Can you also see if this bug happens with the latest upstream stable 4.4 kernel? It is available from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.85/
Can you also see if this bug happens with the latest upstream stable 4.4 kernel? It is available from:
http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v4.4.85/