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[Openstack] Unable to start devstack@n-cpu.service


In my experience, a DevStack cloned from the master branch (which is the default) may occasionally run into inconsistencies such as incompatible library versions. Try a stable branch e.g. git clone ... â??b stable/queens. Or just clone the master again later.

 

Your local.conf may also be at the origin of this error. 

The full stack trace with a little bit of context may also be helpful (journalctl â??u devstack at n-cpu). It might contain other errors or warnings that provide a clue.

Also look for Nova-related errors or warnings in the stack.sh log file.

                                                                                                                                                                    

Bernd.

 

From: Sagar Kohli [mailto:sagar.kohli at nic.in] 
Sent: Wednesday, March 21, 2018 6:08 PM
To: openstack at lists.openstack.org
Subject: [Openstack] Unable to start devstack at n-cpu.service

 

I am trying to install devstack on my fresh centos7 machine. All went well.
But i am not able to get service  devstack at n-cpu.service <mailto:devstack at n-cpu.service>  up. following is the output of systemctl status devstack at n-cpu.service <mailto:devstack at n-cpu.service> 

 sudo systemctl status devstack at n-cpu.service <mailto:devstack at n-cpu.service> 
â?? devstack at n-cpu.service <mailto:devstack at n-cpu.service>  - Devstack devstack at n-cpu.service <mailto:devstack at n-cpu.service> 
   Loaded: loaded (/etc/systemd/system/devstack at n-cpu.service <mailto:/etc/systemd/system/devstack at n-cpu.service> ; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Wed 2018-03-21 15:22:55 EDT; 10h left
  Process: 4252 ExecStart=/usr/bin/nova-compute --config-file /etc/nova/nova-cpu.conf (code=exited, status=1/FAILURE)
 Main PID: 4252 (code=exited, status=1/FAILURE)

Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova     from paramiko.auth_handler import AuthHandler
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova   File "/usr/lib/python2.7/site-packages/paramiko/auth_handler.py", lin...module>
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova     from paramiko.ssh_gss import GSSAuth, GSS_EXCEPTIONS
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova   File "/usr/lib/python2.7/site-packages/paramiko/ssh_gss.py", line 54,...module>
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova     GSS_EXCEPTIONS = (gssapi.GSSException,)
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova AttributeError: 'module' object has no attribute 'GSSException'
Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova 
Mar 21 15:22:55 localhost.localdomain systemd[1]: devstack at n-cpu.service <mailto:devstack at n-cpu.service> : main process exited, code=exited, status=1/FAILURE
Mar 21 15:22:55 localhost.localdomain systemd[1]: Unit devstack at n-cpu.service <mailto:devstack at n-cpu.service>  entered failed state.
Mar 21 15:22:55 localhost.localdomain systemd[1]: devstack at n-cpu.service <mailto:devstack at n-cpu.service>  failed.
Hint: Some lines were ellipsized, use -l to show in full.

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