undercloud install or upgrade fails with Error: mistral-db-manage --config-file=/etc/mistral/mistral.conf upgrade head returned instead of one of [0]^[[0m

Issue

• undercloud install log

2017-10-11 08:38:08,895 INFO: 2017-10-11 08:38:08 - ^[[1;31mError: mistral-db-manage --config-file=/etc/mistral/mistral.conf upgrade head returned  instead of one of [0]^[[0m

• manual run that command and see:

mistral-db-manage --config-file=/etc/mistral/mistral.conf upgrade
Segmentation fault (core dumped)

• will see this in core dump. so we ran it manually.

 /usr/bin/python /usr/bin/mistral-server --config-file=/etc/mistral/mistral.conf

-bash-4.2$ /usr/bin/python /usr/bin/mistral-server --config-file=/etc/mistral/mistral.conf
Segmentation fault (core dumped)