While building Linux next-20210610 following builds failed due to these warnings / errors. - arm (davinci_all_defconfig) with gcc-8 / 9/ 10 - arm (davinci_all_defconfig) with clang-10/ 11/ 12 - mips (malta_defconfig) with gcc-8 / 9/ 10 make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/current ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc' ERROR: modpost: "__aeabi_uldivmod" [fs/xfs/xfs.ko] undefined! make[2]: *** [/builds/linux/scripts/Makefile.modpost:150: modules-only.symvers] Error 1 Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> steps to reproduce these build errors: # TuxMake is a command line tool and Python library that provides # portable and repeatable Linux kernel builds across a variety of # architectures, toolchains, kernel configurations, and make targets. # # TuxMake supports the concept of runtimes. # See https://docs.tuxmake.org/runtimes/, for that to work it requires # that you install podman or docker on your system. # # To install tuxmake on your system globally: # sudo pip3 install -U tuxmake # # See https://docs.tuxmake.org/ for complete documentation. tuxmake --runtime podman --target-arch arm --toolchain gcc-9 --kconfig davinci_all_defconfig ref: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next/-/jobs/1334701899#L312 -- Linaro LKFT https://lkft.linaro.org