Problems with openFd and -threaded

So I've just started playing around with STM and -threaded programs and I've run into a bug. The bug is similar to [1] except that the file in question is a Posix FIFO instead of a Bluetooth device. Same behavior: always errors with -threaded, but expected behavior when not -threaded (i.e., blocks until another process opens the other end of the FIFO). GHC version is 6.12.1. In the previous thread Simon confirmed that it's a bug and said he'd fix it, but I didn't see any ticket mentioned. Does anyone know if there's a ticket for it, or when it will be/has been fixed? [1] http://www.haskell.org/pipermail/glasgow-haskell-users/2009-December/018147.... -- Live well, ~wren