Join Date: Mar 2006
Location: Ottawa, Ontario (Rogers)
Could be a defective PVR. I once had a problem with the 8300HD when I was using an IR extender (actually it was an RF to IR device). Long story, but I could sometimes get the PVR into a strange state where it wouldn't react to any commands for many minutes.
Are there any sources of IR nearby that might be confusing the PVR? (a long shot I know).
I would recommend that you get a UPS so that the PVR never loses power (that will solve one cause of reboots).