have the same problem with Realtek RTL 8187 USB2.0 (Integrated) device ID: 0bda:8187 furthermore, network manager applet "manual configuration" works real slow - does not respond for a minute - after each click, after the card fails.
here is info from messages.log (same in dmesg) Oct 23 14:57:15 guest dhcdbd: message_handler: message handler not found under /com/redhat/dhcp/wlan0 for sub-path wlan0.dbus.get.reason Oct 23 14:57:20 guest kernel: [ 69.324000] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Oct 23 14:58:41 guest kernel: [ 150.540000] ADDRCONF(NETDEV_UP): wlan0: link is not ready Oct 23 14:59:01 guest kernel: [ 171.268000] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Oct 23 15:00:02 guest kernel: [ 231.392000] ADDRCONF(NETDEV_UP): wlan0: link is not ready Oct 23 15:00:12 guest kernel: [ 241.620000] ADDRCONF(NETDEV_UP): wlan0: link is not ready -- wireless stops working until reboot https://bugs.launchpad.net/bugs/132042 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