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[Bug 1511330] Re: PPTP connection does not establish due to error: "Connection activation failed: the VPN service returned invalid configuration."

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** Description changed:

  The PPTP connection in question used to work on Vivid, now it does not
  connect after an upgrade to Wily.
  
- The relevant piece of syslog follows:
+ That error description in the title comes from nmcli; it looks somewhat
+ different in the notification popup
  
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  Starting VPN service 'pptp'...
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  VPN service 'pptp' started (org.freedesktop.NetworkManager.pptp), PID 7190
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  VPN service 'pptp' appeared; activating connections
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  VPN connection 'Office PPTP' (ConnectInteractive) reply received.
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  VPN plugin state changed: starting (3)
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: ** Message: pppd started with pid 7195
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  VPN connection 'Office PPTP' (Connect) reply received.
- Oct 29 14:03:45 monkey-mafia pppd[7195]: Plugin /usr/lib/pppd/2.4.6/nm-pptp-pppd-plugin.so loaded.
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: Plugin /usr/lib/pppd/2.4.6/nm-pptp-pppd-plugin.so loaded.
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (plugin_init): initializing
- Oct 29 14:03:45 monkey-mafia pppd[7195]: pppd 2.4.6 started by root, uid 0
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 3 / phase 'serial connection'
- Oct 29 14:03:45 monkey-mafia pppd[7195]: Using interface ppp0
- Oct 29 14:03:45 monkey-mafia pppd[7195]: Connect: ppp0 <--> /dev/pts/12
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: nm_device_get_device_type: assertion 'NM_IS_DEVICE (self)' failed
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  (ppp0): new Generic device (carrier: UNKNOWN, driver: 'unknown', ifindex: 8)
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: Using interface ppp0
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: Connect: ppp0 <--> /dev/pts/12
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
- Oct 29 14:03:45 monkey-mafia pptp[7199]: nm-pptp-service-7190 log[main:pptp.c:350]: The synchronous pptp option is NOT activated
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  devices added (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
- Oct 29 14:03:45 monkey-mafia NetworkManager[876]: <info>  device added (path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration found.
- Oct 29 14:03:46 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 1 'Start-Control-Connection-Request'
- Oct 29 14:03:46 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_disp:pptp_ctrl.c:781]: Received Start Control Connection Reply
- Oct 29 14:03:46 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_disp:pptp_ctrl.c:815]: Client connection established.
- Oct 29 14:03:47 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 7 'Outgoing-Call-Request'
- Oct 29 14:03:47 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_disp:pptp_ctrl.c:900]: Received Outgoing Call Reply.
- Oct 29 14:03:47 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_disp:pptp_ctrl.c:939]: Outgoing call established (call ID 43272, peer's call ID 251).
- Oct 29 14:03:47 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 6 / phase 'authenticate'
- Oct 29 14:03:47 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (get_credentials): passwd-hook, requesting credentials...
- Oct 29 14:03:47 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (get_credentials): got credentials from NetworkManager-pptp
- Oct 29 14:03:47 monkey-mafia pppd[7195]: CHAP authentication succeeded
- Oct 29 14:03:47 monkey-mafia NetworkManager[876]: CHAP authentication succeeded
- Oct 29 14:03:47 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
- Oct 29 14:03:47 monkey-mafia pppd[7195]: MPPE 128-bit stateless compression enabled
- Oct 29 14:03:47 monkey-mafia NetworkManager[876]: MPPE 128-bit stateless compression enabled
- Oct 29 14:03:48 monkey-mafia pppd[7195]: local  IP address 192.168.17.35
- Oct 29 14:03:48 monkey-mafia pppd[7195]: remote IP address 192.168.17.1
- Oct 29 14:03:48 monkey-mafia pppd[7195]: primary   DNS address 192.168.17.1
- Oct 29 14:03:48 monkey-mafia pppd[7195]: secondary DNS address 8.8.4.4
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  VPN connection 'Office PPTP' (IP4 Config Get) reply received from old-style plugin.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  VPN Gateway: 217.13.222.44
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  Tunnel Device: ppp0
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  IPv4 configuration:
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Internal Address: 192.168.17.35
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Internal Prefix: 32
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Internal Point-to-Point Address: 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Maximum Segment Size (MSS): 0
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Static Route: 172.16.16.0/20   Next Hop: 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Static Route: 192.168.17.0/24   Next Hop: 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Static Route: 172.16.32.0/22   Next Hop: 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Forbid Default Route: yes
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Internal DNS: 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    Internal DNS: 8.8.4.4
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>    DNS Domain: '(none)'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  No IPv6 configuration
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  VPN plugin state changed: started (4)
