other solution:
if we compare difference between generic and i386 kernel, we can see that package modules for kernel 2.22.14 is not installed. but installed with generic kernel who it works well...
so i installed linux-ubuntu-modules-2.6.22-14-386 and sound is back with default gutsy kernel!!
other solution: modules- 2.6.22- 14-386 and sound is back with default gutsy kernel!!
if we compare difference between generic and i386 kernel, we can see that package modules for kernel 2.22.14 is not installed. but installed with generic kernel who it works well...
so i installed linux-ubuntu-
hope that help.