No this was not running within an LXC machine.  This was on my host
machine.  I have not been able to reproduce this with the current code.  I
will need to try and re-install that specific branch and see if I can
reproduce it.

On Tue, Feb 17, 2015 at 2:03 PM, Raphaël Badin <email address hidden>
wrote:

> @Newell: is this running from within a LXC machine by any chance?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1395896
>
> Title:
>   Raises CannotConfigureDHCP when saving managedcluster interface.
>
> Status in MAAS:
>   Triaged
>
> Bug description:
>   Trunk (as of 11/24/2014) gives an "Internal server error." when trying
>   to save a managed interface.
>
>   This was performed on a fresh MAAS installation (from packages).
>
>   Here is the relevant output from /var/log/maas/*.log:
>
>   ==> /var/log/maas/maas-django.log <==
>       return do_configure_dhcp(4, nodegroup, interfaces, ntp_server)
>     File
> "/usr/lib/python2.7/dist-packages/provisioningserver/utils/twisted.py",
> line 148, in wrapper
>       return func(*args, **kwargs)
>     File "/usr/lib/python2.7/dist-packages/maasserver/dhcp.py", line 114,
> in do_configure_dhcp
>       client(command, omapi_key=omapi_key, subnet_configs=subnets).wait(60)
>     File "/usr/lib/python2.7/dist-packages/crochet/_eventloop.py", line
> 219, in wait
>       result.raiseException()
>     File "<string>", line 2, in raiseException
>   CannotConfigureDHCP: DHCPv4 server failed to restart: stop: Unknown
> instance:
>   start: Job failed to start
>
>   ==> /var/log/maas/maas.log <==
>   Nov 24 13:19:23 mc maas.tftp: [WARNING] No boot images have been
> imported from the region.
>   Nov 24 13:15:21 mc maas.tftp: message repeated 2 times: [ [WARNING] No
> boot images have been imported from the region.]
>   Nov 24 13:19:42 mc maas: [WARNING] Failed to create Network when
> adding/editing cluster interface eth0-eth0 with error [{'ip': [u'Network
> with this Ip already exists.'], 'name': [u'Network with this Name already
> exists.']}]. This is OK if it already exists.
>   Nov 24 13:15:05 mc maas.tftp: [WARNING] No boot images have been
> imported from the region.
>   Nov 24 13:19:47 mc maas.calls: [INFO] Starting task
> 'write_full_dns_config' with args: () {'zones':
> [<provisioningserver.dns.zoneconfig.DNSForwardZoneConfig object at
> 0x7f09b808d550>, <provisioningserver.dns.zoneconfig.DNSReverseZoneConfig
> object at 0x7f09b808dd90>], 'callback':
> provisioningserver.tasks.rndc_command([u'reload'], False), 'upstream_dns':
> None, 'trusted_networks': u'192.168.122.0/24;'}
>   Nov 24 13:19:47 mc maas.calls: [INFO] Starting task 'rndc_command' with
> args: ([u'reload'], False) {}
>   Nov 24 13:19:47 mc maas.calls: [INFO] Finished task 'rndc_command' with
> args: ([u'reload'], False) {}
>   Nov 24 13:19:47 mc maas.calls: [INFO] Finished task
> 'write_full_dns_config' with args: () {'zones':
> [<provisioningserver.dns.zoneconfig.DNSForwardZoneConfig object at
> 0x7f09b808d550>, <provisioningserver.dns.zoneconfig.DNSReverseZoneConfig
> object at 0x7f09b808dd90>], 'callback':
> provisioningserver.tasks.rndc_command([u'reload'], False), 'upstream_dns':
> None, 'trusted_networks': u'192.168.122.0/24;'}
>   Nov 24 13:19:43 mc maas.tftp: message repeated 55 times: [ [WARNING] No
> boot images have been imported from the region.]
>   Nov 24 13:19:47 mc maas.dhcp: [ERROR] DHCPv4 server failed to restart
> (for network interfaces eth0): Command `sudo -n service maas-dhcpd restart`
> returned non-zero exit status 1:#012stop: Unknown instance: #012start: Job
> failed to start
>
>   ==> /var/log/maas/pserv.log <==
>   2014-11-24 13:04:05-0800 [Uninitialized] ClusterClient connection
> established (HOST:IPv4Address(TCP, '127.0.0.1', 53178)
> PEER:IPv4Address(TCP, u'127.0.0.1', 51119))
>   2014-11-24 13:04:05-0800 [Uninitialized] ClusterClient connection
> established (HOST:IPv4Address(TCP, '127.0.0.1', 53178)
> PEER:IPv4Address(TCP, u'127.0.0.1', 51119))
>   2014-11-24 13:04:05-0800 [ClusterClient,client] Event-loop
> 'mc:pid=29867' authenticated.
>   2014-11-24 13:04:05-0800 [ClusterClient,client] Event-loop
> 'mc:pid=29867' authenticated.
>   2014-11-24 13:04:05-0800 [ClusterClient,client] Event-loop
> 'mc:pid=29866' authenticated.
>   2014-11-24 13:04:05-0800 [ClusterClient,client] Event-loop
> 'mc:pid=29866' authenticated.
>   2014-11-24 13:04:06-0800 [ClusterClient,client] Cluster
> '4c38247a-df7a-46ad-a696-a38d582abd34' registered (via mc:pid=29867).
>   2014-11-24 13:04:06-0800 [ClusterClient,client] Cluster
> '4c38247a-df7a-46ad-a696-a38d582abd34' registered (via mc:pid=29867).
>   2014-11-24 13:04:06-0800 [ClusterClient,client] Cluster
> '4c38247a-df7a-46ad-a696-a38d582abd34' registered (via mc:pid=29866).
>   2014-11-24 13:04:06-0800 [ClusterClient,client] Cluster
> '4c38247a-df7a-46ad-a696-a38d582abd34' registered (via mc:pid=29866).
>
>
>   ubuntu@mc:~$ dpkg -l '*maas*'|cat
>   Desired=Unknown/Install/Remove/Purge/Hold
>   |
> Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
>   |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
>   ||/ Name                              Version
>  Architecture Description
>
> +++-=================================-===================================-============-===============================================================================
>   ii  maas                              1.7.1+bzr3373-0ubuntu1
>   all          MAAS server all-in-one metapackage
>   ii  maas-cli                          1.7.1+bzr3373-0ubuntu1
>   all          MAAS command line API tool
>   ii  maas-cluster-controller           1.7.1+bzr3373-0ubuntu1
>   all          MAAS server cluster controller
>   ii  maas-common                       1.7.1+bzr3373-0ubuntu1
>   all          MAAS server common files
>   ii  maas-dhcp                         1.7.1+bzr3373-0ubuntu1
>   all          MAAS DHCP server
>   ii  maas-dns                          1.7.1+bzr3373-0ubuntu1
>   all          MAAS DNS server
>   ii  maas-proxy                        1.7.1+bzr3373-0ubuntu1
>   all          MAAS Caching Proxy
>   ii  maas-region-controller            1.7.1+bzr3373-0ubuntu1
>   all          MAAS server complete region controller
>   ii  maas-region-controller-min        1.7.1+bzr3373-0ubuntu1
>   all          MAAS Server minimum region controller
>   ii  python-django-maas                1.7.1+bzr3373-0ubuntu1
>   all          MAAS server Django web framework
>   ii  python-maas-client                1.7.1+bzr3373-0ubuntu1
>   all          MAAS python API client
>   ii  python-maas-provisioningserver    1.7.1+bzr3373-0ubuntu1
>   all          MAAS server provisioning libraries
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/maas/+bug/1395896/+subscriptions
>