Comment 35 for bug 198476

FIXED - sort of.

I just upgraded BIOS and kernel, and was still having trouble. I discovered the following restores FN-Home/End functionality as long as it's run _after_ X starts... No dice if I put it in /etc/rc.local, and I can't change permission of a /proc file to let .xinitrc do it:

# Happy times are here until reboot!
sudo /etc/init.d/acpid restart

It looks like this has been around a while:
http://friend-of-misery.blogspot.com/2007/07/me-and-thinkpad-r61.html

self() <- {
  uname -a = Linux ravel 2.6.24-14-generic #1 SMP Thu Apr 3 04:49:29 UTC 2008 i686 GNU/Linux
  bios = 7LETB0WW (2.10-1.08)
  model = T61, Intel graphics, 14" WXGA+
  dist = Hardy, freshly updated
  wm = openbox+nautilus
}