Hi Ben, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.19.y head: 2a8e1ef80a2ef69bfb9f874f32834c6e3367f9c0 commit: 75c1aa7ed1ed4caf5d9dde0a7a8f142140afbce9 [473/4570] Partially revert "usb: Kconfig: using select for USB_COMMON dependency" config: x86_64-randconfig-a001-20221205 compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1) 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=75c1aa7ed1ed4caf5d9dde0a7a8f142140afbce9 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 75c1aa7ed1ed4caf5d9dde0a7a8f142140afbce9 # 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=x86_64 SHELL=/bin/bash drivers/usb/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available >> ld.lld: error: drivers/usb/common/common.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available ld.lld: error: drivers/usb/common/led.o: contains a compressed section, but zlib is not available Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for BACKLIGHT_CLASS_DEVICE Depends on [n]: HAS_IOMEM [=y] && BACKLIGHT_LCD_SUPPORT [=n] Selected by [m]: - DRM_GMA500 [=m] && HAS_IOMEM [=y] && DRM [=m] && PCI [=y] && X86 [=y] && MMU [=y] && ACPI [=y] -- 0-DAY CI Kernel Test Service https://01.org/lkp