Sorry to report that I have the same issue after installing linux-image-3.16.0-55-generic_3.16.0-55.74~14.04.1_amd64.deb and linux-image-extra-3.16.0-55-generic_3.16.0-55.74~14.04.1_amd64.deb from http://kernel.ubuntu.com/~jsalisbury/lp1454892/lts-backport-utopic/
Sorry to report that I have the same issue after installing linux-image- 3.16.0- 55-generic_ 3.16.0- 55.74~14. 04.1_amd64. deb and linux-image- extra-3. 16.0-55- generic_ 3.16.0- 55.74~14. 04.1_amd64. deb from http:// kernel. ubuntu. com/~jsalisbury /lp1454892/ lts-backport- utopic/