On Tue, Apr 22, 2008 at 9:50 PM, Greg Holtz <[EMAIL PROTECTED]> wrote:

>  Hello,
> That was a fast response!
>

You're welcome, you just sent your message at the right time :)


>
> I tried compiling with both --disable-optimize and --disable-mmap
> (hints I got from the darcs.net binaries page under Solaris), but it
> doesn't resolve this issue.
>

That's too bad.  It would have been an easy work around.

Is there any way to get more detailed information about the nature
> of the error?
>

You could enable some of the new verbosity options, check 'darcs changes
--help' for more options, but you could try:
darcs changes --debug-verbose

What is your full configure command?  Specifically, I'm wondering if you're
using the old fast packed strings or the new ByteString.  The see a few
things that could each be questionable where the fromJust is failing:
*mmap could be subtly different than on other platforms
*there are several calls to unsafeInterleave functions, but often this is
safe in practice
*either FastPackedStrings or ByteStrings are used here

My understanding from your first email is that you get this behavior even on
darcs' test suite, so it's not a problem with a corrupt repository.

Some people have luck with strace and similar on the darcs binary.  It might
be worth a try, but personally I find the output of strace to be so tedius
to examine that I'm more likely to add more debugging output in the program.

I hope that helps,
Jason
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