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[lhotari <lartsa@xxxxxxxxx>]

*** This bug is a duplicate of bug 276943 ***
    https://bugs.launchpad.net/bugs/276943

I had this problem on 9.04 Jaunty with Lenovo T500 (2082-8WG). The system was upgraded from Intrepid 8.10 and I had done some tweaks for suspend/resume earlier. For my setup the resume stalled and the moon-led did not go out. I happened to test resume/suspend from the 9.04 LiveCD (64bit) and resume/suspend worked as it should. I got the problem fixed by removing laptop-mode-tools and acpi-support with purge and reinstalling them after that. 
sudo apt-get remove --purge laptop-mode-tools acpi-support
I also removed all earlier tweaks from /etc/hal/fdi/information directory (l had lenovo.fdi there).
After rebooting the resume/suspend worked well. I use the integrated Intel graphics and I have glx/dri/compiz enabled in X. ATI graphics is much louder and the performance was quite bad in my setup (minimizing/maximizing windows was very slow). Now I'm happy with my Lenovo T500 Ubuntu 9.04 setup.

-- 
T500 Suspend to RAM is flaky
https://bugs.launchpad.net/bugs/272307
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