Re: [ES40-developers] Warning: device structures clobbered

[Camiel V. <iam...@gm...>]

Right, that could be it; I have seen weird unexplainable things on
both Linux and Windows (with Visual C++) that went away after a make
clean or a full rebuild. David, could you try that and let us know?

Camiel.

On Feb 18, 2008 5:17 PM, Brian Wheeler <bdw...@in...> wrote:
> I've seen similar things (like segfaults and random crashes) after
> rebuilding part of the binary if the .h files had changed and other
> files that depended on them didn't get rebuilt.
>
> If you're on unix do a "make clean; make depend" and it shouldn't happen
> after that...
>
> Brian
>
>
> On Mon, 2008-02-18 at 10:14 -0600, Hittner, David T. wrote:
> > I had added a pointer variable to the very beginning of the DEC21143
> > object,
> > and was trying to figure out why I was getting a crash in some queing
> > code that I had added,
> > which was dereferencing the pointer.
> >
> > It turns out that my pointer variable was getting clobbered somewhere
> > during program execution;
> > however, I had no code (other than the device constructor) which
> > modified the variable.
> >
> > When I moved the pointer variable further down into the DEC21143
> > structure, the crashes ceased.
> > I didn't try to debug where the pointer was being overwritten, just the
> > fact that it was being modified.
> >
> > It's possible that the base CPCIDevice stucture is being rewritten, and
> > is overwriting
> > into the derived device structure. I don't know if this has any
> > relevance regarding various
> > pci device errata that we have seen, but I thought I'd let everyone know
> > that this happened.
> >
> > Dave
> >
> >
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