[Glass] callbackMarker not found in Seaside stack

[Otto Behrens]

> In the broken case, it appears that you _are_ in the do loop that calls
> evaluateWithFieldValues: (frame 66). The corresponding frame in the working
> case is frame 54 ...

Ok, can see that

> It looks like the index of do loop is 2, so that implies that the either a)
> the first callback was "corrupt" or b) the second callback was created
> incorrectly ...

I can't tell, will have to dig more

> I would like to be able to see what the stack looked like when the second
> callback was created ... Looking at the method source for the methods
> involved in rendering the component would be a good place to start, since
> there is likely something funky there...

Ok, but that is not simple. There's some ajax involved and yes,
funkiness there. It would be nice if I can show you...