What brand of laptop is this on? I strongly believe this is more likely
to be an issue with the wired driver atl1c than with NetworkManager, I'd
like to test this in lab.
What ought to be verified is to disable network-manager from starting on
boot in this case, and see if the wired device is usable. If not, see if
doing an rmmod of the atl1c driver, followed by a modprobe of it will
put the device back into a working state. If that's the case, then this
is an issue at the kernel level with the order the modules are loaded.
** Changed in: network-manager (Ubuntu)
Status: New => Incomplete
** Changed in: network-manager (Ubuntu)
Importance: Undecided => Medium
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Packages, which is subscribed to network-manager in Ubuntu.
https://bugs.launchpad.net/bugs/966238
Title:
Link not detected when cable is connected
Status in “network-manager” package in Ubuntu:
Incomplete
Bug description:
Precise Desktop 20120327.1
TEST CASE:
1. Install Precise, and power the system off
2. unplug the cable
3. Boot and login
4. Plug the cable
EXPECTED RESULT
Cable is detected and link comes up
ACTUAL RESULT
Cable is not detected. Disable/Enable networking works around this issue
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager 0.9.3.995+git201203152001.04b2a74-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-20.32-generic-pae 3.2.12
Uname: Linux 3.2.0-20-generic-pae i686
ApportVersion: 1.95-0ubuntu1
Architecture: i386
Date: Tue Mar 27 15:52:55 2012
IfupdownConfig:
auto lo
iface lo inet loopback
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386
(20120327.1)
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
ProcEnviron:
TERM=xterm
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
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