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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