aka Suspend-to-disk.

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1answer
1k views

How to re-enable hibernate in Kubuntu 11.10?

After making some changes to my swap space, namely deleting and recreating swap space, my Kubuntu 11.10 has lost hibernate functionality. Although the button has returned, hibernating only appears to ...
4
votes
1answer
389 views

If I close the laptop lid the next boot fails

I never shutdown my laptop. I use hibernate instead. Hibernate and suspend are working, but if I close the lid after clicking "Hibernate" the next boot will crash. I see a black screen that never goes ...
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2answers
3k views

How to hibernate a RHEL6 machine?

I am using RHEL6 and I don't see a hibernate option for it. Doesn't RHEL6 have a hibernate option? I tried pm-hibernate from command line but it said: PM: Cannot find swap device, try swapon -a ...
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votes
7answers
3k views

Screen corruption after hibernate — Is there another way to refresh the X11 display?

When I restore from hibernate the screen is often corrupted. I suspect the graphics memory is not being saved. Suspend-to-ram works fine. It also looks like the font-cache is corrupted, as all ...
7
votes
2answers
236 views

Hibernate and security considerations

How do Linux and OSX handle sensitive memory pages (e.g. cryptographic keys) when running OS is suspended to disk? If the memory image written is encrypted, how are its keys handled?
3
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2answers
2k views

hibernate to disk not restoring, but suspend to ram is working

I have Debian 6, I have also seen this under Ubuntu (can not remember how I fixed it). I can hibernate, but when I switch on the system cold boots (it does not restore previous session). Note ...
10
votes
1answer
543 views

What happens to data in swap when your computer hibernates?

When a computer goes into hibernation mode, it saves the contents of the RAM into the swap space so that it can resume exactly where it left off when it powers back on. So, what if you are currently ...