http:/git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_ca0132.c?id=01ef7dbffb411d9d78d1150b268d9c757f9f2f93
part of DSP code was added in 2012-11-28
but 3.8-RC1 was 2012-12-22
so you have to ask Ubuntu audio team to check whether k3.8.0-27-generic contain part of the DSP code
http:/git. kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ commit/ sound/pci/ hda/patch_ ca0132. c?id=01ef7dbffb 411d9d78d1150b2 68d9c757f9f2f93
part of DSP code was added in 2012-11-28
but 3.8-RC1 was 2012-12-22
so you have to ask Ubuntu audio team to check whether k3.8.0-27-generic contain part of the DSP code