Trouble with wireless connection after update

[NoOp]

On 04/04/2008 06:52 PM, NoOp wrote:
> On 04/03/2008 07:37 AM, Richard W Harper wrote:
>> I installed Ubuntu 8.04 beta, which seems to work fine. My wireless 
>> ethernet and my printer installed without a problem. The problem
>> arose when I installed the 313 updates. I think a kernel update (now
>> 2.6.24-12; I think that is not what was installed with the original
>> distribution); and updated to DCHP. My wireless ethernet card is now
>> nonfunctional. The card is an Airlink 101 using the ralink 
>> RT2561/RT61 chipset. Data: lshw: shows the rt61 as wmaster0 (which I
>> think it should since the Ubuntu uses mac80211 (linux wireless
>> standard). The actual drivers (rt61 and rt2x00 - pci) are loaded and
>> virtual interfaces created, such as wlan0 in my case. iwconfig: shows
>> the interfaces wmaster0 and wlan0 as it should (did when it was 
>> working). ifconfig: returns three interfaces wmaster0-00 (not just
>> wmaster0 - I think this is why ifup and dhclient cannot find the
>> right interfaces); wlan0; and wlan0:avahi (which was not there at all
>> when the connection was working). iwlist: iwlist wlan0 scan - shows
>> the router as it should. dhclient: dhclient wlan0 - says: wmaster0
>> unknown hardware address type 801. SO: It looks as though things
>> became confused when the kernel update (and
>> 
>> built-in driver update) occurred. Question: What to do? Is there a
>> way to completely unload the drivers and have them all reload 
>> correctly? Is there erroneous configuration information being saved 
>> somewhere? Help appreciated. I continue to do research on the
>> problem. Anyone else had it and solved it?
>> 
>> rwharper at alum.mit.edu
>> 
> 
> Do you have an alternate means on that machine to connect to the
> internet to obtain further updates? Reason for asking is that I use an
> Airlink 101 USB-Ethernet adapter (hardwired) and found that it was not
> working with
> 2.6.24-12 - see:
> https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/183124
> 
> Following the updates (2.6.24-14) & using NM to bring the adaptor back
> in, all works again.
> 
> 

You might also find this bug report of interest:

<https://bugs.launchpad.net/ubuntu/hardy/+source/linux-ubuntu-modules-2.6.24/+bug/134660>
[Ralink rt2400 / rt2500 / rt2570 / rt61 / rt73 do not work out of the
box in Gutsy/Hardy]