| 2018-02-28 20:22:03 |
Liam |
bug |
|
|
added bug |
| 2018-03-21 08:33:26 |
Launchpad Janitor |
openconnect (Ubuntu): status |
New |
Confirmed |
|
| 2018-03-21 08:55:41 |
cryo28 |
bug |
|
|
added subscriber cryo28 |
| 2018-04-03 19:26:09 |
Marc Dietrich |
bug |
|
|
added subscriber Avahi |
| 2018-04-03 19:26:51 |
Marc Dietrich |
bug |
|
|
added subscriber Marc Dietrich |
| 2018-04-09 06:39:23 |
Trent Lloyd |
bug task added |
|
bind9 (Ubuntu) |
|
| 2018-04-09 06:39:36 |
Trent Lloyd |
bind9 (Ubuntu): importance |
Undecided |
Critical |
|
| 2018-04-09 06:39:45 |
Trent Lloyd |
bug task added |
|
avahi (Ubuntu) |
|
| 2018-04-09 06:39:50 |
Trent Lloyd |
avahi (Ubuntu): importance |
Undecided |
High |
|
| 2018-04-09 06:39:53 |
Trent Lloyd |
bind9 (Ubuntu): importance |
Critical |
High |
|
| 2018-04-09 06:39:55 |
Trent Lloyd |
bind9 (Ubuntu): status |
New |
Confirmed |
|
| 2018-04-09 06:39:57 |
Trent Lloyd |
avahi (Ubuntu): status |
New |
Confirmed |
|
| 2018-04-09 06:41:33 |
Trent Lloyd |
summary |
Can not ping IP addresses on remote network after connect |
bind9-host, avahi-daemon-check-dns.sh hang forever causes network connections to get stuck |
|
| 2018-04-09 08:31:21 |
Trent Lloyd |
openconnect (Ubuntu): status |
Confirmed |
Invalid |
|
| 2018-04-09 13:42:35 |
Marc Dietrich |
attachment added |
|
output of "trace -Sf host -d -v -w5 -t soa local." https://bugs.launchpad.net/ubuntu/+source/openconnect/+bug/1752411/+attachment/5107990/+files/ltrace.txt.gz |
|
| 2018-04-16 03:44:54 |
Trent Lloyd |
attachment added |
|
lp1752411-avahi-host-timeout.diff https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5117372/+files/lp1752411-avahi-host-timeout.diff |
|
| 2018-04-16 03:47:09 |
Trent Lloyd |
bug |
|
|
added subscriber Ubuntu Sponsors Team |
| 2018-04-16 03:47:14 |
Trent Lloyd |
avahi (Ubuntu): assignee |
|
Trent Lloyd (lathiat) |
|
| 2018-05-06 09:09:27 |
Andrej Shadura |
bug watch added |
|
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=898038 |
|
| 2018-05-07 17:05:58 |
Andreas Hasenack |
bug task added |
|
avahi (Debian) |
|
| 2018-05-08 21:17:05 |
Bug Watch Updater |
avahi (Debian): status |
Unknown |
New |
|
| 2018-06-05 00:13:28 |
Adrian Panella |
bug |
|
|
added subscriber Adrian Panella |
| 2018-06-20 09:13:23 |
Florent B |
bug |
|
|
added subscriber Florent B |
| 2018-07-07 00:03:34 |
Anton Blanchard |
bug |
|
|
added subscriber Anton Blanchard |
| 2018-07-11 00:37:00 |
Joel Stanley |
bug |
|
|
added subscriber Joel Stanley |
| 2018-07-19 19:38:16 |
Laban Sköllermark |
bug |
|
|
added subscriber Laban Sköllermark |
| 2018-08-02 12:22:36 |
Robie Basak |
tags |
amd64 apport-bug bionic |
amd64 apport-bug bionic server-next |
|
| 2018-08-17 05:29:52 |
Simon Quigley |
removed subscriber Ubuntu Sponsors Team |
|
|
|
| 2018-08-20 14:53:48 |
Christian Ehrhardt |
bug |
|
|
added subscriber Christian Ehrhardt |
| 2018-08-20 15:36:25 |
Erich E. Hoover |
bug task added |
|
strongswan (Ubuntu) |
|
| 2018-08-20 15:36:55 |
Erich E. Hoover |
bug |
|
|
added subscriber Erich E. Hoover |
| 2018-08-21 06:33:39 |
Christian Ehrhardt |
bug |
|
|
added subscriber Ubuntu Server |
| 2018-08-21 06:43:49 |
Christian Ehrhardt |
strongswan (Ubuntu): status |
New |
Invalid |
|
| 2018-08-21 14:25:42 |
Trent Lloyd |
attachment added |
|
lp1752411-avahi-host-timeout-cosmic.patch https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5178692/+files/lp1752411-avahi-host-timeout-cosmic.patch |
|
| 2018-08-21 14:26:05 |
Trent Lloyd |
attachment added |
|
