Gutsy: closing laptop lid makes screen blink

[Galvanick Lucipher]

	Hi everybody,

	I installed Kubuntu Gutsy on my laptop, and everything has worked flawlessly 
except one thing: whenever I press the lid button, the screen doesn't blank 
immediately; instead, it stays on a few seconds and then starts blinking on 
and off at random times (but never more than 20-30 seconds aparts), and it 
looks as if X was being restarted. Sometimes, the screensaver also kicks in, 
even when I switch it off from the control panel.

	I have observed the problem even when booting from the live CD before 
installation. Removing the KDE screensavers does not solve the problem, nor 
restarting X. I have to reboot the computer to get it working normally. Is it 
possible that the problem is in the kernel's power management modules?

	Needless to say, the computer is unusable under these conditions, so I've 
been forced to go back to Feisty for the moment.

	My system is a HP 6120 laptop  with a 2.0 GHz Pentium-M, 512 MB RAM, running 
an unmodified Kubuntu Gutsy.

	I'd really like to solve this, because Gutsy works faster and better on my 
computer than Feisty, but at the moment it's simply not an option. Any ideas?

	Thank you in advance,

	- Urtzi -

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