seebs@plethora.net said:
>  fd6 constantly yields "resource temporarily unavailable".  When I hit
> return, this apparently stops - but XF86 just starts killing
> everything in sight. 

Since you did a ktrace, can you tell what X read from this descriptor?
Perhaps it got some keyboard data it couldn't digest.
(Is "option WSDISPLAY_COMPAT_RAWKBD" defined in your kernel?)

best regards
Matthias