[Stackless] Stackless for Python 2.5b2 / help required

[Richard Tew]

On 7/20/06, Jeff Senn <senn at maya.com> wrote:
> Richard Tew wrote:
> > I've been working the last few issues out of the Stackless
> > 2.5 port, and there are two things which I would
> > appreciate some help with:
> >
> > 1) Testing it.  Get the latest from the Stackless trunk at
>
> Seems to pass everything on OS-X except for the problems you mention.

Good to hear, thanks for testing this.

> > 2) Helping fix the last remaining bug.  I've been
> > debugging the problem with test_contextlib quite a
>
> Here's what I get:
>
> ...
>
> I haven't had a chance to look in depth (I'm betting it has something to
> do with more than one pending exception being on the stack of generators and
> getting lost in the unwinding -- perhaps the StopIteration or GeneratorExit).

I have a partial fix that gets your reproducibility case to work.
But, the error
it is replaced with is much worse :)

It seems to be related to frame stack corruption, something is getting
left on the frames stack, and being removed and found to be invalid.

I think I'll check in the partial fix and give it a rest for a while.

Thanks,
Richard.

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