I have the exact same problem. From log-out menu suspend+hibernate works flawlessly, from kde-guidance hibernate works but suspend does not.
dcop `dcopfind -a 'guidance-*'` power-manager suspend No suspend happens
dcop `dcopfind -a 'guidance-*'` power-manager hibernate Machine hibernates
I have the exact same problem. From log-out menu suspend+hibernate works flawlessly, from kde-guidance hibernate works but suspend does not.
dcop `dcopfind -a 'guidance-*'` power-manager suspend
No suspend happens
dcop `dcopfind -a 'guidance-*'` power-manager hibernate
Machine hibernates