Nikos - you'll need to rebuild alsa-driver from source again since the kernel version has now changed when you upgraded it and the modules which you built previously are for the old version (2.6.28-11-generic)
Nikos - you'll need to rebuild alsa-driver from source again since the kernel version has now changed when you upgraded it and the modules which you built previously are for the old version (2.6.28-11-generic)