maverick has seen the end of its life and is no longer receiving any
updates. Marking the maverick task for this ticket as "Won't Fix".
** Changed in: linux-firmware (Ubuntu Maverick)
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/762987
Title:
RT2870 WLAN Stick (D-Link DWA 140) not working. firmware does not
support detected chipset
Status in linux-backports-modules-2.6.24 package in Ubuntu:
Invalid
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-backports-modules-2.6.24 source package in Lucid:
Invalid
Status in linux-firmware source package in Lucid:
Confirmed
Status in linux-backports-modules-2.6.24 source package in Maverick:
Invalid
Status in linux-firmware source package in Maverick:
Won't Fix
Status in linux-backports-modules-2.6.24 source package in Natty:
Invalid
Status in linux-firmware source package in Natty:
Fix Released
Status in linux-backports-modules-2.6.24 source package in Hardy:
Invalid
Status in linux-firmware source package in Hardy:
Invalid
Bug description:
I'm using a D-Link DWA 140 USB WLAN stick which worked fine under
Maverick. On Natty the NetworkManager displays "firmware missing",
connecting to an access point is not possible. This is not only
occuring under Natty, it also doesn't work with Maverick if you
install the 2.6.38 mainline kernel.
There is a workaround for this problem. A quick "lsmod | grep rt"
shows the following:
parport_pc 36959 0
parport 46458 3 parport_pc,ppdev,lp
rt2870sta 450556 0
rt2800usb 18235 0
rt2800lib 45181 1 rt2800usb
crc_ccitt 12667 2 rt2870sta,rt2800lib
rt2x00usb 20330 1 rt2800usb
rt2x00lib 49235 3 rt2800usb,rt2800lib,rt2x00usb
mac80211 294370 3 rt2800lib,rt2x00usb,rt2x00lib
cfg80211 178528 2 rt2x00lib,mac80211
rt2870sta is the right module which is also loaded in Maverick/2.6.35
and which is needed for the stick to work. rt2800usb, rt2800lib,
rt2x00usb and rt2x00lib are wrong modules which are causing the
problem. So we have to unload all the ralink-related modules:
sudo modprobe -rf rt2870sta rt2800usb rt2800lib rt2x00usb rt2x00lib
Then we can load the right module:
sudo modprobe rt2870sta
Now it should be possible to connect to an access point with the
NetworkManager. To make this change permanent, we have to blacklist
all the wrong modules in the /etc/modprobe.d/blacklist.conf file.
It would be awesome if the developers fix this until natty release so
it'll be working out-of-the-box. :-)
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