Public bug reported:
Using Karmic alpha 4 amd64 up to date as of this writing (linux-
image-2.6.31-9-generic version 2.6.31-9.29)
I'm using an USB Wifi with a Ralink RT2870 chip, lsusb reports :
Bus 001 Device 003: ID 083a:7522 Accton Technology Corp. 802.11N Wireless
Adapter
It connects successfully to wireless networks and I've seen no
particular issue with WPA authentification. But the network is then
extremely unreliable : most of the time it fails to connect to hosts.
What is weird is that it sometimes fails for a host it managed to reach
seconds before, for example when using update-manager, it will
successfully download the first packages but suddenly get stuck
connecting to the same host.
The behaviour is reproduced randomly with any host in every software
(apt-get, firefox, pidgin, ...) but doesn't seem to affect local network
hosts. I tried to connect using IP adresses instead of host names but
the problem is the same. When successfully connected to a host, download
speed seems normal, though.
Installing linux-backports-modules solves the issue. The same device
works very well in other operating systems.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
Using Karmic alpha 4 amd64 up to date as of this writing (linux-
image-2.6.31-9-generic version 2.6.31-9.29)
I'm using an USB Wifi with a Ralink RT2870 chip, lsusb reports :
Bus 001 Device 003: ID 083a:7522 Accton Technology Corp. 802.11N Wireless
Adapter
It connects successfully to wireless networks and I've seen no
particular issue with WPA authentification. But the network is then
extremely unreliable : most of the time it fails to connect to hosts.
What is weird is that it sometimes fails for a host it managed to reach
seconds before, for example when using update-manager, it will
successfully download the first packages but suddenly get stuck
connecting to the same host.
The behaviour is reproduced randomly with any host in every software
(apt-get, firefox, pidgin, ...) but doesn't seem to affect local network
hosts. I tried to connect using IP adresses instead of host names but
the problem is the same. When successfully connected to a host, download
speed seems normal, though.
- Installing linux-backports-modules solves the issue.
+ Installing linux-backports-modules solves the issue. The same device
+ works very well in other operating systems.
--
Wireless network unreliable with rt2870sta
https://bugs.launchpad.net/bugs/423010
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