Using hibernate-script's hibernate-ram, xfce4-power-manager-1.2.0 crashes when waking up. I thus think this should be masked. The solution is simple - upgrade to xfce4-power-manager-1.2.0-r1. I'm not sure why that is keyworded, but I've had no issues with it thus far and can recommend it for stable amd64. My use flags: kernel_linux udisks xfce_plugins_brightness -debug -networkmanager -policykit.
*** This bug has been marked as a duplicate of bug 419973 ***