I did a complete reinstall of Ubuntu 8.04 (I'm not ready for beta
kernels yet...).

With the standard graphics driver, display sleep works fine. Except to
one small glitch: moving the mouse only wakes up the backlight display
first, still black screen. then when I move the mouse further, the
desktop comes back normally. Waking up with a key works without that
glitch.

With the accelerated nvidia driver installed by envy, the display didn't
wake up until I closed the lid and opened it once.

Note that I have to use a custom edid.bin, as the one with all Geforce4
420 Gos is faulty. (without it, the full resolution can't be displayed
and there's a black stripe at the right of the screen. the display
wouldn't go to sleep without it, too)

I've also created the files before I installed the accelerated driver,
if you need that later. Here's the ones with the nvidia driver, right
after moving the mouse and then closing and opening the lid.

** Attachment added: "version.log"
   http://launchpadlibrarian.net/17996290/version.log

-- 
geforce 420 go - sleeping display won't wake up
https://bugs.launchpad.net/bugs/272818
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