Responses should be made by Fri, 06 Dec 2019 17:50:10 +0000. >>>>> Anything received after that time might be too late. >>>>> >>>>> The whole patch series can be found in one patch at: >>>>>     https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.158-rc1.gz >>>>> >>>>> or in the git tree and branch at: >>>>>     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git >>>>> linux-4.14.y >>>>> and the diffstat can be found below. >>>>> >>>>> thanks, >>>>> >>>>> greg k-h >>>>> >>>> >>>> Starting with Linux 4.14.157, 4.9.204, and 4.4.204 stables stopped >>>> booting on my system. It can't find the root disk. No config changes >>>> in between. >>>> >>>> I have been bisecting 4.14 and 4.9 with no luck so far. I updated >>>> to Ubuntu 19.10 in between. >>>> >>>> The only other thing I see is CONFIG_GCC_VERSION which is supported >>>> starting 4.18. I don't this boot failing issue on 4.19 + up. I am >>>> also chasing any links between this config and scripts and tools >>>> that generate the initramfs. >>> >>> Did you also upgrade your version of gcc?  I know I build those older >>> kernels with the latest version of gcc for build tests, but I do not >>> boot them.  I think everyone who still uses them uses older versions of >>> gcc. >> >> Yes. gcc version changed. That has been my strong suspect since I >> started poking around the CONFIG_GCC_VERSION. >> > > What version of gcc are you using ? I currently use gcc 8.3.0 for all > qemu boot tests (except for 3.16 which doesn't support it, or at least > it didn't when I last checked), and have not observed any problems. > With the upgrade gcc version went from 8.3.0 to 9.2.1 Interestingly enough all the older 4.14, 4.9, and 4.4 kernel I have on the system boot just fine. It fails when build newer rcs with new gcc, boot fails. I would really like to understand it just in case something in our kbuild scrips is the issue. thanks, -- Shuah