lp1752411-avahi-host-timeout-bionic.patch https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5178693/+files/lp1752411-avahi-host-timeout-bionic.patch |
|
| 2018-08-21 14:32:19 |
Trent Lloyd |
bug |
|
|
added subscriber Ubuntu Sponsors Team |
| 2018-08-21 14:36:00 |
Trent Lloyd |
removed subscriber Ubuntu Sponsors Team |
|
|
|
| 2018-08-21 14:43:30 |
Trent Lloyd |
description |
On 18.04 Openconnect connects successfully to any of multiple VPN concentrators but network traffic does not flow across the VPN tunnel connection. When testing on 16.04 this works flawlessly. This also worked on this system when it was on 17.10.
I have tried reducing the mtu of the tun0 network device but this has not resulted in me being able to successfully ping the IP address.
Example showing ping attempt to the IP of DNS server:
~$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 172.29.88.11
nameserver 127.0.0.53
liam@liam-lat:~$ netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlp2s0
105.27.198.106 192.168.1.1 255.255.255.255 UGH 0 0 0 wlp2s0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0
172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0
172.29.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tun0
172.29.88.11 0.0.0.0 255.255.255.255 UH 0 0 0 tun0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlp2s0
liam@liam-lat:~$ ping 172.29.88.11
PING 172.29.88.11 (172.29.88.11) 56(84) bytes of data.
^C
--- 172.29.88.11 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3054ms
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: openconnect 7.08-3
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 28 22:11:33 2018
InstallationDate: Installed on 2017-06-15 (258 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: openconnect
UpgradeStatus: Upgraded to bionic on 2018-02-22 (6 days ago) |
[Impact]
* Network connections for some users fail (in some cases a direct interface, in others when connecting a VPN) because the 'host' command to check for .local in DNS called by /usr/lib/avahi/avahi-daemon-check-dns.sh never times out like it should - leaving the script hanging indefinitely blocking interface up and start-up. This appears to be a bug in host caused in some circumstances however we implement a workaround to call it under 'timeout' as the issue with 'host' has not easily been identified, and in any case acts as a fall-back.
[Test Case]
* Multiple people have been unable to create a reproducer on a generic machine (e.g. it does not occur in a VM), I have a specific machine I can reproduce it on (a Skull Canyon NUC with Intel I219-LM) by simply "ifdown br0; ifup br0" and there are clearly 10s of other users affected in varying circumstances that all involve the same symptoms but no clear test case exists. Best I can suggest is that I test the patch on my system to ensure it works as expected, and the change is only 1 line which is fairly easily auditible and understandable.
[Regression Potential]
* The change is a single line change to the shell script to call host with "timeout". When tested on working and non-working system this appears to function as expected. I believe the regression potential for this is subsequently low.
* In attempt to anticipate possible issues, I checked that the timeout command is in the same path (/usr/bin) as the host command that is already called without a path, and the coreutils package (which contains timeout) is an Essential package. I also checked that timeout is not a built-in in bash, for those that have changed /bin/sh to bash (just in case).
