Can you test the following two kernels and confirm 3.18.6 is good and 3.18.7 is bad? They can be downloaded from:
v3.18.6: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.6-vivid/
v3.18.7: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18.7-vivid/
Can you test the following two kernels and confirm 3.18.6 is good and 3.18.7 is bad? They can be downloaded from:
v3.18.6: http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.18.6- vivid/
v3.18.7: http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v3.18.7- vivid/