[racket] racket/place seems to be incompatible with DrRacket

When I run the code below in drracket, the code seems to run indefinitely.
When I hit the stop button the (place-channel-get p) sexp is highlighted 
in pink.

Kevin
On 08/30/2011 08:54 AM, David Mitchell wrote:
>
>     #lang racket
>
>     (define (super-simple)
>       (define p
>         (place ch
>                (place-channel-put ch 5)))
>       (place-channel-get p))
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.racket-lang.org/users/archive/attachments/20110830/fcc509c9/attachment.html>