On Wed, 2009-09-23 at 14:52 +0900, Tejun Heo wrote:
> Can you please do l on the above rip - ffffffff81598250?

I was unable to:
(gdb) l *ffffffff81598250
No symbol "ffffffff81598250" in current context.

Here is my vmlinux, LZMA-packed (~15MB download):
http://www.vroon.org/vmlinux.lzma

Hopefully this will allow you to find out the information requested.

Regards,
Tony V.