[Tinyos-help] Can Radio Receive become "Stuck" ?

[Philip Levis]

On Aug 17, 2006, at 2:19 PM, Ted Herman wrote:

>
> This is strange, why would some stray bug just hit rxbufptr?  So, I
> tried moving rxbufptr and its fence around, duplicating rxbufptr,
> changing all usages of the idiom "rxbufptr->" to something else,
> and quite a few other strange and desperate hacks.  Yet that bug
> outsmarted me every time, seemingly omniscient about the location
> of rxbufptr (recall, each test cost about half an hour).
> Sometimes I would work in the other direction.  Removing, module
> by module in my application, send and receive operations.  I  
> discovered
> that, at a certain point, the problem would not arise.  However, this
> was not particularly helpful, since running everything just up to the
> actual send() could execute without triggering deafness in the
> application.

If you use the objdump or nm tool, you can see the memory location of  
each variable. This can let you see what variables are close to  
rxbufptr and therefore guess at the cause.

Phil