Eu tive o mesmo problema. Eu consertei atualizando para o kernel 4.5
64Bit
wget "http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc1-wily/linux-headers-4.5.0-040500rc1_4.5.0-040500rc1.201601241731_all.deb"
wget "http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc1-wily/linux-headers-4.5.0-040500rc1-generic_4.5.0-040500rc1.201601241731_amd64.deb"
wget "http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc1-wily/linux-image-4.5.0-040500rc1-generic_4.5.0-040500rc1.201601241731_amd64.deb"
sudo dpkg -i *.deb
32Bit
wget "http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc1-wily/linux-headers-4.5.0-040500rc1_4.5.0-040500rc1.201601241731_all.deb"
wget "http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc1-wily/linux-headers-4.5.0-040500rc1-generic_4.5.0-040500rc1.201601241731_i386.deb"
wget "http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc1-wily/linux-image-4.5.0-040500rc1-generic_4.5.0-040500rc1.201601241731_i386.deb"
sudo dpkg -i *.deb
Aqui está o kernel 4.6
64Bit:
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/linux-headers-4.6.0-040600-generic_4.6.0-040600.201606100558_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/linux-image-4.6.0-040600-generic_4.6.0-040600.201606100558_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/linux-headers-4.6.0-040600_4.6.0-040600.201606100558_all.deb
sudo dpkg -i *.deb
32Bit :
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/linux-headers-4.6.0-040600_4.6.0-040600.201605151930_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/linux-headers-4.6.0-040600-generic_4.6.0-040600.201605151930_i386.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-yakkety/linux-image-4.6.0-040600-generic_4.6.0-040600.201605151930_i386.deb
sudo dpkg -i *.deb