Open Stack

Hi,
  I'm trying to install and configure OpenStack by *religiously* following the instructions described in
OpenStack Installation Guide for Ubuntu 14.04 for kilo dated August 7 2015

I'm trying "Minimal architecture example with OpenStack Networking (Neutron) with 3 nodes (3 number of 64-bit Ubuntu 14.04 LTS x86 hosts).I'm using MariaDB.

In the OpenStack Identity install and configure part, for the below step
Populate the Identity service database:
# su -s /bin/sh -c "keystone-manage db_sync" keystone

I'm getting following error. 
# su -s /bin/sh -c "keystone-manage db_sync" keystone

No handlers could be found for logger "oslo_config.cfg"
2015-08-25 21:25:29.570 21500 WARNING oslo_db.sqlalchemy.engines [-] SQL connection failed. 10 attempts left.
...
Debugging led me to following messages using 'dmesg' command.
[23581.791775] init: keystone main process (17997) terminated with status 1
[23581.791789] init: keystone main process ended, respawning
[23582.038769] init: keystone main process (17999) terminated with status 1
[23582.038779] init: keystone main process ended, respawning
[23582.291585] init: keystone main process (18001) terminated with status 1
[23582.291606] init: keystone main process ended, respawning
[23582.543442] init: keystone main process (18003) terminated with status 1
[23582.543459] init: keystone main process ended, respawning
[23582.790708] init: keystone main process (18005) terminated with status 1
[23582.790717] init: keystone main process ended, respawning
[23583.036790] init: keystone main process (18007) terminated with status 1
[23583.036800] init: keystone main process ended, respawning
[23583.281328] init: keystone main process (18009) terminated with status 1
[23583.281338] init: keystone main process ended, respawning
[23583.527919] init: keystone main process (18011) terminated with status 1
[23583.527940] init: keystone main process ended, respawning
[23583.770823] init: keystone main process (18013) terminated with status 1
[23583.770845] init: keystone main process ended, respawning
[23584.019803] init: keystone main process (18015) terminated with status 1
[23584.019825] init: keystone main process ended, respawning
[23584.269494] init: keystone main process (18017) terminated with status 1
[23584.269504] init: keystone respawning too fast, stopped

I spent a couple of hours googling for above errors, but didn't find any
precise cause and solution for above error.

Could someone please tell me what's wrong with my setup ?

Thank you.
Mahendra
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