tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 148fdf990dee4efd23c1114811b205de9c966680 commit: e20dfd27f7aa257ce01992540a36bc4e818f8452 [620/14813] drm/mgag200: Add support for G200 desktop cards config: alpha-randconfig-r023-20201013 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 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/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout e20dfd27f7aa257ce01992540a36bc4e818f8452 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=alpha If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the linux-next/master HEAD 148fdf990dee4efd23c1114811b205de9c966680 builds fine. It may have been fixed somewhere. All error/warnings (new ones prefixed by >>): drivers/gpu/drm/mgag200/mgag200_drv.c: In function 'mgag200_g200_init_refclk': 232 | bios = vmalloc(size); | ^~~~~~~ | kmalloc 232 | bios = vmalloc(size); | ^ 244 | vfree(bios); | ^~~~~ | kfree cc1: some warnings being treated as errors vim +232 drivers/gpu/drm/mgag200/mgag200_drv.c 216 217 static void mgag200_g200_init_refclk(struct mga_device *mdev) 218 { 219 struct drm_device *dev = &mdev->base; 220 unsigned char __iomem *rom; 221 unsigned char *bios; 222 size_t size; 223 224 mdev->model.g200.pclk_min = 50000; 225 mdev->model.g200.pclk_max = 230000; 226 mdev->model.g200.ref_clk = 27050; 227 228 rom = pci_map_rom(dev->pdev, &size); 229 if (!rom) 230 return; 231 233 if (!bios) 234 goto out; 235 memcpy_fromio(bios, rom, size); 236 237 if (size != 0 && bios[0] == 0x55 && bios[1] == 0xaa) 238 mgag200_g200_interpret_bios(mdev, bios, size); 239 240 drm_dbg_kms(dev, "pclk_min: %ld pclk_max: %ld ref_clk: %ld\n", 241 mdev->model.g200.pclk_min, mdev->model.g200.pclk_max, 242 mdev->model.g200.ref_clk); 243 245 out: 246 pci_unmap_rom(dev->pdev, rom); 247 } 248 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org