On Fri, Mar 25, 2011 at 23:13, Arvid Brodin [off-list ref] wrote:

To reply to my own email, the problem probably has to do with the fact that the
kernel is built with optimization. Modifying KBUILD_CFLAGS in the Makefile to
specify -O1 made things a lot better (although you still cannot rely completely
on the line number reported). Unfortunately, the kernel won't build with -O0.

make sure frame pointer is included too

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com