> From: Paul Mather <paul@gromit.dlib.vt.edu>
>
> I just noticed the message "DANGER WILL ROBINSON: FEN SET IN cpu_fork!"
> in my console window.  What does this signify?

It signifies that something that "can't happen" did happen.  I bet it's not
repeatable and you haven't seen it again, right?

>
> I recently started running the XalphaNetBSD Xserver on my DEC 3000/300
> using a TCWSCONS-derived kernel.  I love it, and congratulations to
> everyone who helped finally get the X server working on turbochannel
> alphas!
>
> One question, though: I regularly get "vsms0: input overrun" messages in
> my console window, normally associated with mouse movement during loaded
> conditions.  Does anyone else experience this?  It doesn't affect the
> system in the same way X under the DECstation 5000/25 (pmax, 1.3-era
> kernel) used to have the cursor jump across the screen under load.
> Could the "DANGER WILL ROBINSON" message be related to the vsms0 error?

I doubt it.

>:::
> ...can I
> increase the input buffer in the zsms.c driver file and cut down this
> error?

By all means, bump it up to some bigger power of two; see what happens.

//