Bug Report: stg_ap_p_ret

[Simon Marlow]

I think you forgot to attach the code!  BTW, we need the source to the
whole program, and instructions for reproducing the problem.  If the
program uses pseudo randomness, then have it output the seed at the
beginning of the run so that we can run it again with the same seed.

Cheers,
	Simon

On 07 December 2004 15:37, oriel maxime wrote:

> Good day.  I'm using GHC 6.2.1, and have had much
> success with it.  However, yesterday I got a strange
> error I've never before seen.
> 
> Mosaic: internal error: stg_ap_p_ret
>     Please report this as a bug to glasgow-haskell-
>         bugs at haskell.org, or
>         http://www.sourceforge.net/projects/ghc/
> 
> I'm running Windows XP Service Pack 1.
> 
> The only obvious thing from the run is that several
> generation 1 garbage collections resulted in a
> substantially smaller allocation than before (99% of
> all space was free over these two collections) and
> something "bad" happened.
> 
> I've included the console data (trace output, the
> -Sstderr output, the parameters used to run the
> program, the OS version at the top...), as well as the
> code for the main module, the .hi file, and the .o
> file (in case these help).
> 
> Neither the main module nor any of its included
> modules use FFI in any capacity.  Use of unsafe IO is
> limited to caching and tracing.
> 
> Note:  the reference to "threads" solved, killed, etc.
> are to an abstraction of a "DeductiveThread" for a
> backtracking algorithm, which is the core logic of
> this program.  No modules in this program use
> Control.Concurrent in any capacity.
> 
> I'd be happy to provide additional details, additional
> source, etc.  I'm going to rerun the program and see
> if the problem reoccurs:  the program does use
> randomness, so it's possible that the problem won't
> appear again.
> 
> The easiest way to contact me is at this email
> address.  I check it regularly during the week, and
> periodically over the weekend.  Please don't hesitate
> to ask if you have any questions, or if there's some
> other way I can help.  I've quite enjoyed the GHC
> product, have written some significantly non-trivial
> programs using it, and would be happy to assist in
> making it a better and more robust tool.
> 
> Thanks, and I look forward to hearing from you...
> 
> oriel
> 
> 
> 
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