Can you test the latest 3.19 mainline kernel to see if this bug was already fixed? It can be downloaded from:;
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/
Can you test the latest 3.19 mainline kernel to see if this bug was already fixed? It can be downloaded from:;
http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.19-rc3- vivid/