I've upgraded from 12.10 to 13.04 with 3.8.0-23-generic and the backlight control stopped working. It works on 3.8.0-21-generic, but not on 3.8.0-22-generic.
I have a XPS L322X with BIOS Version A08
I've upgraded from 12.10 to 13.04 with 3.8.0-23-generic and the backlight control stopped working. It works on 3.8.0-21-generic, but not on 3.8.0-22-generic.
I have a XPS L322X with BIOS Version A08