[Rdo-list] Horizon in fresh install of Havana not working

Diogo Vieira dfv at eurotux.com
Fri Oct 25 17:36:48 UTC 2013

On Oct 25, 2013, at 6:26 PM, Pádraig Brady <pbrady at redhat.com> wrote:

> On 10/25/2013 06:18 PM, Diogo Vieira wrote:
>> Hi!
>> I made a clean install of Havana on a machine and by the time it finished installing, I was unable to use the dashboard as a message saying:
>>> Something went wrong!
>>> An unexpected error has occurred. Try refreshing the page. If that doesn't help, contact your local administrator.
>> I'm now trying to find what the problem is and I found the status of the dashboard in openstack-status is 500 and that neutron-dhcp-agent failed to start with this relevant part of the dhcp-agent.log:
>>> 2013-10-25 18:00:15.550 2165 INFO neutron.common.config [-] Logging enabled!
>>> 2013-10-25 18:00:15.551 2165 ERROR neutron.common.legacy [-] Skipping unknown group key: firewall_driver
>>> 2013-10-25 18:00:15.585 2165 WARNING neutron.agent.linux.dhcp [-] Unable to determine dnsmasq version. Please ensure that its version is 2.59 or above!
>>> 2013-10-25 18:00:15.658 2165 ERROR neutron.openstack.common.threadgroup [-] [Errno 22] Invalid argument
>> I seem to have read somewhere that a 500 status in horizon may be caused by one of the others components failing. So I'm assuming this could be my problem.
>> Furthermore, I found that snippet may be the relevant part of the logs because I found some bug reports indicating that this could be a problem with dnsmasq. The problem is that I have version 2.66 of dnsmasq installed in the system.
> Right http://pad.lv/1212401
> That weird error happens when dnsmasq is not installed.
> Where did you get dnsmasq 2.66 from?
> Is the dnsmasq service running?
> Note dnsmasq-2.48 may seem too old giben the above message,
> but is patched to have the required functionality.
> thanks,
> Pádraig.

I got dnsmasq from the repositories (running on a Fedora 19)

> [root at openstack ~(keystone_admin)]# dnsmasq -v
> Dnsmasq version 2.66  Copyright (c) 2000-2013 Simon Kelley
> Compile time options: IPv6 GNU-getopt DBus no-i18n IDN DHCP DHCPv6 no-Lua TFTP no-conntrack ipset auth
> This software comes with ABSOLUTELY NO WARRANTY.
> Dnsmasq is free software, and you are welcome to redistribute it
> under the terms of the GNU General Public License, version 2 or 3.

And it is running:

> [root at openstack ~(keystone_admin)]# service dnsmasq status
> Redirecting to /bin/systemctl status  dnsmasq.service
> dnsmasq.service - DNS caching server.
>    Loaded: loaded (/usr/lib/systemd/system/dnsmasq.service; disabled)
>    Active: active (running) since Fri 2013-10-25 18:31:43 WEST; 2min 41s ago
>  Main PID: 8389 (dnsmasq)
>    CGroup: name=systemd:/system/dnsmasq.service
>            └─8389 /usr/sbin/dnsmasq -k
> (..)

Thank you,
Diogo Vieira

More information about the dev mailing list