Description of problem:
After resuming from sleep or hibernation, the screen will freeze after about 2 seconds.  The mouse seems to work, but nothing else is operable.  This happens no matter if the lockscreen is enabled or disabled after resuming from sleep/hibernation.  The only way to resume is to use CTRL+ALT+Backspace and re-login.  This sometimes produces another bug where icons on the bottom KDE panel switch around or disappear (ex: system tray moves from right side to left side / taskbar changes from full to icon-only) and the background will change.

This may or may not be related to the cpupower.service failing to start on bootup.  Here's the output of systemctl status cpupower.service:

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[root@localhost ~]# systemctl status cpupower.service -l
cpupower.service - Configure CPU power related settings
   Loaded: loaded (/usr/lib/systemd/system/cpupower.service; enabled)
   Active: failed (Result: exit-code) since Thu 2014-07-31 14:33:16 EDT; 17min ago
  Process: 805 ExecStart=/usr/bin/cpupower $CPUPOWER_START_OPTS (code=exited, status=237)
 Main PID: 805 (code=exited, status=237)
   CGroup: /system.slice/cpupower.service

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Again, not sure if this is related to the freezing after sleep/hibernation.

How reproducible:
Every time I try to resume from sleep or hibernation.

How to reproduce:
1. Enter sleep or hibernation.
2. Attempt to resume.

Reproducible: 

Steps to Reproduce: