Most of the times it works and connects properly but periodically it fails to connect and as @Clive said in #181 the machine freezes periodically. Also at times the NetworkManager goes unresponsive and the only way to get back is to restart using the power button on the machine.
I exactly face the same problem as @Clive Cox in #181. Following is what I am using
Machine: Lenovo L440 linux_mac80211_ 0019.0320. 2014V62
OS: Ubuntu 14.04 LTS
OS type: 64bit
Kernel Version: 3.13.0-35-generic
Drivers: rtlwifi_
Most of the times it works and connects properly but periodically it fails to connect and as @Clive said in #181 the machine freezes periodically. Also at times the NetworkManager goes unresponsive and the only way to get back is to restart using the power button on the machine.