Le 01/09/2022 à 04:03, Nathan Chancellor a écrit : > Hi Rong, > > On Thu, Sep 01, 2022 at 09:15:58AM +0800, Chen, Rong A wrote: >> >> >> 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@xxxxxxxxx/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@xxxxxxxxx> >>>> >>>> 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 > > Thanks for chiming in! This looks like the output of 'dpkg -l', right? I > noticed on second glance that the tuple for the objdump warning above is > 'powerpc-linux-', which leads me to believe that a kernel.org toolchain > (or a self compiled one) is being used. I would expect the tuple to be > 'powerpc-linux-gnu-' if Debian's package was being used. Is that > possible? > To get the crosstool binutils version, just do: ppc-linux-objdump -v Thanks Christophe