I have had this problem since yesterday.  I thought it was just me for 
some reason.  When it does work it complains about every single file 
being in the way and checks out the file again.  I am running CVS  v1.11.6.

Steve Bellovin wrote:

> Is anyone else having problems with anoncvs today?  I had trouble 
> earlier in the day (and notified admin@); it seemed to clear up, but 
> it's failing again:
> 
> # cvs -q update -P -d
> ssh_exchange_identification: Connection closed by remote host
> cvs [update aborted]: end of file from server (consult above messages if any)
> # cvs -q update -P -d
> fork failed
> Resource temporarily unavailable
> 
> Not good when I'm trying to see if there's a fixed graphics/png...
> 
> 		--Steve Bellovin, http://www.research.att.com/~smb
>