i can confirm this issue on linux 3.19, the fix i found for 3.16 is not working 
(it freezes the system), at least on a live session
i have a G50-30 system, the latest bios as of yesterday
i also noticed very poor performance when it is working

this is the script i used on ubuntu 12.04.2 w/ 3.16 (live session)
it causes a lockup on yesterdays daily live of xubuntu (linux 3.19)

#!/bin/sh
# http://ubuntuforums.org/showthread.php?t=2244018
# https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320070
echo "options rtl8723be fwlps=N ips=N" | sudo tee /etc/modprobe.d/rtl8723be.conf
echo "BLUETOOTH_ENABLED=0" | sudo tee /etc/default/bluetooth
sudo service bluetooth stop
sudo rmmod ideapad-laptop
sudo rmmod rtl8723be
sudo modprobe rtl8723be

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https://bugs.launchpad.net/bugs/1442908

Title:
  Realtek RTL8723BE wireless card drops connection in Linux kernel
  3.19.0-13

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