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How to modify policykit to allow hibernation in upower?

I just installed the new 12.04 beta on my Lenovo Ideapad U450. According to this thread Whither hybrid suspend? hibernate and suspend are supported, but in the power settings the option to hibernate is greyed out e.g. for what to do when closing the lid. How can I enable it?

My goal is, that if suspend to both is not supported a behaviour something like, suspend to ram and when battery is low, suspend to disk. Is this possible?

/Kind regards Christian

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Christian
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  • Typically speaking, questions about Ubuntu+1 are off-topic on this site. Especially regarding features that are not working. Instead, the question linked above provides ways to get help with Ubuntu+1 as 12.04 has not been released yet. This is covered in the FAQ under the bullet point "This is not the right place for": Issues with the next version of Ubuntu (Ubuntu+1). If you wish to discuss the merit of this question further, please visit our meta – Marco Ceppi Mar 03 '12 at 13:08
  • Nominate to reopen: This question is not about a bug, but a decision that will be present in 12.04. Hibernate will be (is) disabled by default on all non-certified hardware. It's likely going to be a popular problem with 12.04 and answering it before launch would be helpful for lots of users. – Javier Rivera Mar 13 '12 at 15:42
  • Source bug report: https://bugs.launchpad.net/ubuntu/+source/policykit-desktop-privileges/+bug/812394 – Javier Rivera Mar 13 '12 at 15:43
  • Forget it, it's already here: http://askubuntu.com/questions/94754/how-to-modify-policykit-to-allow-hibernation-in-upower – Javier Rivera Mar 13 '12 at 15:44

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