reproduce: # https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-misc.git/commit/?id=0e21f1dbce44bad4bb05c2541344ff3fb9643230 git remote add sre-misc https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-misc.git git fetch --no-tags sre-misc thinkpad-t14s-x1e git checkout 0e21f1dbce44bad4bb05c2541344ff3fb9643230 # choose either of the following two methods to reproduce the issue # 1. reproduce by kismet # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md kismet --linux-ksrc=linux --selectees CONFIG_LEDS_CLASS --selectors CONFIG_EC_LENOVO_THINKPAD_T14S -a=arc # 2. reproduce by make cd linux # download the config file from the "config:" link in the report, and save it as .config make ARCH=arc olddefconfig