Unless you show us the code, any answers will be guesses in the dark. Does your program use unsafePerformIO unsafely perhaps? Or a version of a library that happens to have a known bug?
On 25/05/2012, at 14:33, Mark Conway Wirt <markcw...@gmail.com> wrote: > I have a piece of Haskell code that's been laying around on my computer > for about a year, and I recently decided to dust it off. > > The problem is that it used to work fine, but in the interim (in which > I both upgraded OS versions/GHC versions and went from 32 bit to 64 bit) > the code stopped working reliably. [...] > > Any guidance/pointers would be very much appreciated. _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
