I have this problem with 13.04 beta 2 using both 3.8.0-18-generic and linux-image-3.9.0-030900rc6-generic_3.9.0-030900rc6.201304080035_amd64
I have this problem with 13.04 beta 2 using both 3.8.0-18-generic and linux-image- 3.9.0-030900rc6 -generic_ 3.9.0-030900rc6 .201304080035_ amd64