According to my current testing, the last good version is http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0.3-wily/ and the first bad one is http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0.4-wily/ .
According to my current testing, the last good version is http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v4.0.3- wily/ and the first bad one is http:// kernel. ubuntu. com/~kernel- ppa/mainline/ v4.0.4- wily/ .