[racket-dev] error in gr2

> /Users/matthias/plt/collects/mred/private/wx/common/freeze.rkt:9:0 internal-error
> /Users/matthias/plt/collects/mred/private/wx/common/freeze.rkt:36:0 constrained-reply
> /Users/matthias/plt/collects/mred/private/wx/cocoa/window.rkt:151:2
> /Users/matthias/plt/collects/mred/private/wx/cocoa/utils.rkt:66:0 call-with-autorelease
> /Users/matthias/plt/collects/ffi/unsafe/try-atomic.rkt:24:0 call-as-nonatomic-retry-point
> /Users/matthias/plt/collects/mred/private/wx/cocoa/queue.rkt:313:39
> /Users/matthias/plt/collects/mred/private/wx/common/queue.rkt:361:7
> /Users/matthias/plt/collects/mred/private/wx/common/queue.rkt:398:26
> 
> internal error: wrong eventspace for constrained event handling
> 
> /Users/matthias/plt/collects/mred/private/wx/common/freeze.rkt:9:0 internal-error
> /Users/matthias/plt/collects/mred/private/wx/common/freeze.rkt:36:0 constrained-reply
> /Users/matthias/plt/collects/mred/private/wx/cocoa/window.rkt:148:2
> /Users/matthias/plt/collects/mred/private/wx/cocoa/utils.rkt:66:0 call-with-autorelease
> /Users/matthias/plt/collects/ffi/unsafe/try-atomic.rkt:24:0 call-as-nonatomic-retry-point
> /Users/matthias/plt/collects/mred/private/wx/cocoa/queue.rkt:313:39
> /Users/matthias/plt/collects/mred/private/wx/common/queue.rkt:361:7
> /Users/matthias/plt/collects/mred/private/wx/common/queue.rkt:398:26


I killed an execution with cmd-K. 
I tried to close the window with cmd-W. 
The above shows up in the console. 
It seems repeatable but I don't have time to check it out.