I have the same wifi dongle, on Karmic, here's a quick workaround : sudo iwconfig wlan0 rate 54M sudo /etc/init.d/networking restart
if this works out, you can force this settings in /etc/network/interfaces : iface wlan0 inet dhcp wireless-key (...) wireless-essid (...) wireless-rate 54M -- Problems with ZyDAS wi-fi dongle https://bugs.launchpad.net/bugs/478478 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs