I did a self-contained install of the 5.0.0.1 release candidate (using the "racket" installer, so no sources, for debian stable), and when I try to start racket, I get this:
Welcome to Racket v5.0.0.1. /home/vincent/plt-5.0.0.1/collects/racket/match/compiled/compiler_rkt.zo::14765: read (compiled): ill-formed code [../../../racket/gc2/../src/read.c:5116] === context === /home/vincent/plt-5.0.0.1/collects/racket/match/gen-match.rkt: [traversing imports] /home/vincent/plt-5.0.0.1/collects/racket/match/define-forms.rkt: [traversing imports] /home/vincent/plt-5.0.0.1/collects/racket/match/match.rkt: [traversing imports] /home/vincent/plt-5.0.0.1/collects/racket/match.rkt: [traversing imports] /home/vincent/plt-5.0.0.1/collects/racket/main.rkt: [traversing imports] /home/vincent/plt-5.0.0.1/collects/racket/init.rkt: [traversing imports] > (+ 2 2) stdin::0: compile: unbound identifier (and no #%app syntax transformer is bound) at: #%top-interaction in: (#%top-interaction + 2 2) === context === /home/vincent/plt-5.0.0.1/collects/racket/private/misc.rkt:74:7 > If I try to run DrRacket, I get a similar error. Vincent _________________________________________________ For list-related administrative tasks: http://list.cs.brown.edu/mailman/listinfo/plt-dev