On Sat, Jun 01, 2024 at 06:41:19PM +0100, Chavdar Ivanov wrote: > ptyfsoldnodes fix: > [1] Bad system call ${HOST_SH} "${MAKEDEV_DIR}/MAKEDEV" -s You need to run a new kernel before you install new userland. In this case you hit the new version of dup3(2) which crashes on the old kernel. Martin