I have the same problem after upgrading from Feisty to Gutsy but using WEP.
Network controller: RaLink RT2561/RT61 802.11g PCI dmesg: [ 7127.812000] wlan0: Initial auth_alg=0 [ 7127.812000] wlan0: authenticate with AP 00:x:x:x:x:x [ 7127.816000] wlan0: RX authentication from 00:x:x:x:x:x (alg=0 transaction=2 status=0) [ 7127.816000] wlan0: authenticated [ 7127.816000] wlan0: associate with AP 00:x:x:x:x:x [ 7127.816000] wlan0: RX AssocResp from 00:x:x:x:x:x (capab=0x451 status=0 aid=1) [ 7127.816000] wlan0: associated [ 7127.820000] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 7127.884000] wlan0: duplicate address detected! lsmod|grep rt: rt61pci 24576 0 rt2x00pci 11520 1 rt61pci rt2x00lib 19712 2 rt61pci,rt2x00pci rfkill 8208 1 rt2x00lib mac80211 171016 4 rc80211_simple,rt61pci,rt2x00pci,rt2x00lib input_polldev 5896 1 rt2x00lib crc_itu_t 3072 1 rt2x00lib eeprom_93cx6 3200 1 rt61pci -- [gutsy] rt61 wireless stops working after several minutes https://bugs.launchpad.net/bugs/139832 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
