I got the same problem and already tried with installing the backports. This is really annoying. This is the part in DMESG where you can find the problem. I added the complete DMESG file.
[ 573.852451] wlan0 direct probe responded [ 573.852457] wlan0: authenticate with AP f61e96b8 [ 573.854725] wlan0: authenticated [ 573.854729] wlan0: associate with AP f61e96b8 [ 573.857495] wlan0: RX ReassocResp from f3446026 (capab=0x471 status=0 aid=1) [ 573.857500] wlan0: associated [ 633.859573] wlan0: beacon loss from AP f61e96b8 - sending probe request [ 713.836948] wlan0: beacon loss from AP f61e96b8 - sending probe request [ 813.885661] wlan0: beacon loss from AP f61e96b8 - sending probe request [ 933.902736] wlan0: beacon loss from AP f61e96b8 - sending probe request ** Attachment added: "dmesg" http://launchpadlibrarian.net/25509510/dmesg -- [Jaunty] Intel wireless 3945ABG is unstable and disconnects frequently https://bugs.launchpad.net/bugs/348204 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
