ERROR: ctfconvert: aaa_bbb.o doesn't have type data to convert

[Mark Johnston]

On Wed, Nov 05, 2014 at 11:03:46AM -0800, Chris H wrote:
> Greetings,
>  I'm building/installing world/kernel on a fresh 11-CURRENT.
> As I write this, the kernel is building, and emitting 100's
> of lines with the following:
> ERROR: ctfconvert: aaa_bbb.o doesn't have type data to convert
> where aaa_bbb is the driver file being created.
> Should I be concerned? What would cause this?

For posterity, we determined off-list that this was due to removing
DEBUG=-g from the kernel config. In this case the ctf tools have no
debug symbols to work with, hence the errors.