Comment 21 for bug 159286

I am having a similar problem with my desktop amd64 that also has an nvidia graphics card. The thing for me is that suspend works great one time. If I try it a 2nd time without rebooting, the 2nd time it will not fully power down (my power LED blinks to indicate that standby is active, but my fans - CPU and power supply - continue to run).

Like the poster, using the power button to attempt a resume on this "hung" state does nothing. I have to force a cold boot the hard way (hold power down for 4 secs).

My hibernate/suspend to disk is somewhat similar, it does not power off the machine. Instead the screen cycles odd characters across it on a black terminal window. However, if I turn the computer off at that point manually it will resume fine.

Using hibernate vs. pm-utils doesn't seem to make a difference.

I am running Hardy amd64 with nvidia drivers. I cannot use the nv driver as it doesn't support the DVI output which is my only output I have hooked up.