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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8D8BECAAD4 for ; Thu, 1 Sep 2022 01:16:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232329AbiIABQK (ORCPT ); Wed, 31 Aug 2022 21:16:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232215AbiIABQH (ORCPT ); Wed, 31 Aug 2022 21:16:07 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3D9FA5C6C for ; Wed, 31 Aug 2022 18:16:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1661994962; x=1693530962; h=subject:to:cc:references:from:message-id:date: mime-version:in-reply-to:content-transfer-encoding; bh=nLNeIamA4X8Q4pDLdvjBAtHHFqdpaLeSXEbhWluqMuk=; b=VmsULdJ5kNGRxTyFJOUxbYDcdaJZAp8fP3pF1SS9SxZ4Q5JloYwDyrnT 9Aeaj8zA955kev6hqr/kPL7PIIey11k8BmQVKqNBkBHFBTWSLBQquxRMc COP7AMWrVDT4iE6Ro/LTzWx/vpyU8mC6BKiKIrhxoWHnmYaFQNHrqINxz L/k/MJ2jNauS/VHnfOSTPPckArVVcXiM3PbelikphEtH1ZdddTWCK6BRW RSuJf5NJS7ThD1rpplxV3e2MLWf+2pE6NS0iutiIcfOA5BAu/1EpnPR3/ d3XsCteJ0VPWDVDCsADlWE0vD6ygrdiFnzjuXjOx0CbTKyuBk45L/geZu w==; X-IronPort-AV: E=McAfee;i="6500,9779,10456"; a="295594007" X-IronPort-AV: E=Sophos;i="5.93,279,1654585200"; d="scan'208";a="295594007" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2022 18:16:02 -0700 X-IronPort-AV: E=Sophos;i="5.93,279,1654585200"; d="scan'208";a="673613016" Received: from yuxiongj-mobl1.ccr.corp.intel.com (HELO [10.254.213.173]) ([10.254.213.173]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2022 18:16:00 -0700 Subject: Re: [kbuild-all] Re: powerpc-linux-objdump: Warning: Unrecognized form: 0x23 To: Nathan Chancellor , kernel test robot Cc: Kees Cook , llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Nick Desaulniers , Masahiro Yamada , Andrew Morton , Linux Memory Management List References: <202208311414.4OPuYS9K-lkp@intel.com> From: "Chen, Rong A" Message-ID: Date: Thu, 1 Sep 2022 09:15:58 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Firefox/78.0 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/31/2022 11:40 PM, Nathan Chancellor wrote: > On Wed, Aug 31, 2022 at 02:52:36PM +0800, kernel test robot wrote: >> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >> head: dcf8e5633e2e69ad60b730ab5905608b756a032f >> commit: f9b3cd24578401e7a392974b3353277286e49cee Kconfig.debug: make DEBUG_INFO selectable from a choice >> date: 5 months ago >> config: powerpc-buildonly-randconfig-r003-20220830 (https://download.01.org/0day-ci/archive/20220831/202208311414.4OPuYS9K-lkp@intel.com/config) >> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project c7df82e4693c19e3fd2e25c83eb04d9deb7b7b59) >> reproduce (this is a W=1 build): >> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross >> chmod +x ~/bin/make.cross >> # install powerpc cross compiling tool for clang build >> # apt-get install binutils-powerpc-linux-gnu >> # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9b3cd24578401e7a392974b3353277286e49cee >> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >> git fetch --no-tags linus master >> git checkout f9b3cd24578401e7a392974b3353277286e49cee >> # save the config file >> mkdir build_dir && cp config build_dir/.config >> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash >> >> If you fix the issue, kindly add following tag where applicable >> Reported-by: kernel test robot >> >> All warnings (new ones prefixed by >>): >> >>>> powerpc-linux-objdump: Warning: Unrecognized form: 0x23 > > Given this is clang 16.0.0 with > CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y, which uses DWARF5 by > default instead of DWARF4, it looks like older binutils not > understanding DWARF5. What version of binutils is being used by the bot? Hi Nathan, We're using binutils v2.38.90.20220713-2 ||/ Name Version Architecture Description +++-==============-==================-============-========================================== ii binutils 2.38.90.20220713-2 amd64 GNU assembler, linker and binary utilities Best Regards, Rong Chen > CONFIG_DEBUG_INFO_DWARF5 requires 2.35.2, it seems like it might be > worth trying to extend those dependencies to > CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT to avoid issues like this, > especially in lieu of Nick's series here, which is already codifying the > implicit default DWARF version of the compiler. > > https://lore.kernel.org/20220826181035.859042-1-ndesaulniers@google.com/ > > Cheers, > Nathan > _______________________________________________ > kbuild-all mailing list -- kbuild-all@lists.01.org > To unsubscribe send an email to kbuild-all-leave@lists.01.org >