Public bug reported:
After upgrading my 16.04 installation today I noticed my VPN sessions
suddenly had no name resolution anymore.
Digging through /var/log/apt/history.log I noticed these were the
updates:
Start-Date: 2016-10-13 09:00:37
Commandline: apt dist-upgrade
Requested-By: jeroenr (1000)
Upgrade: libnm-glib4:amd64 (1.2.2-0ubuntu0.16.04.1, 1.2.2-0ubuntu0.16.04.3),
libsystemd0:amd64 (229-4ubuntu10, 229-4ubuntu11), libsystemd0:i386
(229-4ubuntu10, 229-4ubuntu11), libdbusmenu-glib4:amd64
(12.10.3+16.04.20160223.1-0ubuntu1, 16.04.1+16.04.20160927-0ubuntu1),
google-chrome-stable:amd64 (53.0.2785.143-1, 54.0.2840.59-1),
libnm-glib-vpn1:amd64 (1.2.2-0ubuntu0.16.04.1, 1.2.2-0ubuntu0.16.04.3),
udev:amd64 (229-4ubuntu10, 229-4ubuntu11), libnm0:amd64
(1.2.2-0ubuntu0.16.04.1, 1.2.2-0ubuntu0.16.04.3), network-manager:amd64
(1.2.2-0ubuntu0.16.04.1, 1.2.2-0ubuntu0.16.04.3), libdbusmenu-gtk4:amd64
(12.10.3+16.04.20160223.1-0ubuntu1, 16.04.1+16.04.20160927-0ubuntu1), kbd:amd64
(1.15.5-1ubuntu4, 1.15.5-1ubuntu5), libudev1:amd64 (229-4ubuntu10,
229-4ubuntu11), libudev1:i386 (229-4ubuntu10, 229-4ubuntu11), libnm-util2:amd64
(1.2.2-0ubuntu0.16.04.1, 1.2.2-0ubuntu0.16.04.3), libappstream-glib8:amd64
(0.5.13-1ubuntu3, 0.5.13-1ubuntu4), gnome-calculator:amd64 (1:3.18.3-0ubuntu1,
1:3.18.3-0ub
untu1.16.04.1), systemd-sysv:amd64 (229-4ubuntu10, 229-4ubuntu11),
libpam-systemd:amd64 (229-4ubuntu10, 229-4ubuntu11), systemd:amd64
(229-4ubuntu10, 229-4ubuntu11), gir1.2-dbusmenu-glib-0.4:amd64
(12.10.3+16.04.20160223.1-0ubuntu1, 16.04.1+16.04.20160927-0ubuntu1),
libdbusmenu-gtk3-4:amd64 (12.10.3+16.04.20160223.1-0ubuntu1,
16.04.1+16.04.20160927-0ubuntu1), lightdm:amd64 (1.18.2-0ubuntu2,
1.18.3-0ubuntu1), liblightdm-gobject-1-0:amd64 (1.18.2-0ubuntu2,
1.18.3-0ubuntu1)
End-Date: 2016-10-13 09:01:06
After downloading version 1.2.2-0ubuntu0.16.04.1 copies of libnm-glib-
vpn1:amd64 libnm-glib4:amd64 libnm-util2:amd64 libnm0:amd64 network-
manager:amd64 and installing them via: sudo -H dpkg -i *.deb my name
resolution started working again.
Additional information:
% lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
% apt-cache policy libnm-glib-vpn1 libnm-glib4 libnm-util2 libnm0
network-manager
libnm-glib-vpn1:
Installed: 1.2.2-0ubuntu0.16.04.1
Candidate: 1.2.2-0ubuntu0.16.04.3
Version table:
1.2.2-0ubuntu0.16.04.3 500
500 http://nl.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
*** 1.2.2-0ubuntu0.16.04.1 100
100 /var/lib/dpkg/status
1.1.93-0ubuntu4 500
500 http://nl.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
libnm-glib4:
Installed: 1.2.2-0ubuntu0.16.04.1
Candidate: 1.2.2-0ubuntu0.16.04.3
Version table:
1.2.2-0ubuntu0.16.04.3 500
500 http://nl.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
*** 1.2.2-0ubuntu0.16.04.1 100
100 /var/lib/dpkg/status
1.1.93-0ubuntu4 500
500 http://nl.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
libnm-util2:
Installed: 1.2.2-0ubuntu0.16.04.1
Candidate: 1.2.2-0ubuntu0.16.04.3
Version table:
1.2.2-0ubuntu0.16.04.3 500
500 http://nl.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
*** 1.2.2-0ubuntu0.16.04.1 100
100 /var/lib/dpkg/status
1.1.93-0ubuntu4 500
500 http://nl.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
libnm0:
Installed: 1.2.2-0ubuntu0.16.04.1
Candidate: 1.2.2-0ubuntu0.16.04.3
Version table:
1.2.2-0ubuntu0.16.04.3 500
500 http://nl.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
*** 1.2.2-0ubuntu0.16.04.1 100
100 /var/lib/dpkg/status
1.1.93-0ubuntu4 500
500 http://nl.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
network-manager:
Installed: 1.2.2-0ubuntu0.16.04.1
Candidate: 1.2.2-0ubuntu0.16.04.3
Version table:
1.2.2-0ubuntu0.16.04.3 500
500 http://nl.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
*** 1.2.2-0ubuntu0.16.04.1 100
100 /var/lib/dpkg/status
1.1.93-0ubuntu4 500
500 http://nl.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
% apt-cache policy vpnc
vpnc:
Installed: 0.5.3r550-2build1
Candidate: 0.5.3r550-2build1
Version table:
*** 0.5.3r550-2build1 500
500 http://nl.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
100 /var/lib/dpkg/status
Expected
After updating that connecting to my existing and working Cisco VPN would work
What happened
Name resolution failed. Could not ping hosts over VPN anymore.
Most likely cause
It seems that /etc/resolv.conf is not getting the search argument added to the
file anymore. With .3 installed I only had a nameserver 127.0.0.1 line. Now
with .1 installed I see that I have both that nameserver 127.0.0.1 line as well
as search <VPN DNS domain>
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1633003
Title:
(Cisco) VPN name resolution breaks after upgrade to
1.2.2-0ubuntu0.16.04.3
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1633003/+subscriptions
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