> > 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. > Just an update on this - I've managed to track down the cause to ide dma. Adding the kernel option ide=nodma prevents the lockup from happening. I'm going to take this over to the fedora-devel list to try and debug the problem further. Ken