I've been trying to get Suspend-to-RAM working with this setup. I know I'd probably have better luck with suspend2, but this is for a mythtv box, so I want as close to "instant-on" as possible. I'm using the Nvidia 8178 drivers from atrpms, plus pm-utils from atrpms. With the default setup from these rpms, the system is completely unresponsive after a resume, and the screen blank - the only way to recover is a hw reset. I found several reports on getting Nvidia suspend working, which suggested disabling any vbetool stuff (post, dpms, save/restore state), and also enabling the NvAGP driver.... So I tried the vbetool stuff first - editing the /etc/pm/functions-nvidia. It was setup to do the following on suspend * dpms suspend * save state And then on resume * post * dpms on * restore state I removed all this, and put in a dpms off on suspend. With this setup, the system resumed fine and was responsive, but locked-up completely after about 20 secs. No messages were written to the system log. Next I tried enabling the NvAGP driver (by adding 'Option "NvAGP" "1"' to xorg.conf, and adding 'agp=off' to the kernel parameters in grub.conf). Strangely, this reverted the results back to the first scenario - blank screen and unresponsive system on resume. Any suggestions on how to go about debugging this? I don't know if its the Nvidia driver thats causing the lock-up after 20 secs, or something else - I saw some comments that the usb drivers have caused lockups on resume in the past. Regards, Ken