On Thu, Aug 5, 2021 at 1:24 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Nick, > > First bad commit (maybe != root cause): > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y > head: 7457eed4b647560ae1b1800c295efc5f1db22e4b > commit: 7c29fd831799d09474dfdae556207b7102647a45 [1181/1498] lib/string.c: implement stpcpy > config: x86_64-randconfig-r024-20210805 (attached as .config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 31a71a393f65d9e07b5b0756fef9dd16690950ee) > 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 > # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=7c29fd831799d09474dfdae556207b7102647a45 > git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git > git fetch --no-tags linux-stable-rc linux-4.19.y > git checkout 7c29fd831799d09474dfdae556207b7102647a45 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > >> ERROR: "__compiletime_assert_491" [drivers/gpu/drm/i915/i915.ko] undefined! ^ I'm actively trying to improve these diagnostics in LLVM at the moment. Hopefully that will make this report clearer! https://reviews.llvm.org/D106030 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx -- Thanks, ~Nick Desaulniers
