Hi Hans, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 97ee9d1c16963375eefdf964c429897d27e28956 commit: e33fdb5a02490059e2f48ced2c038c8a46c6476d media: saa7146: deprecate hexium_gemini/orion, mxb and ttpci date: 3 months ago config: powerpc-allyesconfig compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 6e4cea55f0d1104408b26ac574566a0e4de48036) 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=e33fdb5a02490059e2f48ced2c038c8a46c6476d git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e33fdb5a02490059e2f48ced2c038c8a46c6476d # 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 drivers/net/ethernet/mellanox/mlx5/core/steering/ drivers/staging/media/deprecated/saa7146/common/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/staging/media/deprecated/saa7146/common/saa7146_hlp.c:648:5: warning: stack frame size (1072) exceeds limit (1024) in 'saa7146_enable_overlay' [-Wframe-larger-than] int saa7146_enable_overlay(struct saa7146_fh *fh) ^ 258/1072 (24.07%) spills, 814/1072 (75.93%) variables 1 warning generated. vim +/saa7146_enable_overlay +648 drivers/staging/media/deprecated/saa7146/common/saa7146_hlp.c ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 647 ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 @648 int saa7146_enable_overlay(struct saa7146_fh *fh) ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 649 { ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 650 struct saa7146_dev *dev = fh->dev; ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 651 struct saa7146_vv *vv = dev->vv_data; ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 652 5da545ad08a3c6e drivers/media/common/saa7146_hlp.c Hans Verkuil 2012-05-01 653 saa7146_set_window(dev, vv->ov.win.w.width, vv->ov.win.w.height, vv->ov.win.field); 5da545ad08a3c6e drivers/media/common/saa7146_hlp.c Hans Verkuil 2012-05-01 654 saa7146_set_position(dev, vv->ov.win.w.left, vv->ov.win.w.top, vv->ov.win.w.height, vv->ov.win.field, vv->ov_fmt->pixelformat); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 655 saa7146_set_output_format(dev, vv->ov_fmt->trans); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 656 saa7146_set_clipping_rect(fh); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 657 ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 658 /* enable video dma1 */ ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 659 saa7146_write(dev, MC1, (MASK_06 | MASK_22)); ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 660 return 0; ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 661 } ^1da177e4c3f415 drivers/media/common/saa7146_hlp.c Linus Torvalds 2005-04-16 662 :::::: The code at line 648 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp