Weird error when using VI on FreeBSD-4.x

[Forrest Aldrich]

I'm getting this error from time-to-time when using VI under 
FreeBSD_4.9-prerelease:

Error: input: Resource temporarily unavailable

Basically, VI just exits/crashes (no core dump).

The load average is pretty low:

4:18PM  up 10 days, 23:42, 4 users, load averages: 0.13, 0.21, 0.21

And I don't seem to have any other problems with the system.

Wondering what this might be, or if it's a known problem, etc.


Thanks.

_F