The intermittent disconnection still happens with kernel 4.2.0-16-generic. It does not happen on 2.4 ghz network though.
The method suggested on http://ubuntuforums.org/showthread.php?t=2259037&p=13198699#post13198699 seems to be working for me. I'm quoting here: sudo iw reg set IN sudo sed -i 's/^REG.*=$/&IN/' /etc/default/crda -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1408963 Title: [Xbuntu 14.04, 14.10 and 15.04] Network manager stops working: iwl3945 0000:03:00.0: BSM uCode verification failed at addr ...; wlan0: deauthenticating from... by local choice (Reason: 3=DEAUTH_LEAVING), To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1408963/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
