Well the bug is a bit better with Hardy Alpha 5 in that it gets the
correct resolution on startup.  However when I manually changed the
brightness of the screen (the brightness function + F6,F7 keys,
unplugging AC power, or letting the computer go idle dont actually
change the brightness of the LCD) I see the same resolution change bug.

To change the brightness I did:
echo 40 | sudo dd of=/proc/acpi/video/VGA/LCD/brightness

It almost seems that the reason this bug isnt shown on startup is
because brightness can no longer be changed.  Hope that helps, let me
know if you need any more information.

-- 
Change Toshiba Portege R100 screen brightness corrupts X resolution
https://bugs.launchpad.net/bugs/104745
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