On 27/06/16 14:33, deloptes wrote:
Michele Calgaro wrote:

> On 2016/06/27 07:07 PM, Uwe Brauer wrote:
>> 
>>    > On 2016/06/25 05:18 PM, Uwe Brauer wrote:
>> 
>>    > Just for the record, since it may be related, I just complete the
>>    > move of my Linux machine from a real PC to a VM under VirtualBox. I
>>    > noticed after the move that Hibernate and Suspend are no longer
>>    > available, while Freeze is. Suspend and Hibernation depends on
>>    > actual support for it. At the moment I do not have the time to dig
>>    > into it, but will have to do it when time allows since I want those
>>    > options back.
>> 
>> Thanks, I can run
>> 
>>  sudo pm-hibernate
>> 
>>>From the command line and it work, what does not work is any graphical
>> support in Kpowersave or trinitypowersave.
>> 
>> Uwe
>> 
>> 
> Yes, understood.
> What I was intrinsically saying is that there is support but for some
> reasons the buttons are not shown. As soon as I can spend time on it I
> will come back with more info. Cheers
>   Michele

Isn't this upower dbus interface. you could query this on dbus - I just
forgot what was the path.

I would say you lack privileges to access dbus - which is working if you use
sudo.

regards

finally I solved this issue following the instructions found in

http://ubuntuhandbook.org/index.php/2014/04/enable-hibernate-ubuntu-14-04/



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