Re: [ECOS] Memory Problems Under eCos

[Jonathan Larmour <jlarmour at cygnus dot co dot uk>]

Hugo Tyson wrote:
> 
> Colin Ford <colin.ford@pipinghotnetworks.com> writes:
> 
> > I'm still finding that my GoAhead web server runs out of
> > memory. I've traced it a bit further and found that when
> > a request comes through memory is trying to be freed but
> > the bp->flags have been corrupted and the integrity
> > not valid anymore.
> >
[snip] 
> I know 0.0 about the context here, but when I'm debugging and I see stuff
> like that, what I do is severalfold:
> 
> a) run with asserts enabled if you're not already
> b) make your stacks much bigger - eCos does NOT do stack checking
> c) make your malloc heap much bigger (if that applies to your platform) -
>    a failed malloc returns NULL, which can go undetected.
> [Sorry if this is preaching to the converted...]
> 
> What's a bp-> ?  Is it an eCos data structure or part of GoAhead?

GoAhead

To add some more context, this is something we've seen as well, but we
haven't worked out where it is happening - we'd be grateful if Colin could
tell us if he finds the problem! GoAhead have their own memory allocation
stuff, and don't use eCos malloc. I imagine Gary T has some more state but
I happen to know he's busy right now :).

Jifl
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