Le 01/09/2022 à 06:59, Chen, Rong A a écrit : > > > On 9/1/2022 10:03 AM, Nathan Chancellor wrote: >> 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 > > Hi Nathan, > > oh, yes, I misunderstood, it's not related to this package. > >> 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? > > you are right, we used a self-compiled toolchain, we'll try the binutils > from debian package. Can you first tell us the version you are using ? powerpc-linux-objdump -v That will tell you the version. Thanks Christophe