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bbfa235
(Get the code!)
I have tried to reproduce the problem on 9.10 64 bit version Alpha 2.
With the BIOS setting "ACPI Standby State" set to "S1(POS)" the suspend button now appears correctly. However when clicked, the screen fades to black, then abruptly changes back to the working desktop. Suspend fails. This fading and coming back takes approximately 3 seconds. I could not find any significant information in the log files, however I did not know what to look for or where I was looking.
With regards to the behaviour with the BIOS setting "ACPI Standby State" being set to "S3(STR)" or "Auto", both have the same behaviour. That is, the screen fades to black and suspends, what looks to be correctly. However, does not resume. My current install (8.10 64 bit version) allows me to resume from keyboard, the live CD did not. When pressing the power button on my case to initiate the resume, the screen lit to a black, the CD spun up and looked like it was being accessed via a blinking led on the CD drive. This blinking lasted about 10 seconds then the led on the cd drive did not blink any more. I wait about 2 minutes, no change - just a blank screen. Alt-ctr-del just made the system beep. Sys-req allowed me to restart.
I have a Nvidia graphic (Geforce 6600GT) card which needs proprietary drivers to work correctly, and awireless card with a broadcom chipset that needs firmware downloaded via jockey. This may have caused some trouble with the suspend/resume as the live cd can not be used to install these properitory pieces of software (or I don't know how to do this).
Also the hibernate button has disappeared. I assume this is because I was using the live CD.
I am unable to install a development version at the moment. I could free up a hard disk somewhere, but this will take me a lot of time, which I simply don't have at the moment. I will be able to try a real install of Alpha 3 I guess.
Restart also failed(when tried with "S1(POS)" - I used a forced restart with the other settings), but I guess this is another story and a new bug report to file.