Comment 5 for bug 410829

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Scott Howard (showard314) wrote : Re: Pressing Suspend key turns off display instead of suspending

Thanks for testing it and confirming that your bug isn't a duplicate. To debug hotkeys, see and follow the inatructions at:
https://wiki.ubuntu.com/Hotkeys/Troubleshooting
to make sure that ubuntu recognizes (Fn-F1) as suspend and not "blank screen"

Also, see
https://wiki.ubuntu.com/DebuggingGNOMEPowerManager
specifically the section:
Getting info from GPM
to get verbose output as to what GPM is doing.

We have to find if the problem is with the linux kernel misidentifying the suspend key as blank screen, or if the problem is in GPM sending a blank screen signal instead of a suspend signal. Could you debug it and report here with the output of the tests?

As for the other problem, I think you should make another report. I remember seeing someone describe something similar (screen isn't locked on resume), but I haven't found the report yet, so it would be good to have yours and we can combine them later when working on them.