A possible workaround is to install wicd and wicd-kde, which seems to work better. You need to stop the network-manager before using wicd-kde.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1468139 Title: Ubuntu 15.04 drops WLAN/WIFI after running for 5 minutes. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1468139/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs