Hi, Does any one encounter this error when install devstack? How did you resolve this issue? + [[ 1 -ne 0 ]] + echo 'Error on exit' Error on exit + ./tools/worlddump.py -d usage: worlddump.py [-h] [-d DIR] worlddump.py: error: argument -d/--dir: expected one argument 317.292u 180.092s 14:40.93 56.4% 0+0k 195042+2987608io 1003pf+0w BTW: I was using ubuntu 12.04 gyliu at mesos014.eng.platformlab.ibm.com-84: cat /etc/*release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" -- Thanks, Jay -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20140702/07caba4c/attachment.html>