I fixed the problem, however the credits are not due to me.  Although my
pc is not a laptop the problem is the same. It is as a result of
corruption see:
[http://us.download.nvidia.com/XFree86/Linux-x86/1.0-9755/README/appendix-q.htm]l

 Instructions  From:
[https://help.ubuntu.com/community/NvidiaLaptopBinaryDriverSuspend ]

This must be added in xorg.conf:

Section "Device"
        ...
        Option          "NvAGP"       "1"
EndSection


References:

1. 
https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules-2.6.20/+bug/92835
2. https://bugs.launchpad.net/ubuntu/+source/acpi-support/+bug/34043
3. https://help.ubuntu.com/community/NvidiaLaptopBinaryDriverSuspend
4. 
http://us.download.nvidia.com/XFree86/Linux-x86/1.0-9755/README/appendix-q.html


Details on the problem from Nvidia:
"sometimes chipsets lose their AGP configuration during suspend, and may cause 
corruption on the bus upon resume. The AGP driver is required to save and 
restore relevant register state on such systems; NVIDIA's NvAGP is notified of 
power management events and ensures its configuration is kept intact across 
suspend/resume cycles."



** Changed in: nvidia-graphics-drivers-173 (Ubuntu)
       Status: New => Confirmed

-- 
Hibernate not resuming on PC-Chips M811LU
https://bugs.launchpad.net/bugs/255601
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