information junky that I am, i set rvplayer running again on friday, and it crashed X another couple of times. The bad way, so that it can't be restarted ("failure in apmsync()" and the blinkies).
This time, I remembered that some had suggested that going to runlevel 3 rather than rebooting might solve things (somehow, when X goes down, it corrupts something badly enough that it has the sync problem when it tries to restart). I tried logging in remotely and using "telint 3" as root, but when I came back to my office, it was still in a fit of the blinkies; xdm had not been killed. Do I need to do something more? (killall -9 xdm first??) And is there a way to force my video card to fully reset itself? My uninformed & ignorant suspicion is that it's something on the card itself that gets reset during boot, but not upon instantiating X . . . --