On Wed, Aug 29, 2012 at 9:20 AM, Matthew Flatt <[email protected]> wrote: > At Mon, 27 Aug 2012 17:36:42 -0400, Sam Tobin-Hochstadt wrote: >> Since I've made the Typed Racket tests run in parallel, there have >> been intermittent errors in DrDr, like this: >> >> http://drdr.racket-lang.org/25278/collects/tests/typed-racket/run.rkt >> >> I'm not sure exactly what could be causing this -- I don't think >> promises should ever fail to `force`. Might there be something I'm >> doing wrong, or is this a bug in promises? > > I've fixed a race in `delay/sync' that I think could cause the error.
Unfortunately, this DrDr build with your fix still has the problem: http://drdr.racket-lang.org/25292/collects/tests/typed-racket/run.rkt I've never been able to reproduce this bug on my machine, though. -- sam th [email protected] _________________________ Racket Developers list: http://lists.racket-lang.org/dev

