Public bug reported:
I am trying to use a USB modem (dongle) Samsung SGH-Z810. (It is a GSM
device serving to connect to a 3G mobile broadband network in my case).
How can I reproduce the bug:
1.) I start the computer (a HP ZBook 15 notebook).
2.) Once the system (64-bit ubuntu) is running and I am logged in I wait
for say 10 seconds and then insert the modem into a USB port. Nothing
happens. NetworkManager does not list this networking option even after
another period of waiting.
3.) I unplug the modem and after a while I insert it again. FInally I
can see the networking option listed in the NetworkManager menu and I
can connect.
Even this has to be done manually although I asked for automatic
connection in the NetworkManager settings.
Other way to start the computer is to do it with the modem inserted in a
USB port. If I do it the problem is the same: I have to unplug the
dongle and reinsert it before I can start networking.
The computer seemingly randomly chooses to display or not to display the
device folder in a File Manager item.
I experience similar issues also with a different USB modem: HUAWEI
E3251. The difference is that this one at least connects automatically.
It is formally seen as an ethernet device though.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: modemmanager 1.0.0-2
ProcVersionSignature: Ubuntu 3.13.0-8.28-generic 3.13.2
Uname: Linux 3.13.0-8-generic x86_64
ApportVersion: 2.13.2-0ubuntu4
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Feb 17 06:58:31 2014
InstallationDate: Installed on 2014-01-31 (16 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140130)
SourcePackage: modemmanager
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: modemmanager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1280966
Title:
Samsung SGH-Z810 dongle does not work after the first insertion
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