Probably same issue:
Updated to Hardy Heron from Gutsy. My wireless Ralink RT73 driver did
not work automatically, so I again followed the HOWTO: RT73 etc. thread
(http://ubuntuforums.org/showthread.php?t=400236&page=1). At step 13 the
driver is compiled and the hardware is recognized, but fails to come up
in step 14 (see below). Note that eth0 works and that the ... denote
parts I considered not relevant for this issue.
Let me know if further input is useful.
[EMAIL PROTECTED]:~$ ifconfig -a
...
wlan0 Link encap:Ethernet HWaddr 00:00:00:00:00:00
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
[EMAIL PROTECTED]:~$ sudo ifconfig wlan0 up
SIOCSIFFLAGS: Invalid argument
[EMAIL PROTECTED]:~$ cat /var/log/syslog
......
May 2 02:03:49 kinderPC dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255
port 67 interval 5
May 2 02:03:49 kinderPC dhclient: send_packet: Network is down
May 2 02:03:54 kinderPC dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255
port 67 interval 7
May 2 02:03:54 kinderPC dhclient: send_packet: Network is down
May 2 02:04:01 kinderPC dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255
port 67 interval 14
May 2 02:04:01 kinderPC dhclient: send_packet: Network is down
May 2 02:04:15 kinderPC dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255
port 67 interval 5
May 2 02:04:15 kinderPC dhclient: send_packet: Network is down
May 2 02:04:20 kinderPC dhclient: No DHCPOFFERS received.
May 2 02:04:20 kinderPC dhclient: No working leases in persistent database -
sleeping.
May 2 02:04:20 kinderPC avahi-autoipd(wlan0)[20914]: SIOCSIFFLAGS failed:
Invalid argument
--
No network connection possible after Hardy installation or upgrade
https://bugs.launchpad.net/bugs/191745
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