Public bug reported:
Hi,
I use Ubuntu 15.10.
If I Start Ubuntu from power-off, then I can enter the PIN-code for the
SIM-card, and I also get prompted for my password (to make changes to the
mobile broadband device). The 4G-USB-modem gets green light for establishing an
4G (or 3G) connection, but it is impossible to connect to the 4G-internet from
the drop down menu of network manager at this stage; I get an error message. (I
have set up this 4G-internet-connention with help from the network-manager
wizard, using defaults, except turning off roaming and setting allow all users
to connect.)
However, if I choose to reboot without power-off, the green light on the
USB-modem stays on during the reboot (keeps 4G-connected I presume), then it is
possible to connect to internet from the drop down menu, most of the time. One
time I also had to deactivate-activate mobile broadband from the drop down menu
for internet connection to be established.
It is also not possible to edit the connections of the mobile broadband
in the network manager applet (gets an error message). Editing the wifi-
connection works just fine.
Regards
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: network-manager 1.0.4-0ubuntu5.1
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Nov 29 07:44:12 2015
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
IpRoute:
default via 95.192.135.45 dev wwx0eb79c89dc58 proto static metric 750
95.192.135.44/30 dev wwx0eb79c89dc58 proto kernel scope link src
95.192.135.46 metric 750
169.254.0.0/16 dev wwx0eb79c89dc58 scope link metric 1000
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
LANGUAGE=sv
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=sv_SE.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
cdc-wdm1 gsm connected /org/freedesktop/NetworkManager/Devices/3
Telia Telia 4G d851a986-be40-488b-9f96-36d2c9387b57
/org/freedesktop/NetworkManager/ActiveConnection/5
wlp3s0 wifi disconnected /org/freedesktop/NetworkManager/Devices/2
-- -- --
enp4s0 ethernet unavailable /org/freedesktop/NetworkManager/Devices/1
-- -- --
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/0
-- -- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2:
Error: Object 'nm' is unknown, try 'nmcli help'.
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug wily
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https://bugs.launchpad.net/bugs/1520887
Title:
Workaround Ubuntu 15.10. Network manager applet cannot stabely
activate mobile broadband. ZTE MF820D.
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