This bug also affects resuming from suspend to RAM (STR3) state on
Lenovo N100 notebooks. There can be keyboard problems from some keys not
working (pressing all shift-like keys once should solve this) to totally
dead keyboard, when only a reboot helps.

After googling around the problem I found a possible solution at:

http://hpwiki.cactii.net/hpwiki/NC6400

"1. The keyboard might not resume. Solution: compile i8042 as module
(suspend2 then unloads it automatically since it is blacklisted). Hint:
It is required to have CONFIG_EMBEDDED=y, otherwise i8042 cannot be
compiled as module (it took me some time to find this out...)"

Compiling a kernel with the above settings may help.

- Anybody know a solution to reset the keyboard without reloading the
kernel module (that is not compiled as a modules in default Ubuntu
kernels)?

- IMHO there could be a specific kernel for notebook machines in Ubuntu
that always includes all notebook specific workarounds.

-- 
keyboard problem after resume from hibernation
https://bugs.launchpad.net/bugs/83243
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