This might be related to what is described here https://help.ubuntu.com/community/WifiDocs/WirelessTroubleShootingGuide #head-9d63dc6c8dff21b2df12df05f73eac9fff29ba65 under "Dropped Connections".
Without any more information, we will not be able to further troubleshoot the problem. Could you please provide more specific information (i.e. log of connection up and down from /var/log/messages, or other logs that give information), or we will have to close this report. Thanks. -- wireless connection crash sometimes with Ubuntu gutsy beta. Hardware D-link gwl g-122 usb rev. C https://bugs.launchpad.net/bugs/148445 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