Today some conditions met on my machine and DrRacket began to crash almost immediately after run. So I reproduced it many times.
The results of last several crashes: * Seg fault (internal error) at 31a3a4c Seg fault (internal error) at 31a3a4c Seg fault (internal error) at 31a3a4c * Seg fault (internal error) at 25863a4c Seg fault (internal error) at 25863a4c Seg fault (internal error) at 25863a4c * Seg fault (internal error) at 29e93a4c Seg fault (internal error) at 29e93a4c Seg fault (internal error) at 29e93a4c * Seg fault (internal error) at 4223a4c Seg fault (internal error) at 4223a4c Seg fault (internal error) at 4223a4c * Seg fault (internal error) at 1c55392ac Seg fault (internal error) at 1c55392ac Seg fault (internal error) at 1c55392ac * Seg fault (internal error) at 256b41fc Seg fault (internal error) at 256b41fc Seg fault (internal error) at 256b41fc Racket version: (32 bit x86) 6.1.0.2--2014-07-14(c7dd72a/a) OS: Windows 7 Prof 64 bit I also decided to try current snapshot 6.1.0.3--2014-07-30(f3a8883/a). The crashes are repeated: * Seg fault (internal error) at 2b9c3a4c Seg fault (internal error) at 2b9c3a4c Seg fault (internal error) at 2b9c3a4c * Seg fault (internal error) at 28b53a4c Seg fault (internal error) at 28b53a4c Seg fault (internal error) at 28b53a4c _________________________ Racket Developers list: http://lists.racket-lang.org/dev