I'm running a freshly-snarfed kernel and the 0827 snapshot.  X hung 
during some intensive I/O activity, and I can't get the console back
(more precisely, the frame buffer, and maybe the keyboard).  The 
machine is up, and I can log in via ssh.  I killed off X (4.1.0), twm, 
any lingering xterms, etc., but all that's on the screen is a the 
frozen image from the time of the hang.

Update -- I hit RETURN a bunch of times; the screen went blank, the 
slogin didn't answer, and ping no longer elicits a response....  In 
fact, the monitor turned off, as if it were no longer seeing a valid 
sync signal.  I had to power-cycle.

Has anyone else seen this?  (The machine is an Athlon with IDE disk and 
an ASUS motherboard.)

		--Steve Bellovin, http://www.research.att.com/~smb
				  http://www.wilyhacker.com