Ubuntu
network-manager package

NM applet, cannot switch wired->wireless

Bug #110546 reported by Robert Polson
4
Affects Status Importance Assigned to Milestone
network-manager (Ubuntu)
Fix Released
Medium
Unassigned

Bug Description

I have the latest Ubuntu 7.04 with all the updates running on Asus G1 laptop.

Here is my problem:

Initialy wired network works fine when I turn on the laptop and the cable is plugged in. Wireless also works fine. However when I switch from wired to wireless network via tray icon of network manager, I cannot go back to wired network anymore, it is just grayed out.

If I just disable wireless network, it still does not connect back to wired. If I choose to disable and re enable the network it still can only work with wireless, wired does not work.

The laptop has Intel® PRO/Wireless 3945ABG Network Connection

Other comment:

"I have the same problem, anyone can help us ?
My wirelles conncetions works fine only to connect with wired cable i have to connect the cable before the boot.

I tried to disable the network manager , to manage the wired connections but i still with the same problem, ifup the interface can't get me a ip."

Initially started here http://ubuntuforums.org/showthread.php?p=2545917#post2545917

See original description
Revision history for this message
Stefan (666stefan) wrote :

I can confirm this behavior. I am having the same issue with my Lenovo T60. It has the same WLAN-Adapter.

Revision history for this message
Brian Murray (brian-murray) wrote :

Thanks for taking the time to report this bug and helping to make Ubuntu better. The output of 'lspci -vv', 'dmesg' and the full content of '/etc/network/interfaces' and '/var/log/daemon.log' will help us troubleshoot this issue. Thanks in advance.

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Stefan (666stefan) wrote :

dmesg

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Stefan (666stefan) wrote :

lspci

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Stefan (666stefan) wrote :

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface

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Robert Polson (robertpolson) wrote :

Here are mine:

.etc.network.interfaces

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Robert Polson (robertpolson) wrote :

.var.log.daemon.log

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Robert Polson (robertpolson) wrote :

dmesg

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Robert Polson (robertpolson) wrote :

lspci -vv

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Brian Murray (brian-murray) wrote :

Maybe related to wpa_supplicant as I have been unable to reproduce this issue without it.

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Robert Polson (robertpolson) wrote :

Although I am a noob, if I can be of any more help to track the problem, let us know.

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Robert Polson (robertpolson) wrote :

I don't know if there was some kind of update that I've installed recently but jut now I was able to switch from wireless back to wired network. I was on the wired today, then switched to wireless and unplugged the cable. Few hours later came back and plugged the cable back in. Tried to switch back to wired network and it worked.

Will post more results.

Revision history for this message
Robert Polson (robertpolson) wrote :

Here is another problem I had today:

For some reason wireless would not connect to my network. So before restarting I first tried to disable networking and then enable it. When I did this, the only thing that was available after I enabled networking back was wired network. There was no wireless at all.

Another bug ?

Revision history for this message
Robert Polson (robertpolson) wrote :

For some reason I get this error: During the day my wireless disconnected and could not connect back. To do so I have to restart Ubuntu completely. When I looked into properties of manual configuration, I saw that instead of wireless and wired network interfaces, there are now 2 wired network interfaces.

Here is a screenshot: http://img362.imageshack.us/img362/8307/networkproblemav3.jpg

Duncan Lithgow (duncan-lithgow)
description: updated
Revision history for this message
Alexander Sack (asac) wrote :

this has been fixed in gutsy ipw3945 module version 1.2.2mp.ubuntu1

Changed in network-manager:
status: Confirmed → Fix Released
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