Will do.  I might go into work tomorrow and try it out (even though  
I'm supposed to be off...)

Derek

Sent from my iPhone

On Sep 6, 2009, at 6:20 PM, Roy Stogner <royst...@ices.utexas.edu>  
wrote:

>
>
> On Sat, 5 Sep 2009, Derek Gaston wrote:
>
>> Well... I think there is a deeper issue here than just having  
>> _closed not getting set to true.
>
> Yes, there definitely is.  The failing is_closed() assert is not your
> real problem (it's asserting something which is true in essence, even
> if the bool is technically false); that assert is just masking
> whatever the real problem is.
>
>> Like I mentioned, I was investigating because I am getting somewhat
>> random segfaults.  I ended up backing up to a revision just before
>> ghosted vectors were made the default (3444 I believe)... and that
>> completed fixed it.
>
> Don't bet on that being completely fixed.  So far the ghosted vectors
> are batting 1.000 on "revealing bugs in other code" vs "having bugs
> themselves".  In particular, it's possible that an incomplete
> send_list is leading to a situation where a ghosted vector would (in
> opt mode) segfault but a serial vector would just (perhaps very
> slightly!) corrupt your result.  I would strongly recommend you run in
> dbg mode with ghosted vectors on now that that assert is fixed, and
> see if you still get to a segfault or if you get a failed assert in a
> ghost coefficient lookup instead.
> ---
> Roy

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