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Another possibility -- corrupted kernel upon install/upgrade. It may sound stupid, but I just experienced a similar case with the Power Management features when I did the network upgrade from F19 x64 KDE to F20 x64 KDE on my Dell D531. The kernel version embedded is 3.11.8-301. But, for some reason, it seems like part of it is corrupted or damaged somehow because hibernation doesn't work correctly. Whether it's from the menu, sudo pm-hibernate, or sudo systemctl hibernate, it would go down properly; however, when you power it on, the session's lost and it acts like it was a restart or fresh boot. [There was also a problem with several RPMs installed in it to where I couldn't install new programs because most of them were newer than what was available in the repositories.] So, out of aggravation, I did a total reformat and clean install from the F20 KDE LiveCD, only to have the same problems with hibernation. I came across a random article in http://ask.fedoraproject.org from a Yahoo! search and came across the suggestion of reinstalling the kernel. As long as you're not trying to reinstall the current one, you can do a fresh kernel install. I did a search on the Fedora buildsystem site for another available version of the kernel. I recently upgraded to 3.15.9-201.fc20.x86_64 by downloading both the kernel and the headers. Then, I just did a sudo yum localinstall kernel kernel-headers from the terminal, not from Apper (or whichever Software Management GUI you're using). Just in case, I rebooted into the new kernel I installed and tried the suspend and hibernate options. Everything worked fine. I haven't tried the current delta kernel -- 3.17.8 -- that's in the repository, but, if you do, I'd suggest doing it from the terminal with the full install as a precaution. Hope this helps, Dexter CS DBA wrote on 1/21/2015 6:31 PM:
Maybe as a short term fix you could go to the power management settings and set the 'event' for closing the lid to 'lock screen' instead of 'sleep' |
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