[Other Info]
* N/A
[Original Bug Description]
On 18.04 Openconnect connects successfully to any of multiple VPN concentrators but network traffic does not flow across the VPN tunnel connection. When testing on 16.04 this works flawlessly. This also worked on this system when it was on 17.10.
I have tried reducing the mtu of the tun0 network device but this has not resulted in me being able to successfully ping the IP address.
Example showing ping attempt to the IP of DNS server:
~$ cat /etc/resolv.conf
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
# 127.0.0.53 is the systemd-resolved stub resolver.
# run "systemd-resolve --status" to see details about the actual nameservers.
nameserver 172.29.88.11
nameserver 127.0.0.53
liam@liam-lat:~$ netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlp2s0
105.27.198.106 192.168.1.1 255.255.255.255 UGH 0 0 0 wlp2s0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0
172.17.0.0 0.0.0.0 255.255.0.0 U 0 0 0 docker0
172.29.0.0 0.0.0.0 255.255.0.0 U 0 0 0 tun0
172.29.88.11 0.0.0.0 255.255.255.255 UH 0 0 0 tun0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlp2s0
liam@liam-lat:~$ ping 172.29.88.11
PING 172.29.88.11 (172.29.88.11) 56(84) bytes of data.
^C
--- 172.29.88.11 ping statistics ---
4 packets transmitted, 0 received, 100% packet loss, time 3054ms
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: openconnect 7.08-3
ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3
Uname: Linux 4.15.0-10-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 28 22:11:33 2018
InstallationDate: Installed on 2017-06-15 (258 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
SourcePackage: openconnect
UpgradeStatus: Upgraded to bionic on 2018-02-22 (6 days ago) |
|
| 2018-08-21 14:44:37 |
Trent Lloyd |
attachment removed |
lp1752411-avahi-host-timeout.diff https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5117372/+files/lp1752411-avahi-host-timeout.diff |
|
|
| 2018-08-21 14:44:46 |
Trent Lloyd |
attachment removed |
lp1752411-avahi-host-timeout-cosmic.patch https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5178692/+files/lp1752411-avahi-host-timeout-cosmic.patch |
|
|
| 2018-08-21 14:44:47 |
Trent Lloyd |
attachment removed |
lp1752411-avahi-host-timeout-bionic.patch https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5178693/+files/lp1752411-avahi-host-timeout-bionic.patch |
|
|
| 2018-08-21 14:45:06 |
Trent Lloyd |
attachment added |
|
lp1752411-avahi-host-timeout-bionic.patch https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5178709/+files/lp1752411-avahi-host-timeout-bionic.patch |
|
| 2018-08-21 14:45:17 |
Trent Lloyd |
attachment added |
|
lp1752411-avahi-host-timeout-cosmic.patch https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1752411/+attachment/5178710/+files/lp1752411-avahi-host-timeout-cosmic.patch |
|
| 2018-08-21 14:49:05 |
Trent Lloyd |
bug |
|
|
added subscriber Ubuntu Sponsors Team |
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
nominated for series |
|
Ubuntu Cosmic |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
bind9 (Ubuntu Cosmic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
avahi (Ubuntu Cosmic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
strongswan (Ubuntu Cosmic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
openconnect (Ubuntu Cosmic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