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <warn>  platform-linux: do-add-ip4-route: failure adding ip4-route '8: 172.16.16.0/20 1': Unspecific failure (1)
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <warn>  platform-linux: do-add-ip4-route: failure adding ip4-route '8: 172.16.32.0/22 1': Unspecific failure (1)
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <warn>  platform-linux: do-add-ip4-route: failure adding ip4-route '8: 192.168.17.0/24 1': Unspecific failure (1)
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <warn>  VPN connection 'Office PPTP' did not receive valid IP config information.
- Oct 29 14:03:48 monkey-mafia pppd[7195]: Terminating on signal 15
- Oct 29 14:03:48 monkey-mafia pppd[7195]: Connect time 0.0 minutes.
- Oct 29 14:03:48 monkey-mafia pppd[7195]: Sent 124 bytes, received 94 bytes.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: local  IP address 192.168.17.35
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: remote IP address 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: primary   DNS address 192.168.17.1
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: secondary DNS address 8.8.4.4
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 9 / phase 'running'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_ip_up): ip-up event
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_ip_up): sending Ip4Config to NetworkManager-pptp...
- Oct 29 14:03:48 monkey-mafia pppd[7195]: MPPE disabled
- Oct 29 14:03:48 monkey-mafia pppd[7195]: Child process /usr/sbin/pptp 217.13.222.44 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-7190 (pid 7197) terminated with signal 15
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: PPTP service (IP Config Get) reply received.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: Terminated ppp daemon with PID 7195.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: Terminating on signal 15
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 10 / phase 'terminate'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 8 / phase 'network'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: Connect time 0.0 minutes.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: Sent 124 bytes, received 94 bytes.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: MPPE disabled
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 10 / phase 'terminate'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 5 / phase 'establish'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: Child process /usr/sbin/pptp 217.13.222.44 --nolaunchpppd --loglevel 0 --logstring nm-pptp-service-7190 (pid 7197) terminated with signal 15
- Oct 29 14:03:48 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[pptp_read_some:pptp_ctrl.c:586]: read returned zero, peer has closed
- Oct 29 14:03:48 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[callmgr_main:pptp_callmgr.c:269]: Closing connection (shutdown)
- Oct 29 14:03:48 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[ctrlp_rep:pptp_ctrl.c:259]: Sent control packet type is 12 'Call-Clear-Request'
- Oct 29 14:03:48 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[pptp_read_some:pptp_ctrl.c:586]: read returned zero, peer has closed
- Oct 29 14:03:48 monkey-mafia pptp[7217]: nm-pptp-service-7190 log[call_callback:pptp_callmgr.c:84]: Closing connection (call state)
- Oct 29 14:03:48 monkey-mafia pppd[7195]: Connection terminated.
- Oct 29 14:03:48 monkey-mafia avahi-daemon[802]: Withdrawing workstation service for ppp0.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 11 / phase 'disconnect'
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: Connection terminated.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <info>  devices removed (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: <warn>  (ppp0): failed to disable userspace IPv6LL address handling
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_phasechange): status 1 / phase 'dead'
- Oct 29 14:03:48 monkey-mafia pppd[7195]: Exit.
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** Message: nm-pptp-ppp-plugin: (nm_exit_notify): cleaning up
- Oct 29 14:03:48 monkey-mafia NetworkManager[876]: ** (nm-pptp-service:7190): WARNING **: pppd exited with error code 5
- Oct 29 14:04:08 monkey-mafia NetworkManager[876]: <info>  VPN service 'pptp' disappeared
+ The relevant piece of syslog is in the attached syslog-snippet.txt
  
- I'd say that piece of IP config looks valid to me
+ I'd say that the IP config as stated in the log looks valid to me
  
  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: network-manager-pptp 0.9.10.0-1ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Oct 29 14:07:01 2015
  InstallationDate: Installed on 2015-08-20 (69 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: network-manager-pptp
  UpgradeStatus: No upgrade log present (probably fresh install)

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to network-manager-pptp in Ubuntu.
https://bugs.launchpad.net/bugs/1511330

Title:
  PPTP connection does not establish due to error: "Connection
  activation failed: the VPN service returned invalid configuration."

Status in network-manager-pptp package in Ubuntu:
  Confirmed

Bug description:
  The PPTP connection in question used to work on Vivid, now it does not
  connect after an upgrade to Wily.

  That error description in the title comes from nmcli; it looks
  somewhat different in the notification popup

  The relevant piece of syslog is in the attached syslog-snippet.txt

  I'd say that the IP config as stated in the log looks valid to me

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: network-manager-pptp 0.9.10.0-1ubuntu1
  ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
  Uname: Linux 4.2.0-16-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Oct 29 14:07:01 2015
  InstallationDate: Installed on 2015-08-20 (69 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  SourcePackage: network-manager-pptp
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager-pptp/+bug/1511330/+subscriptions

References

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