I have the exact same problem on a E6400 : sound worked in 8.10, broke after a 9.04 update, but works again when using the 2.6.28-11 kernel.
There seems to have been sound issues with E6x00 reported for 2.6.29 (http://lkml.org/lkml/2009/4/15/249), could this be linked ?
I have the exact same problem on a E6400 : sound worked in 8.10, broke after a 9.04 update, but works again when using the 2.6.28-11 kernel.
There seems to have been sound issues with E6x00 reported for 2.6.29 (http:// lkml.org/ lkml/2009/ 4/15/249), could this be linked ?