ERROR : Fatal: Missing upgrade hook for 139
ERROR : Chroot version is too new. Consider running cros_sdk --replace
ERROR : 2016年 02月 03日 星期三 12:02:27 CST
ERROR : PGID PPID PID ELAPSED TIME %CPU COMMAND
ERROR : 9 6 9 00:50 00:00:00 0.1 -bash
ERROR : 427 9 427 00:00 00:00:00 0.0 \_ /bin/bash ./setup_board --board=strago
ERROR : 427 427 642 00:00 00:00:00 0.0 \_ /bin/bash /mnt/host/source/src/scripts/update_chroot --toolchain_boards=strago --usepkg
ERROR : 427 642 819 00:00 00:00:00 0.0 \_ /bin/bash /mnt/host/source/src/scripts/update_chroot --toolchain_boards=strago --usepkg
ERROR : 427 819 820 00:00 00:00:00 0.0 \_ ps f -o pgid,ppid,pid,etime,cputime,%cpu,command
ERROR : Arguments of 642: '--toolchain_boards=strago' '--usepkg'
ERROR : Backtrace: (most recent call is last)
ERROR : update_chroot:47:main(), called: die_err_trap
ERROR :
ERROR : Command failed:
ERROR : Command '${SCRIPTS_DIR}/run_chroot_version_hooks' exited with nonzero code: 1
ERROR : (Note bash sometimes misreports "command not found" as exit code 1 instead of 127)
ERROR : 2016年 02月 03日 星期三 12:02:27 CST
ERROR : PGID PPID PID ELAPSED TIME %CPU COMMAND
ERROR : 9 6 9 00:50 00:00:00 0.1 -bash
ERROR : 427 9 427 00:00 00:00:00 0.0 \_ /bin/bash ./setup_board --board=strago
ERROR : 427 427 834 00:00 00:00:00 0.0 \_ /bin/bash ./setup_board --board=strago
ERROR : 427 834 835 00:00 00:00:00 0.0 \_ ps f -o pgid,ppid,pid,etime,cputime,%cpu,command
ERROR : Arguments of 427: ./setup_board '--board=strago'
ERROR : Backtrace: (most recent call is last)
ERROR : setup_board:108:main(), called: die_err_trap
ERROR :
ERROR : Command failed:
ERROR : Command '"${SRC_ROOT}/scripts"/update_chroot ${UPDATE_ARGS}' exited with nonzero code: 1
ERROR : (Note bash sometimes misreports "command not found" as exit code 1 instead of 127)
How can I solve this problem ? Any help greatly appreciated .