Originally Posted by uOpt
Unloading and reloading the kernel module should make it work without a reboot. Still gotta nuke the X11 server, though.
The module unloads without problems if a memory leak did not happen. But it is impossible to unload the module when a memory leak happened...
1. I stop the Xorg, hal, dbus, etc...
2. $ kldunload nvidia
kldunload: can't unload file: Device busy