It looks like this is just http://hackage.haskell.org/trac/ghc/ticket/2628 .
I'll submit a patch that marks these as expected failures.
I've also asked on StackOverflow if there's something better we can
do in this case:
http://stackoverflow.com/questions/3648711/detect-nul-file-descriptor-i
At least a few of these (2636 and most of the ghc-e* ones) are
due to the fact that we can't seem to get echo from Hello all,
>
> I'm getting the following validate failures on a fresh checkout
> of Darcs HEAD run on Windows 7:
>
> OVERALL SUMMARY for test run started at The current date is: Sat
Hello all,
I'm getting the following validate failures on a fresh checkout
of Darcs HEAD run on Windows 7:
OVERALL SUMMARY for test run started at The current date is: Sat 09/04/2010
Enter the new date: (mm-dd-yy)
2540 total tests, which gave rise to
10708 test cases, of which
0 c