[ Please ignore this email if it is already reported ] Regression detected while building modules Linux next-20220127 on arm and i386 with kselftest (kselftest-merge) configs with gcc-11. Build errors i386: ------------------ make --silent --keep-going --jobs=8 ARCH=i386 CROSS_COMPILE=i686-linux-gnu- 'CC=sccache i686-linux-gnu-gcc' 'HOSTCC=sccache gcc' ERROR: modpost: "__umoddi3" [fs/btrfs/btrfs.ko] undefined! make[2]: *** [/builds/linux/scripts/Makefile.modpost:134: modules-only.symvers] Error 1 make[2]: *** Deleting file 'modules-only.symvers' Build errors arm: ------------------ make --silent --keep-going --jobs=8 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- 'CC=sccache arm-linux-gnueabihf-gcc' 'HOSTCC=sccache gcc' ERROR: modpost: "__aeabi_uldivmod" [fs/btrfs/btrfs.ko] undefined! make[2]: *** [/builds/linux/scripts/Makefile.modpost:134: modules-only.symvers] Error 1 Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> meta data: ----------- git describe: next-20220127 git_repo: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git_sha: 0eb96e2c58c03e79fc2ee833ba88bf9226986564 git_short_log: 0eb96e2c58c0 (\"Add linux-next specific files for 20220127\") target_arch: arm / i386 toolchain: gcc-11 Build log: ------------- https://builds.tuxbuild.com/24GSTOD7EpxnncxTZgHJzXw97t5/ https://builds.tuxbuild.com/24A38knX5TuIfIPU54KLcUReDcN/ steps to reproduce: ------------------- # 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 i386 --toolchain gcc-11 \ --kconfig https://builds.tuxbuild.com/24GSQgCAtqXT6UgGf37kLxUHlYX/config \ cpupower headers kernel kselftest kselftest-merge modules -- Linaro LKFT https://lkft.linaro.org