NM worked OK on wireless for about a week after installing a new version of Ubuntu, 10.10.1. After that, it has never worked again on wireless. After recent messages in this list I thought I'd try again. PLEASE note: I'm not a programmer or a network guru or a software debugger or a boot-message reader, I'm just trying to use NM on Ubuntu to get work done, but this issue SERIOUSLY interferes with work. I've been trying to resolve NM issues for over a month now, with several helpful responses but no fixes. Is this not the correct place to try to get help for NM issues? Please advise.

Attachment details my tries based on today's e-mails to this list. What's wrong with NM, or its setup, or its config, and how do the issues get resolved? Thanks!

--
Alan White
[email protected]

Timothy Murphy  wrote in response to James J Catchpole:

I'm no expert, but the 3 things I try when NM doesn't work
(not an infrequent occurrence):

1. Run "sudo iwlist scan".
If that sees something then the problem is certainly with the NM setup.

RESULT:
awh...@author:~$ sudo iwlist scan
[sudo] password for awhite: 
lo        Interface doesn't support scanning.

eth0      Interface doesn't support scanning.

wlan0     Interface doesn't support scanning : Network is down

wlan1     Interface doesn't support scanning : Network is down



2. Try the network service instead of NM;
        sudo service NetworkManager stop
        
RESULT:
awh...@author:~$ sudo service NetworkManager stop
NetworkManager: unrecognized service

So I thought I'd try this also:

awh...@author:~$ sudo service NetworkManager restart
NetworkManager: unrecognized service


        sudo service network restart

RESULT:
awh...@author:~$ sudo service network restart
network: unrecognized service


3. Check that the entry in /etc/sysconfig/network-scripts/ifcfg-wlan0
is reasonably accurate.

RESULT:
vi /etc/sysconfig/network-scripts/ifcfg-wlan0
"/etc/sysconfig/network-scripts/ifcfg-wlan0" [New DIRECTORY]


4. Check /var/log/messages (I pulled out a few but there are MANY messages)

RESULT:
Dec 26 21:56:14 author kernel: [   14.984775] ath5k 0000:07:00.0: PCI INT A -> 
Link[Z012] -> GSI 23 (level, low) -> IRQ 23
Dec 26 21:56:14 author kernel: [   14.984866] ath5k 0000:07:00.0: registered as 
'phy0'

Dec 26 21:56:14 author kernel: [   15.495926] ath5k phy0: Atheros AR2425 chip 
found (MAC: 0xe2, PHY: 0x70)
Dec 26 21:56:14 author kernel: [   15.519317] usbcore: registered new interface 
driver rt2500usb

Dec 26 21:56:14 author kernel: [   16.877108] usbcore: registered new interface 
driver rt73usb
Dec 26 21:56:14 author kernel: [   17.017750] eth0: no link during 
initialization.
Dec 26 21:56:14 author kernel: [   17.018424] ADDRCONF(NETDEV_UP): eth0: link 
is not ready
Dec 26 21:56:15 author kernel: [   17.611781] ppdev: user-space parallel port 
driver
Dec 26 21:56:19 author kernel: [   21.990031] CPUFREQ: Per core ondemand sysfs 
interface is deprecated - up_threshold
Dec 26 21:57:22 author kernel: [   84.991868] eth0: link up.
Dec 26 21:57:22 author kernel: [   84.992560] ADDRCONF(NETDEV_CHANGE): eth0: 
link becomes ready


ADDITIONALLY:
$ ifconfig wlan0 (nm-applet reports this as Atheros AR5001 Wireless Network 
Adapter, "device not ready")
wlan0     Link encap:Ethernet  HWaddr 00:24:2c:6e:54:a2  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

$ ifconfig wlan1 (nm-applet reports this as Ralink 802.11 bg WLAN, "device not 
ready")
wlan1     Link encap:Ethernet  HWaddr 00:0e:2e:86:80:68  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

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