Public bug reported:
With Xubuntu 17.10 the following problem occurs on a Lenovo X230 Laptop:
- Boot from live-ISO
- Click on network icon in title bar and edit LAN-connection
- Change MTU from Auto to 1492
- Connect LAN cable
=> LAN network keeps connecting and disconnecting in an infinite loop
(No wireless network is configured.)
The error did not occur on Xubuntu 16.04. The same situation occurs with
Xubuntu installed on the SSD. I took the ISO for this bug report, in
order to exclude wrong settings on the installed system.
This is my first bug report - I hope I did not do too much wrong. If
necessary, I can provide more information.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: network-manager 1.8.4-1ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-21.24-generic 4.13.13
Uname: Linux 4.13.0-21-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CasperVersion: 1.387
CurrentDesktop: XFCE
Date: Fri Mar 9 20:26:21 2018
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
IpRoute:
default via 10.110.120.1 dev enp0s25 proto static metric 100
10.110.120.0/24 dev enp0s25 proto kernel scope link src 10.110.120.57 metric
100
169.254.0.0/16 dev enp0s25 scope link metric 1000
LiveMediaBuild: Xubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY
READONLY DBUS-PATH ACTIVE DEVICE STATE
ACTIVE-PATH SLAVE
Wired connection 1 db135360-f229-3472-bd3a-eb8d6bc8b601 802-3-ethernet
1520627169 Fr 09 Mär 2018 20:26:09 UTC yes 4294966297 no
/org/freedesktop/NetworkManager/Settings/1 yes enp0s25 activated
/org/freedesktop/NetworkManager/ActiveConnection/32 --
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
enp0s25 ethernet connected /org/freedesktop/NetworkManager/Devices/2
Wired connection 1 db135360-f229-3472-bd3a-eb8d6bc8b601
/org/freedesktop/NetworkManager/ActiveConnection/32
wlp3s0 wifi disconnected /org/freedesktop/NetworkManager/Devices/3 --
-- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1 --
-- --
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI
WWAN-HW WWAN
running 1.8.4 connected started full enabled enabled
enabled enabled enabled
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug artful xubuntu-exp
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1754759
Title:
LAN connection keeps connecting and disconnecting in an infinite loop
Status in network-manager package in Ubuntu:
New
Bug description:
With Xubuntu 17.10 the following problem occurs on a Lenovo X230 Laptop:
- Boot from live-ISO
- Click on network icon in title bar and edit LAN-connection
- Change MTU from Auto to 1492
- Connect LAN cable
=> LAN network keeps connecting and disconnecting in an infinite loop
(No wireless network is configured.)
The error did not occur on Xubuntu 16.04. The same situation occurs
with Xubuntu installed on the SSD. I took the ISO for this bug report,
in order to exclude wrong settings on the installed system.
This is my first bug report - I hope I did not do too much wrong. If
necessary, I can provide more information.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: network-manager 1.8.4-1ubuntu3
ProcVersionSignature: Ubuntu 4.13.0-21.24-generic 4.13.13
Uname: Linux 4.13.0-21-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
CasperVersion: 1.387
CurrentDesktop: XFCE
Date: Fri Mar 9 20:26:21 2018
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
IpRoute:
default via 10.110.120.1 dev enp0s25 proto static metric 100
10.110.120.0/24 dev enp0s25 proto kernel scope link src 10.110.120.57 metric
100
169.254.0.0/16 dev enp0s25 scope link metric 1000
LiveMediaBuild: Xubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY
READONLY DBUS-PATH ACTIVE DEVICE STATE
ACTIVE-PATH SLAVE
Wired connection 1 db135360-f229-3472-bd3a-eb8d6bc8b601 802-3-ethernet
1520627169 Fr 09 Mär 2018 20:26:09 UTC yes 4294966297 no
/org/freedesktop/NetworkManager/Settings/1 yes enp0s25 activated
/org/freedesktop/NetworkManager/ActiveConnection/32 --
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
enp0s25 ethernet connected /org/freedesktop/NetworkManager/Devices/2
Wired connection 1 db135360-f229-3472-bd3a-eb8d6bc8b601
/org/freedesktop/NetworkManager/ActiveConnection/32
wlp3s0 wifi disconnected /org/freedesktop/NetworkManager/Devices/3
-- -- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1
-- -- --
nmcli-nm:
RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW
WIFI WWAN-HW WWAN
running 1.8.4 connected started full enabled enabled
enabled enabled enabled
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https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1754759/+subscriptions
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