Messages in this thread | | | Subject | Re: [kbuild-all] Re: powerpc-linux-objdump: Warning: Unrecognized form: 0x23 | From | "Chen, Rong A" <> | Date | Thu, 1 Sep 2022 09:15:58 +0800 |
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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 <lkp@intel.com> >> >> 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 >
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