First login?
Lost password?
 
 
cellml-tools-developers AT lists.cellml.org 
A list for the developers of CellML tools

Text archives Help


[cellml-dev] Alan Garny's branch


Chronological Thread 
  • From: ak.miller at auckland.ac.nz (Andrew Miller)
  • Subject: [cellml-dev] Alan Garny's branch
  • Date: Thu, 18 Jun 2009 10:45:55 +1200
Alan Garny wrote:
>
> Hi Andrew,
>
> Indeed, if you have time, it would be nice if you could have a look at
> the problem I am currently facing. Basically, I start OpenCell and go
> straight into the COR view. From there, I try to open one or several
> CellML files at once. Sometimes, by opening those files, OpenCell will
> just crash. No warning, no nothing. gdb seems to think that the
> problem is with:
>
Hi Alan,

I haven't been able to reproduce this; it could be that your build has
an out-of-date object file (dependencies between headers and objects are
not automatically generated in OpenCell, so we could be missing some).
Does a clean build experience the same problems?

Best wishes,
Andrew

> nsCOMPtr<mathml_domIMathMLApplyElement> mma(do_QueryInterface(aMathML));
>
> i.e.
> http://cellml-opencell.hg.sourceforge.net/hgweb/cellml-opencell/file/3f243642ff8a/DataCollector/MathMLInputServices.cpp#l760.
>
> At some point, with Justin, we put a static counter to try to
> determine whether the problem was related to a particular equation for
> which we were trying to generate COR-like code, but that didn?t yield
> any useful information: the crash would occur at random places. What
> puzzles me, though, is that there are cases where OpenCell works
> without any problem, so I am really puzzled. I would think that the
> problem is memory-related. Who knows, it might, in fact, related to
> the memory issues reported by Valgrind?...
>
> Alan
>
> *From:* Randall Britten [mailto:r.britten at auckland.ac.nz]
> *Sent:* 17 June 2009 02:21
> *To:* 'Andrew Miller'
> *Cc:* 'Alan Garny'
> *Subject:* Alan Garny's branch
>
> Hi Andrew
>
> Alan is battling a bug that causes crashes sometimes when working with
> the COR text view. He asked if you could have a look, if you have the
> time. Probably best if Alan mails you more detail, but here is a bit
> from his mail to me:
>
> From: Alan Garny [mailto:alan.garny at dpag.ox.ac.uk]
>
> Sent: Tuesday, 16 June 2009 11:25 p.m.
>
> ?
>
> Now, regarding my work on the COR-like view. Apart from the metadata,
> OpenCell can now generate the corresponding COR-like code for a CellML
> file. For the mathematics, I make use of the MathML Input Services,
> but there seems to be a problem with it (at that line according to
> gdb:
> http://cellml-opencell.hg.sourceforge.net/hgweb/cellml-opencell/file/3f243642ff8a/DataCollector/MathMLInputServices.cpp#l760).
>
> Indeed, OpenCell sometimes crashes as a result of opening a CellML
> file within the COR view. Unfortunately, it?s not something that I can
> reproduce every time. Otherwise, Valgrind reports some memory leaks,
> but that?s something I am still investigating.
>
> ?
>



Archive powered by MHonArc 2.6.18.

Top of page