I found out, that in my case its a problem with suspend-hybrid mode. I had a configuration that used kernel suspend-hybrid, if the suspend button was pressed. Suspend to RAM and Suspend to Disk seem to work, only suspend-hybrid leads to a blank screen after resume.
I found out, that in my case its a problem with suspend-hybrid mode. I had a configuration that used kernel suspend-hybrid, if the suspend button was pressed. Suspend to RAM and Suspend to Disk seem to work, only suspend-hybrid leads to a blank screen after resume.