nominated for series |
|
Ubuntu Bionic |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
bind9 (Ubuntu Bionic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
avahi (Ubuntu Bionic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
strongswan (Ubuntu Bionic) |
|
| 2018-08-22 09:53:08 |
Christian Ehrhardt |
bug task added |
|
openconnect (Ubuntu Bionic) |
|
| 2018-08-22 09:53:18 |
Christian Ehrhardt |
bug task deleted |
strongswan (Ubuntu Cosmic) |
|
|
| 2018-08-22 09:53:23 |
Christian Ehrhardt |
bug task deleted |
strongswan (Ubuntu Bionic) |
|
|
| 2018-08-22 09:53:29 |
Christian Ehrhardt |
bug task deleted |
openconnect (Ubuntu Cosmic) |
|
|
| 2018-08-22 09:53:34 |
Christian Ehrhardt |
bug task deleted |
openconnect (Ubuntu Bionic) |
|
|
| 2018-08-22 09:53:46 |
Christian Ehrhardt |
bind9 (Ubuntu Bionic): status |
New |
Confirmed |
|
| 2018-08-22 09:53:50 |
Christian Ehrhardt |
avahi (Ubuntu Bionic): status |
New |
Triaged |
|
| 2018-08-22 09:53:52 |
Christian Ehrhardt |
avahi (Ubuntu Cosmic): status |
Confirmed |
In Progress |
|
| 2018-08-28 07:35:36 |
Christian Ehrhardt |
avahi (Ubuntu Cosmic): status |
In Progress |
Fix Released |
|
| 2018-08-28 09:41:58 |
Launchpad Janitor |
merge proposal linked |
|
https://code.launchpad.net/~paelzer/ubuntu/+source/avahi/+git/avahi/+merge/353846 |
|
| 2018-08-30 09:47:01 |
Marc Dietrich |
attachment added |
|
strace.txt https://bugs.launchpad.net/ubuntu/+source/openconnect/+bug/1752411/+attachment/5182590/+files/strace.txt |
|
| 2018-08-30 10:04:54 |
Marc Dietrich |
attachment added |
|
gdb.txt https://bugs.launchpad.net/ubuntu/+source/openconnect/+bug/1752411/+attachment/5182603/+files/gdb.txt |
|
| 2018-08-30 19:09:38 |
Brian Murray |
avahi (Ubuntu Bionic): status |
Triaged |
Fix Committed |
|
| 2018-08-30 19:09:44 |
Brian Murray |
bug |
|
|
added subscriber Ubuntu Stable Release Updates Team |
| 2018-08-30 19:09:46 |
Brian Murray |
bug |
|
|
added subscriber SRU Verification |
| 2018-08-30 19:09:58 |
Brian Murray |
tags |
amd64 apport-bug bionic server-next |
amd64 apport-bug bionic server-next verification-needed verification-needed-bionic |
|
| 2018-08-30 19:10:15 |
Brian Murray |
removed subscriber Ubuntu Sponsors Team |
|
|
|
| 2018-09-03 09:13:18 |
Trent Lloyd |
tags |
amd64 apport-bug bionic server-next verification-needed verification-needed-bionic |
amd64 apport-bug bionic server-next verification-done-bionic verification-needed |
|
| 2018-09-03 09:22:38 |
Trent Lloyd |
avahi (Ubuntu Bionic): importance |
Undecided |
High |
|
| 2018-09-03 09:22:41 |
Trent Lloyd |
avahi (Ubuntu Bionic): assignee |
|
Trent Lloyd (lathiat) |
|
| 2018-09-06 07:48:38 |
Łukasz Zemczak |
removed subscriber Ubuntu Stable Release Updates Team |
|
|
|
| 2018-09-06 07:48:36 |
Launchpad Janitor |
avahi (Ubuntu Bionic): status |
Fix Committed |
Fix Released |
|
| 2018-10-10 18:40:57 |
Andreas Hasenack |
tags |
amd64 apport-bug bionic server-next verification-done-bionic verification-needed |
amd64 apport-bug bionic verification-done-bionic verification-needed |
|
| 2021-02-25 21:58:28 |
Bug Watch Updater |
avahi (Debian): status |
New |
Fix Released |
|
| 2021-10-06 19:16:12 |
Bryce Harrington |
bind9 (Ubuntu Cosmic): status |
Confirmed |
Won't Fix |
|
| 2022-06-02 09:52:13 |
Christian Ehrhardt |
removed subscriber Ubuntu Server |
|
|
|
