I can confirm that disabling power management temporarily fixes the problem for me as well (however I use wlan1, not wlan0).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/769504 Title: RT3090 Internal Wi-fi Stability/Connectivity Issue -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs