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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>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. </span><span style='font-size:10.0pt;font-family:Consolas'>git clone ... –b stable/queens</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>. Or just clone the master again later.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Your local.conf may also be at the origin of this error. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>The full stack trace with a little bit of context may also be helpful (</span><span style='font-size:10.0pt;font-family:Consolas'>journalctl –u devstack@n-cpu</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>). It might contain other errors or warnings that provide a clue.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Also look for Nova-related errors or warnings in the stack.sh log file.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Bernd.<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Sagar Kohli [mailto:sagar.kohli@nic.in] <br><b>Sent:</b> Wednesday, March 21, 2018 6:08 PM<br><b>To:</b> openstack@lists.openstack.org<br><b>Subject:</b> [Openstack] Unable to start devstack@n-cpu.service<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>I am trying to install devstack on my fresh centos7 machine. All went well.<br>But i am not able to get service <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a> up. following is the output of <span style='font-size:10.0pt;color:lightcoral;background:white'>systemctl status <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a></span><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:10.0pt;color:lightcoral'> <span style='background:white'>sudo systemctl status <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a><br>● <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a> - Devstack <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a><br> Loaded: loaded (<a href="mailto:/etc/systemd/system/devstack@n-cpu.service">/etc/systemd/system/devstack@n-cpu.service</a>; enabled; vendor preset: disabled)<br> Active: failed (Result: exit-code) since Wed 2018-03-21 15:22:55 EDT; 10h left<br> Process: 4252 ExecStart=/usr/bin/nova-compute --config-file /etc/nova/nova-cpu.conf (code=exited, status=1/FAILURE)<br> Main PID: 4252 (code=exited, status=1/FAILURE)<br><br>Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova from paramiko.auth_handler import AuthHandler<br>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><br>Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova from paramiko.ssh_gss import GSSAuth, GSS_EXCEPTIONS<br>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><br>Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova GSS_EXCEPTIONS = (gssapi.GSSException,)<br>Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova AttributeError: 'module' object has no attribute 'GSSException'<br>Mar 21 15:22:55 localhost.localdomain nova-compute[4252]: ERROR nova <br>Mar 21 15:22:55 localhost.localdomain systemd[1]: <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a>: main process exited, code=exited, status=1/FAILURE<br>Mar 21 15:22:55 localhost.localdomain systemd[1]: Unit <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a> entered failed state.<br>Mar 21 15:22:55 localhost.localdomain systemd[1]: <a href="mailto:devstack@n-cpu.service">devstack@n-cpu.service</a> failed.<br>Hint: Some lines were ellipsized, use -l to show in full.</span></span><o:p></o:p></p></blockquote></div></body></html>